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HP 6600/HSR6600 Routers
Part number: 5998-1498
Software version: A6602-CMW520-R3103
A6600-CMW520-R3102-RPE
A6600-CMW520-R3102-RSE
HSR6602_MCP-CMW520-R3102
Document version: 6PW103-20130628

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   Summary of Contents for HP 6600

  • Page 1: Command Reference

    HP 6600/HSR6600 Routers Interface Command Reference Part number: 5998-1498 Software version: A6602-CMW520-R3103 A6600-CMW520-R3102-RPE A6600-CMW520-R3102-RSE HSR6602_MCP-CMW520-R3102 Document version: 6PW103-20130628...

  • Page 2

    The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an...

  • Page 3: Table Of Contents

    Contents Ethernet interface configuration commands ··············································································································· 1   General Ethernet interface and subinterface configuration commands ······································································ 1   bandwidth ································································································································································· 1   combo enable ··························································································································································· 1   default ········································································································································································ 2   description ································································································································································· 3   display counters ························································································································································ 4   display counters rate ················································································································································...

  • Page 4: Table Of Contents

    virtual-cable-test ····················································································································································· 50   Layer 3 Ethernet interface and subinterface configuration commands ···································································· 51   mtu ·········································································································································································· 51   promiscuous ··························································································································································· 53   ATM interface configuration commands ·················································································································· 54   Common ATM interface configuration commands ····································································································· 54   bandwidth ······························································································································································ 54  ...

  • Page 5: Table Of Contents

    Alarm ······································································································································································ 87   cable (CE1 interface) ············································································································································ 88   channel-set (CE1 interface) ··································································································································· 88   clock (CE1 interface) ············································································································································· 89   clock-change auto ················································································································································· 90   code (CE1 interface) ············································································································································· 91   controller e1 ··························································································································································· 91   crc ··········································································································································································· 92  ...

  • Page 6: Table Of Contents

    fe1 itf ····································································································································································· 127   fe1 loopback ························································································································································ 128   fe1 timeslot-list ······················································································································································ 129   fe1 unframed ······················································································································································· 130   T1-F interface configuration commands ····················································································································· 130   crc ········································································································································································· 130   display ft1 ···························································································································································· 131   error-diffusion restraint config ···························································································································· 134  ...

  • Page 7: Table Of Contents

    mdl (CT3 interface) ·············································································································································· 174   reset counters controller t3 ································································································································· 176   t1 alarm ································································································································································ 176   t1 bert ··································································································································································· 177   t1 channel-set ······················································································································································· 178   t1 sendloopcode ·················································································································································· 179   t1 set clock ··························································································································································· 180   t1 set fdl ································································································································································ 181  ...

  • Page 8: Table Of Contents

    e3 set clock ·························································································································································· 222   e3 set loopback ··················································································································································· 222   e3 set national-bit ················································································································································ 223   e3 shutdown ························································································································································ 224   fe3 ········································································································································································· 224   flag ········································································································································································ 226   flag vc-3 ································································································································································ 227   flag vc-4 ································································································································································ 228  ...

  • Page 9: Table Of Contents

    ······················································································································ 269   reset counters interface null ································································································································ 269   shutdown ······························································································································································ 270   Support and other resources ·································································································································· 271   Contacting HP ······························································································································································ 271   Subscription service ············································································································································ 271   Related information ······················································································································································ 271   Documents ···························································································································································· 271  ...

  • Page 10: Ethernet Interface Configuration Commands

    Ethernet interface configuration commands General Ethernet interface and subinterface configuration commands bandwidth Use bandwidth to set the intended bandwidth for an Ethernet interface. Use undo bandwidth to cancel the configuration. Syntax bandwidth bandwidth-value undo bandwidth Views Ethernet interface view Default command level 2: System level Parameters bandwidth-value: Sets the intended bandwidth, in the range of 1 to 4,294,967,295 kbps.

  • Page 11: Default

    Views Ethernet interface view (combo interface) Default command level 2: System level Parameters copper: Activates the copper(electrical) combo port. fiber: Activates the fiber (optical) combo port. Usage guidelines Combo interfaces are logical interfaces. A combo interface comprises one fiber combo port and one copper combo port.

  • Page 12: Description

    Examples # Restore the default settings for interface GigabitEthernet 4/0/1. <Sysname> system-view [Sysname] interface GigabitEthernet 4/0/1 [Sysname-GigabitEthernet4/0/1] default This command will restore the default settings. Continue? [Y/N]:y # Restore the default settings for subinterface GigabitEthernet 4/0/1.1. <Sysname> system-view [Sysname] interface GigabitEthernet 4/0/1.1 [Sysname-GigabitEthernet4/0/1.1] default This command will restore the default settings.

  • Page 13: Display Counters

    Examples # Change the description of interface GigabitEthernet 4/0/1 to lanswitch-interface. <Sysname> system-view [Sysname] interface gigabitethernet 4/0/1 [Sysname-GigabitEthernet4/0/1] description lanswitch-interface # Change the description of Ethernet subinterface GigabitEthernet 4/0/1.1 to l2-subinterface4/0/1.1. <Sysname> system-view [Sysname] interface gigabitethernet 4/0/1.1 [Sysname-GigabitEthernet4/0/1.1] description l3-subinterface4/0/1.1 Related commands display interface display counters...

  • Page 14: Display Counters Rate

    Interface Total(pkts) Broadcast(pkts) Multicast(pkts) Err(pkts) GE1/1 GE1/2 GE1/3 Overflow Overflow Overflow Overflow GE1/4 Overflow: more than 14 decimal digits(7 digits for column "Err"). --: not supported. Table 1 Command output Field Description Interface Abbreviated interface name. Total (pkts) Total number of packets received or sent through the interface. Total number of broadcast packets received or sent through the interface.

  • Page 15: Display Interface

    exclude: Displays all lines that do not match the specified regular expression. include: Displays all lines that match the specified regular expression. regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters. Usage guidelines The statistics cover only interfaces in up state. If an interface type is specified, the command displays traffic rate statistics for all up interfaces of the specified type.

  • Page 16

    Syntax display interface [ interface-type ] [ brief [ down ] ] [ | { begin | exclude | include } regular-expression ] display interface interface-type { interface-number | interface-number.subnumber } [ brief ] [ | { begin | exclude | include } regular-expression ] Views Any view Default command level...

  • Page 17

    Output queue : (Urgent queuing : Size/Length/Discards) 0/100/0 Output queue : (Protocol queuing : Size/Length/Discards) 0/500/0 Output queue : (FIFO queuing : Size/Length/Discards) 0/75/0 Last clearing of counters: Never Last 300 seconds input rate 0.00 bytes/sec, 0 bits/sec, 0.00 packets/sec Last 300 seconds output rate 0.00 bytes/sec, 0 bits/sec, 0.00 packets/sec Input: 1 packets, 60 bytes, 1 buffers 1 broadcasts, 0 multicasts, 0 pauses...

  • Page 18

    Field Description promiscuous mode not set The interface is operating in non-promiscuous mode. Output queue (current message number in the urgent queue, maximum Output queue (Urgent queue: number of messages allowed in the urgent queue, and number of discarded Size/Length/Discards) messages).

  • Page 19

    Table 4 Command output Field Description State of the Ethernet subinterface: • DOWN ( Administratively )—The Ethernet subinterface was shut down with the shutdown command. The interface is administratively down. • DOWN ( Link-Aggregation interface down )—The Ethernet subinterface is physically down because the aggregate interface GigabitEthernet 4/0/0.1 current corresponding to the aggregation group to which the subinterface state...

  • Page 20

    Link speed type is autonegotiation, link duplex type is autonegotiation Flow-control is not enabled The Maximum Frame Length is 1536 Broadcast MAX-ratio: 100% Unicast MAX-ratio: 100% Multicast MAX-ratio: 100% Allow jumbo frame to pass PVID: 999 Mdi type: auto Port link-type: access Tagged VLAN ID : none Untagged VLAN ID : 999...

  • Page 21

    Field Description link duplex type is autonegotiation The interface will negotiate a duplex mode with its peer. The Maximum Frame Length Maximum Ethernet frame length allowed on the interface. Broadcast suppression threshold as a percentage of the maximum Broadcast MAX-ratio interface rate.

  • Page 22

    Field Description Inbound frames larger than the maximum frame length supported on the interface. • For an Ethernet interface that does not permit jumbo frames, giants refer to frames larger than 1536 bytes (without VLAN tags) or 1540 giants bytes (with VLAN tags). •...

  • Page 23

    Field Description Number of packets dropped because the output rate of the interface - underruns exceeded the output queuing capability. This is a low-probability hardware anomaly. Number of packets dropped because the transmit buffer of the - buffer failures interface ran low. Number of packets that failed to be transmitted, for example, because aborts of Ethernet collisions.

  • Page 24

    Interface Link Protocol Main IP Description Interface Link Protocol Main IP Description Atm5/1/0 DOWN DOWN GE4/0/0 DOWN DOWN GE4/0/2 DOWN DOWN GE4/0/3 DOWN DOWN GE4/0/4 DOWN DOWN The brief information of interface(s) under bridge mode: Link: ADM - administratively down; Stby - standby Speed or Duplex: (a)/A - auto;...

  • Page 25

    Atm5/1/0 DOWN DOWN NULL0 UP(s) Pos5/2/0 DOWN DOWN Tun0 DOWN DOWN Tun10 DOWN DOWN Tun11 DOWN DOWN Tun12 DOWN DOWN Tun111 DOWN DOWN Tun1231 DOWN DOWN # Display information about interfaces in the down state and the relevant causes. <Sysname> display interface brief down The brief information of interface(s) under bridge mode: Link: ADM - administratively down;...

  • Page 26

    Field Description The brief information of interface(s) under bridge Brief information about Layer 2 interfaces. mode: If the speed of an interface is automatically negotiated, its speed attribute includes the auto negotiation flag, letter a in parentheses. If the duplex mode of an interface is automatically negotiated, its duplex mode Speed or Duplex: (a)/A - attribute includes the following options: auto;...

  • Page 27: Display Packet-drop Interface

    Related commands interface display packet-drop interface Use display packet-drop interface to display information about packets dropped on an interface or multiple interfaces. Syntax display packet-drop interface [ interface-type [ interface-number ] ] [ | { begin | exclude | include } regular-expression ] Views Any view...

  • Page 28: Display Packet-drop Summary

    Packets dropped by transmit egress aging: 246 Table 9 Command output Field Description Packets dropped by GBP full or insufficient Packets that are dropped because of insufficient buffer or bandwidth bandwidth.. Packets dropped by FFP Packets that are filtered out. Packets that are dropped because STP is in the Packets dropped by STP non-forwarding state non-forwarding state.

  • Page 29: Duplex

    Packets dropped by STP non-forwarding state: 321 Packets dropped by Rate-limit: 143 Packets dropped by broadcast-suppression: 301 Packets dropped by unicast-suppression: 215 Packets dropped by multicast-suppression: 241 Packets dropped by transmit egress aging: 246 For the description of some fields in the output, see Table duplex Use duplex to set the duplex mode for an Ethernet interface.

  • Page 30: Flow-interval

    Default The value of J0 and J1 bytes is all 0s. Views Ten-GigabitEthernet interface view Default command level 2: System level Parameters j0: Sets the regenerator section trace byte. j1: Sets the path trace byte. value: Specifies the value for the J0 or J1 byte, a string of 1 to 15 characters. Usage guidelines This command is configurable only when the 10-GE interface is operating in WAN mode.

  • Page 31: Interface

    Usage guidelines A device supports the global configuration mode. In system view, use the flow-interval command to set the statistics polling interval for all interfaces. Examples # Set the statistics polling interval to 100 seconds for all Ethernet interfaces. <Sysname> system-view [Sysname] flow-interval 100 interface Use interface to enter interface or subinterface view.

  • Page 32: Link-delay

    link-delay Use link-delay to set the physical state change suppression interval on an Ethernet interface. In case of an up or down event, the interface comes up or goes down after the physical state change suppression interval. Use undo link-delay to restore the default. Syntax link-delay delay-time undo link-delay...

  • Page 33: Port Link-mode

    Default command level 2: System level Parameters external: Enables external loopback testing for all on-chip functions related to Ethernet interfaces. internal: Enables internal loopback testing for the hardware of Ethernet interfaces. Usage guidelines Enable loopback testing for troubleshooting purposes, such as identifying an Ethernet problem. You cannot perform internal or external loopback testing on an administratively down (ADM DOWN) port.

  • Page 34: Port Link-mode Interface-list

    After you change the link mode of an Ethernet interface, all settings are restored to their default values in the new link mode. Examples # Configure GigabitEthernet 4/0/1 to operate in bridge mode. <Sysname> system-view [Sysname] interface gigabitethernet 4/0/1 [Sysname-GigabitEthernet4/0/1] display this interface GigabitEthernet4/0/1 port link-mode route Return...

  • Page 35: Port-mode

    Usage guidelines Depending on the hardware structure of interface cards, some interfaces can operate only as Layer 2 Ethernet interfaces (in bridge mode), some can operate only as Layer 3 Ethernet interfaces (in route mode), and others can operate as either Layer 2 or Layer 3 Ethernet interfaces (you can set the link mode to bridge or route).

  • Page 36: Reset Counters Interface

    <Sysname> system-view [Sysname] interface ten-gigabitethernet 1/0/1 [Sysname-Ten-GigabitEthernet1/0/1] port-mode wan reset counters interface Use reset counters interface to clear the Ethernet interface or subinterface statistics. Syntax reset counters interface [ interface-type [ interface-number | interface-number.subnumber ] ] Views User view Default command level 2: System level Parameters interface-type: Specifies an interface type.

  • Page 37: Shutdown

    Default command level 2: System level Parameters interface-type: Specify an interface type. interface-number: Specify an interface number. Usage guidelines Clear old statistics for the interface or interfaces before collecting new dropped packet statistics. If you do not specify an interface type, this command clears dropped packet statistics for all interfaces on the device.

  • Page 38: Speed

    [Sysname-GigabitEthernet4/0/1] undo shutdown # Shut down and then bring up GigabitEthernet 4/0/1.1. <Sysname> system-view [Sysname] interface gigabitethernet 4/0/1.1 [Sysname-GigabitEthernet4/0/1.1] shutdown [Sysname-GigabitEthernet4/0/1.1] undo shutdown # Shut down all member ports in the port group named group1. <Sysname> system-view [Sysname] port-group manual group1 [Sysname-port-group-manual-group1] group-member gigabitethernet 4/0/1 [Sysname-port-group-manual-group1] group-member gigabitethernet 4/0/1 [Sysname-port-group-manual-group1] shutdown...

  • Page 39: Sub-interface Rate-statistic

    sub-interface rate-statistic Use sub-interface rate-statistic to enable rate statistics collection for the subinterfaces of an Ethernet interface. Use undo sub-interface rate-statistic to disable rate statistics collection for the subinterfaces of an Ethernet interface. Syntax sub-interface rate-statistic undo sub-interface rate-statistic Default The system does not collect rate statistics for Ethernet subinterfaces.

  • Page 40

    Views Layer 2 Ethernet interface view, port group view Default command level 2: System level Parameters ratio: Sets the broadcast suppression threshold as a percentage of the maximum interface rate. The smaller the percentage, the less broadcast traffic is allowed to be received. This argument is in the range of 1 to 100.

  • Page 41: Display Loopback-detection

    display loopback-detection Use display loopback-detection to display the status of the loopback detection function. Syntax display loopback-detection [ | { begin | exclude | include } regular-expression ] Views Any view Default command level 1: Monitor level Parameters |: Filters command output by specifying a regular expression. For more information about regular expressions, see Fundamentals Configuration Guide.

  • Page 42

    Syntax display port-group manual [ all | name port-group-name ] [ | { begin | exclude | include } regular-expression ] Views Any view Default command level 2: System level Parameters all: Displays information about all port groups. name port-group-name: Specifies the name of a port group, a string of 1 to 32 characters. |: Filters command output by specifying a regular expression.

  • Page 43: Display Storm-constrain

    display storm-constrain Use display storm-constrain to display storm control settings and statistics. Syntax display storm-constrain [ broadcast | multicast | unicast ] [ interface interface-type interface-number ] [ | { begin | exclude | include } regular-expression ] Views Any view Default command level 1: Monitor level Parameters...

  • Page 44

    Field Description Type of traffic subjected to storm control. Options include broadcast, multicast Type and unknown unicast. LowerLimit Lower storm control threshold, in pps, kbps, or percentage. UpperLimit Upper storm control threshold, in pps, kbps, or percentage. Protective action (block or shutdown) to take on the port when the upper CtrMode threshold is reached.

  • Page 45: Group-member

    Examples # Set the statistics polling interval to 100 seconds for all interfaces. <Sysname> system-view [Sysname] flow-interval 100 group-member Use group-member to assign Ethernet interfaces to a port group. Use undo group-member to remove Ethernet interfaces from the port group. Syntax group-member interface-list undo group-member interface-list...

  • Page 46: Loopback-detection Action

    undo jumboframe enable Default The device allows jumbo frames within a specified length to pass through Layer 2 Ethernet interfaces. Views Layer 2 Ethernet interface view, port group view Default command level 2: System level Parameters value: Sets the maximum length of Ethernet frames that are allowed to pass through, in the range of 1536 to 9126.

  • Page 47: Loopback-detection Control Enable

    Parameters no-learning: Disables MAC address learning on the interface. semi-block: Blocks all packets but STP BPDUs. shutdown: Shuts down the Ethernet interface. To bring up the interface again, use the undo shutdown command. Usage guidelines When you change the link type of an Ethernet interface with the port link-type command, the device removes the protective action configured on the interface.

  • Page 48: Loopback-detection Enable

    Usage guidelines When a hybrid or trunk port detects a loop condition, it sends traps, whether loopback detection control is enabled or not. However, the port performs the protective action that you configure with the loopback-detection action command only after loopback detection control is enabled. This command is not applicable to access ports.

  • Page 49: Loopback-detection Interval-time

    Table 12 Actions to take upon detection of a loop condition Actions Port type No protective action is configured A protective action is configured • Place the interface in controlled mode. The • Perform the configured protective interface discards all incoming packets, but action.

  • Page 50: Loopback-detection Multi-port-mode Enable

    Examples # Set the loopback detection interval to 10 seconds. <Sysname> system-view [Sysname] loopback-detection interval-time 10 Related commands display loopback-detection loopback-detection multi-port-mode enable Use loopback-detection multi-port-mode enable to enable multi-port loopback detection. Use undo loopback-detection multi-port-mode enable to restore the default. Syntax loopback-detection multi-port-mode enable undo loopback-detection multi-port-mode enable...

  • Page 51: Loopback-detection Per-vlan Enable

    loopback-detection per-vlan enable Use loopback-detection per-vlan enable to enable loopback detection in each VLAN on trunk or hybrid ports. Use undo loopback-detection per-vlan enable to disable loopback detection in all VLANs but the PVID on trunk or hybrid ports. Syntax loopback-detection per-vlan enable undo loopback-detection per-vlan enable Default...

  • Page 52: Multicast-suppression

    Views Layer 2 Ethernet interface view Default command level 2: System level Parameters across: Sets the MDI mode to across. In this mode, pins 1 and 2 are receive pins, and pins 3 and 6 are transmit pins. auto: Sets the MDI mode to auto. In this mode, the port negotiates pin roles with its peer. normal: Sets the MDI mode to normal.

  • Page 53: Port-group Manual

    actual multicast suppression threshold value on an Ethernet interface, use the display interface command. When the pps or kbps keyword is not specified, or the suppression granularity is set to 1, the value • of the pps or kbps keyword must be no smaller than 1, and the multicast suppression threshold value is the one that actually takes effect on the Ethernet interface.

  • Page 54: Speed Auto

    Examples # Create port group group1. <Sysname> system-view [Sysname] port-group manual group1 [Sysname-port-group-manual-group1] speed auto Use speed auto to set options for speed auto negotiation. Syntax speed auto { 10 | 100 | 1000 } * undo speed Default The Ethernet interface speed is automatically negotiated. Views 100-Mbps or Gigabit Layer 2 Ethernet interface view Default command level...

  • Page 55

    (unicast-suppression, multicast-suppression, broadcast-suppression) on a port. An upper threshold must be greater than or equal to the corresponding lower threshold. HP recommends not configuring the same value for the two thresholds. Examples # Enable unknown unicast storm control on GigabitEthernet 4/0/1, setting the upper and lower thresholds to 200 pps and 150 pps.

  • Page 56: Storm-constrain Control

    [Sysname-GigabitEthernet4/0/3] storm-constrain multicast ratio 80 15 storm-constrain control Use storm-constrain control to specify what protective action to take on an Ethernet interface when a type of traffic (unknown unicast, multicast, or broadcast) exceeds the upper storm control threshold. Use undo storm-constrain control to restore the default. Syntax storm-constrain control { block | shutdown } undo storm-constrain control...

  • Page 57: Storm-constrain Enable Trap

    Default A storm control-enabled port sends log messages when monitored traffic exceeds its upper threshold or falls below its lower threshold from the upper threshold. Views Layer 2 Ethernet interface view Default command level 2: System level Examples # Disable GigabitEthernet 4/0/1 from sending out log messages upon detecting storm control threshold events.

  • Page 58: Unicast-suppression

    Syntax storm-constrain interval seconds undo storm-constrain interval Default The storm control module polls traffic statistics every 10 seconds. Views System view Default command level 2: System level Parameters seconds: Sets the traffic polling interval of the storm control module, in the range of 1 to 300 seconds. Usage guidelines For network stability, use the default or a higher polling interval.

  • Page 59: Virtual-cable-test

    pps max-pps: Specifies the maximum number of unknown unicast packets that the Ethernet interface can receive per second. The max-pps argument is in the range of 1 to 1488100 pps. kbps max-kbps: Specifies the maximum number of kilobits of unknown unicast traffic that the Ethernet interface can receive per second.

  • Page 60: Layer 3 Ethernet Interface And Subinterface Configuration Commands

    Usage guidelines The following cable states are available: Normal—The cable is in good condition. • • Abnormal—Any fault other than a short or open circuit is detected. Abnormal (open)—An open circuit is detected. • Abnormal (short)—A short circuit is detected. •...

  • Page 61

    Syntax mtu size undo mtu Default The MTU of an Ethernet interface or subinterface is 1500 bytes. Views Layer 3 Ethernet interface view, Layer 3 Ethernet subinterface view Default command level 2: System level Parameters size: Sets the maximum transmission unit (MTU) in the range of 46 to 2000 bytes. The MTU is in the range of 46 to 9600 bytes for Layer 3 Ethernet interfaces on FIP-600, MCP-X1/MCP-X2, and HSR6602.

  • Page 62: Promiscuous

    Examples # Set the MTU to 1430 bytes for the Layer 3 Ethernet interface GigabitEthernet 4/0/5. <Sysname> system-view [Sysname] interface gigabitethernet 4/0/5 [Sysname-GigabitEthernet4/0/5] mtu 1430 # Set the MTU to 1400 bytes for the Layer 3 Ethernet subinterface GigabitEthernet 4/0/5.1. <Sysname>...

  • Page 63: Atm Interface Configuration Commands

    ATM interface configuration commands Common ATM interface configuration commands bandwidth Use bandwidth to set the intended bandwidth for an interface. Use undo bandwidth to restore the default. Syntax bandwidth bandwidth-value undo bandwidth Views ATM E1 interface view, ATM T1 interface view, ATM OC-3c interface view, ATM STM- 1 interface view Default command level 2: System level Parameters...

  • Page 64

    Default command level 2: System level Usage guidelines CAUTION: The default command might interrupt ongoing network services. Make sure you are fully aware of the impacts of this command when you perform it on a live network. This command might fail to restore the default settings for some commands for reasons such as command dependencies and system restrictions.

  • Page 65: Display Interface Atm

    <Sysname> system-view [Sysname] interface atm 3/1/0 [Sysname-Atm3/1/0] description atmswitch-interface display interface atm Use display interface atm to display information about an ATM interface. Syntax display interface [ atm ] [ brief [ down ] ] [ | { begin | exclude | include } regular-expression ] display interface atm interface-number [ brief ] [ | { begin | exclude | include } regular-expression ] Views Any view...

  • Page 66

    Current VCs: 0 (0 on main interface) ATM over E1, Scramble enabled, frame-format crc4-adm code hdb3, clock slave,Cable-length long, loopback not set Cable type: 75 ohm non-balanced Line Alarm: LOS LOF Line Error: 0 FERR, 0 LCV, 0 CERR, 0 FEBE Last 0 seconds input rate 0.00 bytes/sec, 0.00 packets/sec Last 0 seconds output rate 0.00 bytes/sec, 0.00 packets/sec...

  • Page 67: Interface Atm

    Field Description Line Error: 0 FERR, 0 LCV, 0 A line error occurs. CERR, 0 FEBE The brief information of Brief information about Layer 3 interfaces. interface(s) under route mode Link status: • ADM—The interface has been administratively shut down. To recover its Link: ADM - administratively physical state, perform the undo shutdown command.

  • Page 68: Reset Atm Interface

    <Sysname> system-view [Sysname] interface atm 5/1/0 [Sysname-Atm5/1/0] reset atm interface Use reset atm interface to clear the statistics on the PVCs created on an ATM interface or all the ATM interfaces. Syntax reset atm interface [ atm [ interface-number ] ] Views User view Default command level...

  • Page 69

    If you do not specify the atm keyword, this command clears the statistics of all interfaces. If you specify atm but not interface-number, this command clears the statistics of the PVCs of all ATM interfaces. If you specify both atm and interface-number, this command clears the statistics of the PVCs of the specified ATM interface.

  • Page 70: Clock

    undo cable Default Long haul mode applies, allowing of cable length mode adaptation. The long haul mode is adopted first. If the cable is of short haul mode, the system switches to the short haul mode automatically. Views ATM E1/T1 interface view Default command level 2: System level Parameters...

  • Page 71: Clock-change Auto

    Usage guidelines When ATM E1/T1 interfaces are operating as DCEs, set the clock mode to master. When interfaces are operating as DTEs, set the clock mode to slave. When the ATM interfaces on two routers are connected directly through a fiber-optic cable, set the clock mode to master at one end and to slave at the other end.

  • Page 72: Frame-format

    Use undo code to restore the default line coding format. Syntax In ATM E1 interface view: code { ami | hdb3 } In ATM T1 interface view: code { ami | b8zs } undo code Default The line coding format of an ATM E1 interface is HDB3, and that of an ATM T1 interface is B8ZS. Views ATM E1 interface view, ATM T1 interface view Default command level...

  • Page 73: Loopback

    Default The framing format is CRC4 ADM for ATM E1 interfaces and ESF ADM for ATM T1 interfaces. Views ATM E1 interface view, ATM T1 interface view Default command level 2: System level Parameters crc4-adm: Sets the ATM over E1 framing format to 4-bit cyclic redundancy check ATM direct mapping (CRC4 ADM).

  • Page 74: Scramble

    remote: Enables external line loopback testing (to check whether the remote end is working properly). Examples # Enable external payload loopback testing on ATM E1/T1 interface 5/1/0. <Sysname> system-view [Sysname] interface atm 5/1/0 [Sysname-Atm5/1/0] loopback payload scramble Use scramble to enable payload scrambling on the ATM E1/T1 interface. This, however, does not affect cell headers.

  • Page 75

    Syntax clock { master | slave } undo clock Default The clock mode is slave. Views ATM OC-3c interface view, ATM STM- 1 interface view Default command level 2: System level Parameters master: Sets the clock mode as master. slave: Sets the clock mode as slave. Usage guidelines When the ATM interface is operating as DCE, set its clock mode to master.

  • Page 76

    sonet: Sets the framing format to SONET OC-3, the optical carrier level three (OC-3) of synchronous optical network (SONET). Examples # Set the framing format to SDH STM- 1 on an ATM OC-3c/STM- 1 interface. <Sysname> system-view [Sysname] interface atm 5/1/0 [Sysname-Atm5/1/0] frame-format sdh loopback Use loopback to configure the loopback mode on the ATM OC-3c/STM- 1 interface.

  • Page 77

    undo scramble Default Payload scrambling is enabled on the ATM OC-3c/STM- 1 interface. Views ATM OC-3c interface view, STM- 1 interface view Default command level 2: System level Usage guidelines With payload scrambling enabled, the interface performs payload scrambling when transmitting data, and payload descrambling when receiving data.

  • Page 78: Wan Interface Configuration Commands

    WAN interface configuration commands Common WAN interface configuration commands bandwidth Use bandwidth to set the intended bandwidth for the interface. Use undo bandwidth to restore the default. Syntax bandwidth bandwidth-value undo bandwidth Views Serial interface view, E1-F interface view, T1-F interface view, CE3 interface view, CT3 interface view, CE1 interface view, CT1 interface view Default command level 2: System level...

  • Page 79

    Default command level 2: System level Usage guidelines CAUTION: The default command might interrupt ongoing network services. Make sure you are fully aware of the impacts of this command when you perform it on a live network. This command might fail to restore the default settings for some commands for reasons such as command dependencies and system restrictions.

  • Page 80

    Examples # Set the description for serial interface Serial 1/2/0 to router-interface. <Sysname> system-view [Sysname] interface serial 1/2/0 [Sysname-Serial1/2/0] description router-interface link-delay Use link-delay to set the physical state change suppression time on an interface. Use undo link-delay to restore the default. Syntax link-delay delay-time undo link-delay...

  • Page 81: Serial Interface Configuration Commands

    Default command level 2: System level Usage guidelines When you modify parameters on a WAN interface, execute the shutdown command, and then the undo shutdown command to make your modifications take effect. Examples # Shut down serial interface Serial 1/2/0. <Sysname>...

  • Page 82

    The baud rate adopted by a DCE-DTE pair is determined by the DCE. Examples # Set the baud rate of synchronous serial interface 2/0/0 at DCE side to 1 15200 bps. <Sysname> system-view [Sysname] interface serial 2/0/0 [Sysname-Serial2/0/0] baudrate 115200 clock Use clock to set clock selection mode for the synchronous serial interface.

  • Page 83: Code

    either the transmitting or receiving clock of the DCE device, so is the transmitting clock. Therefore, five clock options are available for a DTE device. Figure 1 Select a clock for a synchronous serial interface In the figure, "TxClk" represents transmitting clock, and "RxClk" represents receiving clock. Table 14 describe the four clock selection options for a synchronous serial interface working as DTE and DCE, respectively.

  • Page 84

    undo code Default The digital signal coding format t is NRZ. Views Synchronous serial interface view Default command level 2: System level Parameters nrz: Sets the digital signal coding format to nonreturn to zero (NRZ). nrzi: Sets the digital signal coding format to nonreturn to zero inverted (NRZI). Examples # Set the digital signal coding format to NRZI on synchronous serial interface 2/0/0.

  • Page 85: Detect

    detect Use detect to enable data carrier detection and level detection on the serial interface. Use undo detect to disable data carrier detection and level detection on the serial interface. Syntax detect { dcd | dsr-dtr } undo detect { dcd | dsr-dtr } Default Data carrier and level detection is enabled on serial interfaces.

  • Page 86

    Parameters interface-number: Displays information about a specified serial interface. brief: Displays brief interface information. If you do not specify this keyword, the command displays detailed interface information. down: Displays information about interfaces in the DOWN state and the causes. If you do not specify this keyword, this command displays information about interfaces in all states.

  • Page 87

    # Display brief information about serial interface Serial 1/0/1. <Sysname> display interface serial 1/0/1 brief The brief information of interface(s) under route mode: Link: ADM - administratively down; Stby - standby Protocol: (s) - spoofing Interface Link Protocol Main IP Description S1/0/1 9.9.9.6/24...

  • Page 88

    Field Description FIFO queuing specifies the current number of packets in the Output queue : (FIFO queuing : first-in first-out (FIFO) queue, maximum number of packets that Size/Length/Discards) 0/75/0 can stay in the queue, and number of dropped packets. Physical layer is synchronous, Baudrate is Physical layer status and bandwidth of the serial interface.

  • Page 89: Idle-mark

    Field Description Link status: • ADM—The interface has been administratively shut down. To recover its physical state, perform the undo shutdown Link: ADM - administratively down; Stby - command. standby • Stby—The interface is operating as a backup interface. To see the primary interface, use the display standby state command in High Availability Command Reference.

  • Page 90: Invert Receive-clock

    Usage guidelines In most cases, a synchronous serial interface uses 0x7E to identify the idle state of the line. You may need to set the line idle code to 0xFF however to interoperate with devices that use 0xFF (high level of all ones) as line idle code.

  • Page 91

    Syntax invert transmit-clock undo invert transmit-clock Default Transmit-clock signal inversion is disabled on DTE-side synchronous serial interfaces. Views Serial interface view Default command level 2: System level Usage guidelines Sometimes, you may need to invert the receive-clock signal on a DTE-side serial interface to eliminate the half clock-period delay on the line.

  • Page 92

    <Sysname> system-view [Sysname] interface serial 1/2/0 [Sysname-Serial1/2/0] itf number 5 loopback Use loopback to enable loopback on the serial interface. Use undo loopback to restore the default. Syntax loopback undo loopback Default Loopback is disabled. Views Serial interface view Default command level 2: System level Usage guidelines Loopback is intended for test use.

  • Page 93

    Parameters size: Maximum transmission unit (MTU) in bytes, in the range of 128 to 2000 bytes. Usage guidelines Due to the length of QoS queue, a packet may be discarded if the MTU is relatively small and the packet is segmented into too many fragments. To avoid this situation, you can increase the QoS queue length by using the qos fifo queue-length command in interface view.

  • Page 94: Reverse-rts

    reverse-rts Use reverse-rts to reverse RTS signal in synchronous mode for debugging purpose. Use undo reverse-rts to restore the default. Syntax reverse-rts undo reverse-rts Default RTS signal reverse is disabled. Views Synchronous serial interface view Default command level 2: System level Usage guidelines This command is used in hardware flow control where the remote is not allowed to send data when the local end is doing that.

  • Page 95: Timer Hold

    Examples # Enable subinterface rate statistics collection on serial interface Serial 1/0/0. <Sysname> system-view [Sysname] interface serial 1/0/0 [Sysname-Serial1/0/0] sub-interface rate-statistic timer hold Use timer hold to set the polling interval, the interval at which the interface sends keepalive packets. Use undo timer hold to restore the default.

  • Page 96: Basic Ce1 Interface Configuration Commands

    Parameters virtualbaudrate: Baud rate (in bps) to be set, which must be consistent with the one configured at the DCE side. It can be 1,200, 2,400, 4,800, 9,600, 19,200, 38,400, 56,000, 57,600, 64,000, 72,000, 1 15,200, 128,000, 192,000, 256,000, 384,000, 512,000, 768,000, 1024,000, 2,048,000, or 4,096,000.

  • Page 97: Cable (ce1 Interface)

    rai: Remote Alarm Indication (RAI). Usage guidelines This command is applicable when the interface operates in CE1 mode. Examples # Disable RAI detection on CE1 interface E1 2/0/0. <Sysname> system-view [Sysname] controller e1 2/0/0 [Sysname-E1 2/0/0] undo alarm detect ais cable (CE1 interface) Use cable to set the cable type for a CE1 interface.

  • Page 98: Clock (ce1 Interface)

    Default No timeslots are bundled into channel sets. Views CE1 interface view Default command level 2: System level Parameters set-number: The number of the channel set formed by bundling timeslots on the interface, in the range of 0 to 30. timeslot-list list: Specifies the timeslots to be bundled.

  • Page 99

    undo clock Default The clock source is line clock (slave). Views CE1 interface view Default command level 2: System level Parameters master: Adopts the internal clock as the clock source. slave: Adopts the line clock as the clock source. Usage guidelines When the CE1 interface is working as DCE, choose the internal clock (master) for it.

  • Page 100: Code (ce1 Interface)

    [Sysname] controller e1 2/0/0 [Sysname-E1 2/0/0] clock-change auto Related commands clock code (CE1 interface) Use code to set the line code format for a CE1 interface. Use undo code to restore the default. Syntax code { ami | hdb3 } undo code Default The line code format for a CE1 interface is HDB3...

  • Page 101

    Views System view Default command level 2: System level Parameters number: CE1 interface number. Examples # Enter E1 2/0/0 interface view. <Sysname> system-view [Sysname] controller e1 2/0/0 [Sysname-E1 2/0/0] Use crc to configure CRC mode for a synchronous serial interface formed on a CE1 interface. Use undo crc to restore the default.

  • Page 102: Data-coding (ce1 Interface)

    data-coding (CE1 interface) Use data-coding inverted to enable user data inversion on a CE1 interface. Use data-coding normal to disable user data inversion on a CE1 interface. Use undo data-coding to restore the default. Syntax data-coding { inverted | normal } undo data-coding Default Data inversion is disabled.

  • Page 103: Display Controller E1

    Views CE1 interface view Default command level 2: System level Examples # Enable AIS test on E1 2/0/0 interface. <Sysname> system-view [Sysname] controller e1 2/0/0 [Sysname-E1 2/0/0] detect-ais display controller e1 Use display controller e1 to display information about one or all the CE1 interfaces. Syntax display controller e1 [ interface-number ] [ | { begin | exclude | include } regular-expression ] Views...

  • Page 104: Error-diffusion Restraint Config

    Last clearing of counters: Never Data in current interval (150 seconds elapsed): 0 Loss Frame Alignment Secs, 0 Framing Error Secs, 0 CRC Error Secs, 0 Alarm Indication Secs, 0 Loss-of-signals Secs, 0 Code Violations Secs, 0 Slip Secs, 0 E-Bit error Secs. Table 17 Command output Field Description...

  • Page 105: Error-diffusion Restraint Enable

    Default The detect-timer value is 30 seconds, the renew-timer value is 600 seconds, and the threshold value is Views System view Default command level 2: System level Parameters detect-timer: Period to check error packets, in the range of 30 to 600 seconds. renew-timer: Period after which an interface resumes its function, in the range of 120 to 2,400 seconds.

  • Page 106: Frame-format (ce1 Interface)

    frame-format (CE1 interface) Use frame-format to set the framing format on the CE1 interface. Use undo frame-format to restore the default. Syntax frame-format { crc4 | no-crc4 } undo frame-format Default The framing format on a CE1 interface is no-CRC4. Views CE1 interface view Default command level...

  • Page 107: Itf (ce1 Interface)

    Parameters 7e: Sets line idle code to 0x7E. ff: Sets line idle code to 0xFF. Usage guidelines The line idle code is sent in timeslots that are not bundled with logical channels. Examples # Set the line idle code to 0x7E on interface E1 2/0/0. <Sysname>...

  • Page 108: Loopback (ce1 Interface)

    [Sysname] controller e1 2/0/0 [Sysname-E1 2/0/0] itf number 5 loopback (CE1 interface) Use loopback to enable loopback and set the loopback mode. Use undo loopback to restore the default. Syntax loopback { local | payload | remote } undo loopback Default Loopback is disabled.

  • Page 109: Using (ce1 Interface)

    Parameters interface-number: Interface number. Usage guidelines To display the information of the controller counter, use the display controller e1 command. The reset counters interface command clears the counters of all interfaces. To clear the controller counter of individual CE1 interfaces, use the reset counters controller e1 command. Examples # Clear the controller counter for CE1 interface E1 2/0/0.

  • Page 110: Basic Ct1 Interface Configuration Commands

    Basic CT1 interface configuration commands alarm (CT1 interface) Use alarm to enable RAI detection on the interface. Use undo alarm to disable RAI detection on the interface. Syntax alarm detect rai undo alarm detect rai Default RAI detection is enabled on an interface. Views CT1 interface view Default command level...

  • Page 111: Bert (ct1 Interface)

    Parameters ais: Sets the alarm threshold of alarm indication signal (AIS), which can be level-1 and level-2. The level-1 keyword specifies generating an AIS alarm when the number of 0s in the bit stream of • an SF or ESF frame is less than or equal to 2. •...

  • Page 112: Cable (ct1 Interface)

    Views CT1 interface view Default command level 2: System level Parameters pattern: Sets a bit error rate test (BERT) pattern, which could be 2^15 or 2^20. 2^15: Specifies the length of transmitted BERT pattern, in bits, as two to the fifteenth power. 2^20: Specifies the length of transmitted BERT pattern, in bits, as two to the twentieth power time minutes: Sets the duration (in minutes) of a BERT test.

  • Page 113: Channel-set (ct1 Interface)

    Parameters long: Matches 199.6-meter (655-feet) and longer cable length. The options for this parameter include 0db, -7.5db, -15db and -22.5db. The attenuation parameter is selected depending on the signal quality received at the receiving end. No external CSU is needed. short: Matches a cable length shorter than 199.6 meters (655 feet).

  • Page 114: Clock (ct1 Interface)

    Usage guidelines A CT1 interface is divided into 24 timeslots numbered 1 through 24. In actual applications, all the timeslots can be bundled into multiple channel sets. For each channel set, the system automatically creates a serial interface that is logically equivalent to a synchronous serial interface. The serial interface is named in the form of serial interface-number:set-number, where interface-number starts from the maximum serial interface number plus 1, and set-number represents the number of the channel set.

  • Page 115: Code (ct1 Interface)

    code (CT1 interface) Use code to set the line code format for a CT1 interface. Use undo code to restore the default. Syntax code { ami | b8zs } undo code Default The line code format for a CT1 interface is B8ZS. Views CT1 interface view Default command level...

  • Page 116: Data-coding (ct1 Interface)

    Parameters number: CT1 interface number. Examples # Enter the view of interface T1 2/0/0. <Sysname> system-view [Sysname] controller t1 2/0/0 [Sysname-T1 2/0/0] Use crc to configure CRC mode for a synchronous serial interface formed on a CT1 interface. Use undo crc to restore the default. Syntax crc { 16 | 32 | none } undo crc...

  • Page 117: Display Controller T1

    Syntax data-coding { inverted | normal } undo data-coding Default Data inversion is disabled. Views CT1 interface view Default command level 2: System level Parameters inverted: Enables user data inversion. normal: Disables user data inversion. Usage guidelines To prevent 7e in valid data from being taken for stuffing characters, HDLC inserts a zero after every five ones in the data stream.

  • Page 118

    include: Displays all lines that match the specified regular expression. regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters. Examples # Display information about interface T1 2/0/0. <Sysname> display controller t1 2/0/0 T1 2/0/0 current state :DOWN Description : T1 2/0/0 Interface Basic Configuration: Work mode is T1 framed, Cable type is 100 Ohm balanced.

  • Page 119

    0 Ais Alarm Secs, 2087 Los Alarm Secs 52 Slip Secs, 2087 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins 0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 2087 Unavail Secs Table 18 Command output Field Description T1 2/0/0 current state...

  • Page 120

    Field Description Number of bit errors received since start of the BERT Bit Errors (since test started) test. Bits Received (since test started) Number of bits received since start of the BERT test. Number of bit errors received since last Bit Errors (since latest sync) synchronization.

  • Page 121

    Syntax error-diffusion restraint config detect-timer renew-timer threshold undo error-diffusion restraint config Default The detect timer is set to 30 seconds; the renew timer is set to 600 seconds; and the error packet threshold 20 percent. Views System view Default command level 2: System level Parameters detect-timer: Setting of the detect timer, in the range of 30 to 600 seconds.

  • Page 122: Frame-format (ct1 Interface)

    Usage guidelines This command applies to CT1 interfaces, CE1 interfaces, E1-F interfaces, and T1-F interfaces only. Examples # Enable error packet diffusion restraint. <Sysname> system-view [Sysname] error-diffusion restraint enable Use fdl to set the behavior of the CT1 interface on the FDL in ESF framing. Use undo fdl to restore the default.

  • Page 123: Idlecode (ct1 Interface)

    Syntax frame-format { esf | sf } undo frame-format Default The framing format on a CT1 interface is esf Views CT1 interface view Default command level 2: System level Parameters esf: Sets the framing format to extended super frame (ESF). sf: Sets the framing format to super frame (SF).

  • Page 124: Itf (ct1 Interface)

    Usage guidelines The line idle code is sent in the timeslots that are not bundled into the logical channels on the interface. Examples # Set the line idle code to 0x7E on CT1 interface T1 2/0/0. <Sysname> system-view [Sysname] controller t1 2/0/0 [Sysname-T1 2/0/0] idlecode 7e itf (CT1 interface) Use itf to set the type and the number of interframe filling tags on the CT1 interface.

  • Page 125: Loopback (ct1 Interface)

    loopback (CT1 interface) Use loopback to enable local, remote, or external payload loopback on the CT1 interface. Use undo loopback to restore the default. Syntax loopback { local | payload | remote } undo loopback Default Loopback is disabled. Views CT1 interface view Default command level 2: System level...

  • Page 126: Sendloopcode

    Usage guidelines To display the value of the controller counter, use the display controller t1 command. The reset counters interface command clears the counters of all interfaces. To clear the controller counter of individual CT1 interfaces, use the reset counters controller t1 command. Examples # Clear the controller counter for CT1 interface T1 2/0/0.

  • Page 127: E1-f Interface Configuration Commands

    Use this command in conjunction with the far-end T1 device. The far-end device must be able to set loopback mode depending on the detected loopback code. The sending of remote loopback control code lasts five minutes without affecting the operation of other interfaces. Examples # Send in-band LLB activation request code.

  • Page 128: Display Fe1

    Use crc to configure CRC mode for an E1-F interface. Use undo crc to restore the default. Syntax crc { 16 | 32 | none } undo crc Default The CRC mode f for an E1-F interface is 16-bit CRC. Views Synchronous serial interface view Default command level...

  • Page 129

    exclude: Displays all lines that do not match the specified regular expression. include: Displays all lines that match the specified regular expression. regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters. Usage guidelines If the specified interface is a common serial interface rather than an E1-F interface, the system displays the prompt.

  • Page 130

    Field Description Data in current interval (19349 seconds elapsed): 129 Loss Frame Alignment Secs, 0 Framing Error Secs, Time duration that each error lasts within the interval. The errors include frame misalignment, frame errors, alarms, loss of signals, code violation, and frame 0 CRC Error Secs, 0 Alarm slipping.

  • Page 131

    error-diffusion restraint enable Use error-diffusion restraint enable to enable error packets diffusion restraint. Use undo error-diffusion restraint enable to disable this function. Syntax error-diffusion restraint enable undo error-diffusion restraint enable Default Error packets diffusion restraint is enabled. Views System view Default command level 2: System level Usage guidelines...

  • Page 132: Fe1 Cable

    Examples # Disable RAI detection on interface Serial 2/0/0. <Sysname> system-view [Sysname] interface serial 2/0/0 [Sysname-Serial2/0/0] undo fe1 alarm detect rai fe1 cable Use fe1 cable to set the cable length for an E1-F interface. Use undo fe1 cable to restore the default. Syntax fe1 cable { long | short } undo fe1 cable...

  • Page 133: Fe1 Code

    Default command level 2: System level Parameters master: Adopts the internal clock as the clock source. slave: Adopts the line clock as the clock source. Usage guidelines When the E1-F interface is working as DCE, choose the internal clock (master) for it. When it is working as DTE, choose the line clock for it.

  • Page 134: Fe1 Data-coding

    Related commands fe1 data-coding fe1 data-coding Use fe1 data-coding normal to disable user data inversion for an E1-F interface. Use fe1 data-coding inverted to enable user data inversion for an E1-F interface. Use undo fe1 data-coding to restore the default. Syntax fe1 data-coding { inverted | normal } undo fe1 data-coding...

  • Page 135: Fe1 Frame-format

    Default AIS test is performed. Views E1-F interface view Default command level 2: System level Examples # Enable AIS test on E1-F interface Serial 2/0/0. <Sysname> system-view [Sysname] interface serial 2/0/0 [Sysname-Serial2/0/0] fe1 detect-ais fe1 frame-format Use fe1 frame-format to configure the framing format of the E1-F interface. Use undo fe1 frame-format to restore the default.

  • Page 136: Fe1 Idlecode

    fe1 idlecode Use fe1 idlecode to set the line idle code on the E1-F interface. Two types of line idle code are available: 0x7E and 0xFF. Use undo fe1 idlecode to restore the default. Syntax fe1 idlecode { 7e | ff } undo fe1 idlecode Default The line idle code on the E1-F interface is 0x7E.

  • Page 137: Fe1 Loopback

    Parameters number number: Sets the number of interframe filling tags (an interframe filling tag is one byte in length). The number argument ranges from 0 to 14. type { 7e | ff }: Sets the type of interframe filling tag to 0x7E by specifying the 7e keyword or to 0xFF by specifying the ff keyword.

  • Page 138: Fe1 Timeslot-list

    Examples # Set E1-F interface Serial 2/0/0 in internal loopback mode. <Sysname> system-view [Sysname] interface serial 2/0/0 [Sysname-Serial2/0/0] fe1 loopback local fe1 timeslot-list Use fe1 timeslot-list to bundle timeslots on the E1-F interface. Use undo fe1 timeslot-list to restore the default. Syntax fe1 timeslot-list list undo fe1 timeslot-list...

  • Page 139: Fe1 Unframed

    fe1 unframed Use fe1 unframed to configure the E1-F interface to operate in unframed mode. Use undo fe1 unframed to configure the E1-F interface to operate in framed mode. Syntax fe1 unframed undo fe1 unframed Default The E1-F interface operates in framed mode. Views E1-F interface view Default command level...

  • Page 140: Display Ft1

    Views Synchronous serial interface view Default command level 2: System level Parameters 16: Adopts 16-bit CRC. 32: Adopts 32-bit CRC. none: Disables CRC. Examples # Adopt 32-bit CRC on T1-F interface Serial 2/0/0. <Sysname> system-view [Sysname] interface serial 2/0/0 [Sysname-Serial2/0/0] crc 32 display ft1 Use display ft1 to display the configuration and state information about a T1-F interface.

  • Page 141

    Input: 0 packets, 0 bytes 0 broadcasts, 0 multicasts 0 errors, 0 runts, 0 giants 0 CRC, 0 align errors, 0 overruns 0 dribbles, 0 aborts 0 frame errors Output:0 packets, 0 bytes 0 errors, 0 underruns, 0 collisions 0 deferred Basic Configuration: Work mode is T1 framed, Cable type is 100 Ohm balanced.

  • Page 142

    0 Line Code Violations, 0 Path Code Violations 0 Ais Alarm Secs, 2087 Los Alarm Secs 52 Slip Secs, 2087 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins 0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 2087 Unavail Secs Table 20 Command output Field Description...

  • Page 143

    Field Description Number of bit errors received since start of the BERT Bit Errors (since test started) test. Bits Received (since test started) Number of bits received since start of the BERT test. Number of bit errors received since last Bit Errors (since latest sync) synchronization.

  • Page 144

    Syntax error-diffusion restraint config detect-timer renew-timer threshold undo error-diffusion restraint config Default The detect-timer value is 30 seconds, the renew-timer value is 600 seconds, and the threshold value is Views System view Default command level 2: System level Parameters detect-timer: Period to check error packets, in the range of 30 to 600 seconds. renew-timer: Period after which an interface resumes it function, in the range of 120 to 2,400 seconds.

  • Page 145: Ft1 Alarm

    Examples # Enable error packets diffusion restraint. <Sysname> system-view [Sysname] error-diffusion restraint enable ft1 alarm Use ft1 alarm to enable RAI detection on the interface. Use undo ft1 alarm to disable RAI detection on the interface. Syntax ft1 alarm detect rai undo ft1 alarm detect rai Default RAI detection is enabled on an interface.

  • Page 146: Ft1 Bert

    Default command level 2: System level Parameters ais: Sets the alarm threshold of alarm indication signal (AIS), which can be level-1 and level-2. • The level-1 keyword specifies generating an AIS alarm when the number of 0s in the bit stream of an SF or ESF frame is less than or equal to 2.

  • Page 147: Ft1 Cable

    Default No BERT test is performed. Views T1-F interface view Default command level 2: System level Parameters pattern: Sets a bit error rate test (BERT) pattern, which could be 2^15 or 2^20. 2^15: Specifies the length of transmitted BERT pattern, in bits, as two to the fifteenth power. 2^20: Specifies the length of transmitted BERT pattern, in bits, as two to the twentieth power.

  • Page 148: Ft1 Clock

    Default command level 2: System level Parameters long decibel: Matches 199.6-meter (655-feet) and longer cable length. The argument decibel can take 0db, -7.5db, -15db, or -22.5db, depending on the signal quality at the receiving end. No external CSU is required. short length: Matches a cable length shorter than 199.6 meters (655 feet).

  • Page 149: Ft1 Code

    Examples # Use the internal clock as the clock source on T1-F interface Serial 2/0/0. <Sysname> system-view [Sysname] interface serial 2/0/0 [Sysname-Serial2/0/0] ft1 clock master ft1 code Use ft1 code to set the line code format for the T1-F interface. Use undo ft1 code to restore the default.

  • Page 150

    Syntax ft1 data-coding { inverted | normal } undo ft1 data-coding Default Data inversion is disabled. Views T1-F interface view Default command level 2: System level Parameters inverted: Enables user data inversion. normal: Disables user data inversion. Usage guidelines To prevent 7e in valid data from being taken for stuffing characters, HDLC inserts a zero after every five ones in the data stream.

  • Page 151: Ft1 Frame-format

    att: Adopts AT&T TR 54016 for FDL. both: Adopts both ANSI T1.403 and AT&T TR 54016 for FDL. none: Disables FDL. Usage guidelines FDL is an embedded 4 kbps overhead channel within the ESF format for transmitting performance statistics or loopback code. You can however change the setting depending on the setting at the far end.

  • Page 152: Ft1 Idlecode

    ft1 idlecode Use ft1 idlecode to set the line idle code on the T1-F interface. Two types of line idle code are available: 0x7E and 0xFF. Use undo ft1 idlecode to restore the default. Syntax ft1 idlecode { 7e | ff } undo ft1 idlecode Default The line idle code on the T1-F interface is 0x7E.

  • Page 153: Ft1 Loopback

    Parameters number number: Sets the number of interframe filling tags (a interframe filling tag is one byte in length). The number argument ranges from 0 to 14. type { 7e | ff }: Sets the interframe filling tag to 0x7E by specifying the 7e keyword or to 0xFF by specifying the ff keyword.

  • Page 154: Ft1 Sendloopcode

    Examples # Set T1-F interface Serial 2/0/0 in local loopback mode. <Sysname> system-view [Sysname] interface serial 2/0/0 [Sysname-Serial2/0/0] ft1 loopback local ft1 sendloopcode Use ft1 sendloopcode to send remote loopback control code. Syntax ft1 sendloopcode { fdl-ansi-llb-down | fdl-ansi-llb-up | fdl-ansi-plb-down | fdl-ansi-plb-up | fdl-att-plb-down | fdl-att-plb-up | inband-llb-down | inband-llb-up } Default No remote loopback control code is sent.

  • Page 155: Ft1 Timeslot-list

    Examples # Send in-band LLB activation request code. <Sysname> system-view [Sysname] interface serial 2/0/0 [Sysname-Serial2/0/0] ft1 sendloopcode inband-llb-up ft1 timeslot-list Use ft1 timeslot-list to bundle timeslots on a T1-F interface. Use undo ft1 timeslot-list to restore the default. Syntax ft1 timeslot-list list [ speed { 56k | 64k } ] undo ft1 timeslot-list Default All the timeslots on the T1-F interface are bundled to form a 1536 kbps interface.

  • Page 156: Basic Ce3 Interface Configuration Commands

    Basic CE3 interface configuration commands bert (CE3 interface) Use bert to enable BERT test. Use undo bert to disable BERT test. Syntax bert pattern { 2^7 | 2^1 1 | 2^15 | qrss } time number [ unframed ] undo bert Default No BERT test is performed.

  • Page 157: Clock (ce3 Interface)

    [Sysname-E3 2/0/0] bert pattern qrss time 10 clock (CE3 interface) Use clock to configure clock source for a CE3 interface. Use undo clock to restore the default. Syntax clock { master | slave } undo clock Default The clock source for a CE3 interface is line clock. Views CE3 interface view Default command level...

  • Page 158: Related Commands

    Examples # Enter the view of interface E3 2/0/0. <Sysname> system-view [Sysname] controller e3 2/0/0 [Sysname-E3 2/0/0] Related commands display controller e3 Use crc to configure CRC mode for a synchronous serial interface formed by CE3 interfaces. Use undo crc to restore the default. Syntax crc { 16 | 32 | none } undo crc...

  • Page 159: Display Controller E3

    Related commands e1 channel-set • e1 unframed • • using display controller e3 Use display controller e3 to display state information about a specific or all CE3 interfaces. Syntax display controller e3 [ interface-number ] [ | { begin | exclude | include } regular-expression ] Views Any view Default command level...

  • Page 160

    Frame-format NO-CRC4, clock slave, loopback not set Receiver alarm state is none BERT state:(stopped) E3 2/0/0 CE1 2 is up Frame-format NO-CRC4, clock slave, loopback not set Receiver alarm state is none BERT state:(stopped) E3 2/0/0 CE1 3 is up Frame-format NO-CRC4, clock slave, loopback not set Receiver alarm state is none...

  • Page 161

    Frame-format NO-CRC4, clock slave, loopback not set Receiver alarm state is none BERT state:(stopped) E3 2/0/0 CE1 14 is up Frame-format NO-CRC4, clock slave, loopback not set Receiver alarm state is none BERT state:(stopped) E3 2/0/0 CE1 15 is up Frame-format NO-CRC4, clock slave, loopback not set Receiver alarm state is none...

  • Page 162: E1 Channel-set

    Usage guidelines Multiple BERT test modes exist, as defined in ITU O.151, ITU O.153, and ANSI T1.403- 1 999. 2^1 1, 2^15, 2^20, 2^23, and QRSS are available on E1 channels created on CE3 interfaces. To perform a BERT test, the local end transmits test data stream, which is returned after reaching specific nodes.

  • Page 163: E1 Set Clock

    When an E1 line operates in framed (CE1) mode, you can bundle timeslots on it into channel sets. For each channel set, the system automatically creates a serial interface numbered serial number/line-number:set-number. For example, the serial interface formed by channel set 0 on the first E1 line on E3 1/0 is numbered 1/0/1:0.

  • Page 164: E1 Set Frame-format

    e1 set frame-format Use e1 set frame-format to set framing format for an E1 line. Use undo e1 set frame-format to restore the default. Syntax e1 line-number set frame-format { crc4 | no-crc4 } undo e1 line-number set frame-format Default The framing format for an E1 line is no-CRC4.

  • Page 165: E1 Shutdown

    Views CE3 interface view Default command level 2: System level Parameters line-number: E1 line number in the range of 1 to 16. local: Sets the E1 line in internal loopback mode. payload: Sets the E1 line in payload loopback mode. remote: Sets the E1 line in external loopback mode.

  • Page 166: E1 Unframed

    Examples # Shut down the first E1 line on interface E3 2/0/0. <Sysname> system-view [Sysname] controller e3 2/0/0 [Sysname-E3 2/0/0] e1 1 shutdown e1 unframed Use e1 unframed to set an E1 line on the CE3 interface to operate in unframed mode (E1 mode). Use undo e1 unframed to restore the default.

  • Page 167: Loopback (ce3 Interface)

    undo fe3 { dsu-mode | subrate } Default DSU mode 1 (the Kentrox mode) is adopted, and the subrate is 34010 kbps. Views CE3 interface (in FE3 mode) view Default command level 2: System level Parameters dsu-mode: Specifies the FE3 (Fractional E3) DSU mode for a CE3 interface operating in FE3 mode. This keyword can be followed by 0 or 1.

  • Page 168: National-bit

    Use undo loopback to restore the default. Syntax loopback { local | payload | remote } undo loopback Default Loopback is disabled on the CE3 interface. Views CE3 interface view Default command level 2: System level Parameters local: Enables internal loopback on the CE3 interface. payload: Enables external payload loopback on the CE3 interface.

  • Page 169: Reset Counters Controller E3

    Parameters 0: Sets the national bit to 0 for national communication. 1: Sets the national bit to 1 for international communication. Usage guidelines You need to set the national bit to 0 on an E3 interface only in some special circumstances. Examples # Set the national bit to 0 on interface E3 2/0/0.

  • Page 170: Basic Ct3 Interface Configuration Commands

    Default The operating mode is channelized mode. Views CE3 interface view Default command level 2: System level Parameters ce3: Sets the CE3 interface to operate in channelized mode. e3: Sets the CE3 interface to operate in unchannelized mode. Usage guidelines Only when the CE3 interface is working in channelized mode can you configure E1 lines.

  • Page 171: Bert (ct3 Interface)

    Default command level 2: System level Parameters detect: Enables/disables periodical alarm signal detection. generate: Sends alarm signals, which can be AIS, RAI, idle, or FEBE for line state test. ais: Alarm indication signal. febe: Far end block error signal. idle: Idle signal. rai: Remote alarm indication signal.

  • Page 172: Cable (ct3 Interface)

    Default command level 2: System level Parameters pattern: Sets a bit error rate test (BERT) pattern, which could be 2^7, 2^1 1, 2^15, or QRSS. 2^7: Specifies the length of transmitted BERT pattern, in bits, as two to the seventh power. 2^1 1: Specifies the length of transmitted BERT pattern, in bits, as two to the eleventh power.

  • Page 173: Clock (ct3 Interface)

    Parameters feet: Cable length in the range of 0 to 450 feet (0 to 137.2 meters). Usage guidelines The cable length in this command refers to the distance between the router and the cable distribution rack. Examples # Set the cable length to 50 feet (15.2 meters) on interface T3 2/0/0. <Sysname>...

  • Page 174

    Syntax controller t3 interface-number Views System view Default command level 2: System level Parameters interface-number: CT3 interface number. Examples # Enter the view of interface T3 2/0/0. <Sysname> system-view [Sysname] controller t3 2/0/0 [Sysname-T3 2/0/0] Related commands display controller t3 Use crc to configure CRC mode for the serial interface formed on CT3 interfaces.

  • Page 175: Display Controller T3

    [Sysname] interface serial 2/0/0/0:0 [Sysname-Serial2/0/0/0:0] crc 32 # Apply 16-bit CRC to a serial interface formed on interface CT3 2/0/0 in channelized mode. <Sysname> system-view [Sysname] controller t3 2/0/0 [Sysname-T3 2/0/0] t1 2 channel-set 4 timeslot-list 5-11 [Sysname-T3 2/0/0] quit [Sysname] interface serial 2/0/0/2:4 [Sysname-Serial2/0/0/2:4] crc 16 Related commands...

  • Page 176

    Work mode is CT3, cable length is 49 feet. Frame-format is C-BIT Parity, line code is B3ZS. Source clock is slave, loopback is not set. Alarm state: Receiver alarm state is none. MDL state: No message is sent now. Message data elements: EIC: line, LIC: line, FIC: line, UNIT: line FI: line, PORT_NO: line, GEN_NO: line Periodical detection is disabled.

  • Page 177

    Field Description Description : T3 2/0/0 Interface Description about the interface. Link delay is 8(sec) Physical state change suppression interval of the interface. Basic Configuration Basic configurations of the interface. Work mode Operating mode of the interface, CT3 or T3. cable length Cable length supported by the interface.

  • Page 178

    Field Description BERT state:(stopped, not completed) BERT state: completed, stopped (not completed), or running. Test pattern in use (such as 2^7, 2^11, 2^15, and QRSS), 2^7 in Test pattern: 2^7, Status: Not Sync, this sample output; synchronization state, and the number of Sync Detected: 0 detected synchronizations.

  • Page 179: Feac

    Field Description Line loop back activate code using The loopback code sent last time is in-band LLB activation request inband signal last sent code. BERT state BERT test state: running, complete, or stopped (not completed). Test pattern Test pattern in use, 2^11 in this sample output; synchronization Status state, and the number of detected synchronizations.

  • Page 180: Frame-format (ct3 Interface)

    Usage guidelines FEAC is a channel formed by using the third C-bit in the first subframe in C-bit framing. It is used to transmit alarm state signals for line test purposes, or to transmit loopback control code for activating or deactivating far-end loopback during a loopback test.

  • Page 181

    Parameters c-bit: Sets the framing format to C-bit. m23: Sets the framing format to m23. Examples # Set the framing format of interface T3 2/0/0 to m23. <Sysname> system-view [Sysname] controller t3 2/0/0 [Sysname-T3 2/0/0] frame-format m23 Use ft3 to configure a CT3 interface to operate in the FT3 mode and set the DSU mode or the subrate. Use undo ft3 to restore the default.

  • Page 182

    Usage guidelines FT3 (Fractional T3 or Subrate T3) mode is a non-standard E3 application mode. In this mode, the subrate level setting varies with vendors. You can use the ft3 command to make the device to be compatible with devices of other vendors operating in specific FT3 DSU modes. This command is only applicable to CT3 boards that support FT3.

  • Page 183: Loopback (ct3 Interface)

    Examples # Set the physical link state change suppression interval of interface T3 2/0/0 to 8 seconds. <Sysname> system-view [Sysname] controller t3 2/0/0 [Sysname-T3 2/0/0] link-delay 8 loopback (CT3 interface) Use loopback to configure the loopback mode for a CT3 interface. Use undo loopback to disable loopback.

  • Page 184

    Syntax mdl { data { eic string | fic string | gen-no string | lic string | pfi string | port-no string | unit string } | detect | generate { idle-signal | path | test-signal } } undo mdl [ data [ eic | fic | gen-no | lic | pfi | port-no | unit ] | detect | generate [ idle-signal | path | test-signal ] ] Views CT3 interface view...

  • Page 185: Reset Counters Controller T3

    [Sysname-T3 2/0/0] mdl data lic hello # Send path messages on CT3 interface T3 2/0/0. <Sysname> system-view [Sysname] controller t3 2/0/0 [Sysname-T3 2/0/0] mdl generate path reset counters controller t3 Use reset counters controller t3 to clear the controller counter of the specified CT3 interface. Syntax reset counters controller t3 interface-number Views...

  • Page 186

    Default command level 2: System level Parameters line-number: T1 line number, in the range of 1 to 28. detect: Enables/disables periodical alarm signal detection. generate: Sends alarm signals, AIS or RAI, for line state test. ais: Alarm indication signal. rai: Remote alarm indication signal. Usage guidelines At the startup of the router, periodical alarm signal detection is enabled on all T1 lines on the CT3 interface.

  • Page 187: T1 Channel-set

    Parameters line-number: T1 line number, in the range of 1 to 28. pattern: Sets a BERT pattern, which could be 2^1 1, 2^15, 2^20, 2^23, or QRSS. 2^1 1: Specifies the length of transmitted BERT pattern, in bits, as two to the eleventh power. 2^15: Specifies the length of transmitted BERT pattern, in bits, as two to the fifteenth power.

  • Page 188: T1 Sendloopcode

    Parameters line-number: T1 line number in the range of 1 to 28. set-number: Number of a channel set formed from a timeslot bundle on the T1 line. It ranges from 0 to 23. timeslot-list list: Specifies the timeslots to be bundled. The list argument can contain multiple timeslot numbers, each of which ranges from 1 to 24.

  • Page 189: T1 Set Clock

    fdl-att-payload-up: Sends AT&T-compliant PLB activation request code in the FDL to start remote loopback. inband-line-up: Sends in-band LLB activation request code compliant with the ANSI and AT&T implementation to start remote loopback. Usage guidelines Loopback is an effective way of diagnosis. You may place a far-end device into loopback mode either at command line on it or by sending loopback control code to it.

  • Page 190: T1 Set Frame-format

    <Sysname> system-view [Sysname] controller t3 2/0/0 [Sysname-T3 2/0/0] t1 1 set clock slave t1 set fdl Use t1 set fdl to set the behavior of the specified T1 line on the FDL in ESF framing. Use undo t1 set fdl to disable FDL of T1. Syntax t1 line-number set fdl { ansi | att | both | none} undo t1 line-number set fdl...

  • Page 191: T1 Set Loopback

    Use undo t1 set frame-format to restore the default. Syntax t1 line-number set frame-format { esf | sf } undo t1 line-number set frame-format Default The framing format of a T1 line is ESF. Views CT3 interface view Default command level 2: System level Parameters line-number: T1 line number in the range of 1 to 28.

  • Page 192

    Parameters line-number: T1 line number in the range of 1 to 28. local: Sets the T1 line in internal loopback mode. remote: Sets the T1 line in external loopback mode. remote: Sets the T1 line in payload loopback mode. Usage guidelines Loopback is intended for test use.

  • Page 193: T1 Shutdown

    Bit errors (since test started): 0 bits Bits received (since test started): 0 Kbits Bit errors (since latest sync): 0 bits Bits received (since latest sync): 0 Kbits Table 22 Command output Field Description T3 2/0/0 CT1 1 is up State of T1 line 1 on the CT3 interface: up or down.

  • Page 194: T1 Unframed

    Views CT3 interface view Default command level 2: System level Parameters line-number: T1 line number in the range of 1 to 28. Usage guidelines This command shuts down not only the specified T1 line but also the serial interfaces formed on it. Data transmission and receiving will stop as a result.

  • Page 195: Using (ct3 Interface)

    [Sysname-T3 2/0/0] t1 1 unframed Related commands t1 channel-set using (CT3 interface) Use using to configure the operating mode of a CT3 interface. Use undo using to restore the default. Syntax using { ct3 | t3 } undo using Default The operating mode of a CT3 interface is channelized mode.

  • Page 196: Pos Interface Configuration Commands

    POS interface configuration commands bandwidth Use bandwidth to set the intended bandwidth for the POS interface. Use undo bandwidth to restore the default. Syntax bandwidth bandwidth-value undo bandwidth Views POS interface view Default command level 2: System level Parameters bandwidth-value: Intended bandwidth for the POS interface, in the range of 1 to 4,294,967,295 kbps. Usage guidelines You can obtain the intended bandwidth of an interface by querying the ifspeed value of the MIB node with third-party software.

  • Page 197

    Default command level 2: System level Parameters master: Sets the clock mode of the POS interface to master, which means to use the internal clock signal of the POS interface card. slave: Sets the clock mode of the POS interface to slave, which means to use line clock signal. Usage guidelines If the POS interface is connected to another router, set its clock mode to be different from the mode used by the remote end.

  • Page 198

    default Use default to restore the default settings for the POS interface. Syntax default Views POS interface view Default command level 2: System level Usage guidelines CAUTION: The default command might interrupt ongoing network services. Make sure you are fully aware of the impacts of this command when you perform it on a live network.

  • Page 199: Display Interface Pos

    Parameters text: Interface description, a case-sensitive character string of 1 to 240 characters. The string can include case-sensitive letters, digits, special characters such as tilde (~), exclamation point (!), at sign (@), pound sign (#), dollar sign ($), percent sign (%), caret (^), ampersand sign (&), asterisk (*), left brace({), right brace (}), left parenthesis ((), right parenthesis ()), left bracket ([), right bracket (]), left angle bracket (<), right angle bracket (>), hyphen (-), underscore(_), plus sign (+), equal sign (=), vertical bar (|), back slash (\), colon (:), semi-colon (;) quotation marks ("), apostrophe ('), comma (,), dot (.), and slash (/),...

  • Page 200

    Examples # Display detailed information about interface POS 2/1/0. <Sysname> display interface pos 2/1/0 Pos2/1/0 current state: DOWN Line protocol current state: DOWN Description: Pos2/1/0 Interface The Maximum Transmit Unit is 1500, Hold timer is 10(sec) Internet Address is 5.5.5.2/24 Primary Link layer protocol is PPP LCP initial Physical layer is non-channelized STM-4/OC-12...

  • Page 201

    Link: ADM - administratively down; Stby - standby Interface Link Cause Pos2/1/0 Administratively Table 23 Command output Field Description Current state of the POS interface: • DOWN (Administratively)—The POS interface has been shut down with the shutdown command and is administratively down. current state •...

  • Page 202: Display Ip Interface Pos

    Field Description Link status: • ADM—The interface has been administratively shut down. To recover its physical state, perform the undo shutdown command. Link: ADM - administratively down; Stby - standby • Stby—The interface is operating as a backup interface. To see the primary interface, use the display standby state command described in High Availability Command Reference.

  • Page 203: Display Ipv6 Interface Pos

    include: Displays all lines that match the specified regular expression. regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters. Examples # Display the IP configuration and status information of interface POS 2/1/0. <Sysname> display ip interface pos 2/1/0 Pos2/1/0 current state :UP Line protocol current state :UP Internet Address is 13.13.13.13/8 Primary...

  • Page 204

    |: Filters command output by specifying a regular expression. For more information about regular expressions, see Fundamentals Configuration Guide. begin: Displays the first line that matches the specified regular expression and all lines that follow. exclude: Displays all lines that do not match the specified regular expression. include: Displays all lines that match the specified regular expression.

  • Page 205: Flag

    InMcastNotMembers: OutMcastPkts: InAddrErrors: InDiscards: OutDiscards: flag Use flag to set the SONET/SDH overhead bytes. Use undo flag to restore the default SONET/SDH overhead bytes. Syntax flag c2 flag-value undo flag c2 flag { j0 | j1 } { sdh | sonet } flag-value undo flag { j0 | j1 } { sdh | sonet } flag j1 ignore undo flag j1 ignore...

  • Page 206: Flag J1 Ignore

    sdh: Sets framing format to SDH. sonet: Sets framing format to SONET. Usage guidelines Inconsistency between the c2 and j1 settings of the sending POS interface and the receiving POS interface causes alarms. The J0 byte can be any character in the network of the same carrier. If two carriers are involved, make sure the sending and receiving devices use the same J0 byte at their network borders.

  • Page 207

    undo frame-format Default The framing format is SDH. Views POS interface view Default command level 2: System level Parameters sdh: Sets framing format to synchronous digital hierarchy (SDH). sonet: Sets framing format to synchronous optical network (SONET). Examples # Set the framing format on interface POS 2/1/1 to SDH. <Sysname>...

  • Page 208: Link-protocol

    link-protocol Use link-protocol to set the link layer protocol of the interface. Syntax link-protocol { fr [ ietf | mfr interface-number | nonstandard ] | hdlc | ppp } Default PPP is used. Views POS interface view Default command level 2: System level Parameters fr: Specifies Frame Relay as the link layer protocol of the interface.

  • Page 209

    Default command level 2: System level Parameters local: Enables internal loopback. remote: Enables external loopback. Usage guidelines Loopback is intended for test use. Disable it otherwise. If you enable loopback on a POS interface encapsulated with PPP, it is normal that the state of the link layer protocol is reported up.

  • Page 210

    HIM module model MTU value range HIM-RPR 128 to 9600 Usage guidelines The MTU setting of the POS interface can affect the assembly and fragmentation of IP packets. In QoS, the length of queues is limited. If MTU on the interface is too small, a large packet might be fragmented into so many fragments that the queue cannot hold them and discard them.

  • Page 211

    scramble Use scramble to enable payload scrambling on the POS interface. Use undo scramble to disable payload scrambling. Syntax scramble undo scramble Default Payload scrambling is enabled. Views POS interface view Default command level 2: System level Usage guidelines You can configure payload scrambling to prevent the presence of too many consecutive 1s or 0s, to facilitate line clock signal extraction at the receiving end.

  • Page 212

    Examples # Shut down the POS interface POS 2/1/0. <Sysname> system-view [Sysname] interface pos 2/1/0 [Sysname-Pos2/1/0] shutdown sub-interface rate-statistic Use sub-interface rate-statistic to enable sub-interface rate statistics collection on the POS interface. Use undo sub-interface rate-statistic to disable sub-interface rate statistics collection on the POS interface.

  • Page 213

    Default command level 2: System level Parameters sd: Sets the SD alarm threshold. sf: Sets the SF alarm threshold. value: SD or SF alarm threshold value, in the format of 10e-value. The value argument is in the range of 3 to 9. Usage guidelines SD and SF alarms are used to indicate current line performance.

  • Page 214: Cpos Interface Configuration Commands

    CPOS interface configuration commands E1-related commands are available for CPOS (E) interface modules, and T1-related commands are available for CPOS (T) interface modules. bandwidth Use bandwidth to set the intended bandwidth for the CPOS interface. Use undo bandwidth to restore the default. Syntax bandwidth bandwidth-value undo bandwidth...

  • Page 215: Controller Cpos

    Views CPOS interface view Default command level 2: System level Parameters master: Configures the CPOS interface to use the master clock mode, the internal clock source of the card. slave: Configures the CPOS interface to use the slave clock mode, the line clock source. Usage guidelines When connected to a SONET/SDH device, the CPOS interface must use the slave clock because the SONET/SDH network clock is more precise.

  • Page 216

    Views CPOS interface view Default command level 2: System level Usage guidelines CAUTION: The default command might interrupt ongoing network services. Make sure you are fully aware of the impacts of this command when you perform it on a live network. This command might fail to restore the default settings for some commands for reasons such as command dependencies and system restrictions.

  • Page 217: Display Controller Cpos

    slash (\), colon (:), semi-colon (;) quotation marks ("), apostrophe ('), comma (,), dot (.), and slash (/), spaces, and other Unicode characters and symbols. Examples # Set the description for CPOS interface CPOS 3/1/1 to CPOS-interface. <Sysname> system-view [Sysname] controller cpos 3/1/1 [Sysname-Cpos3/1/1] description cpos-interface display controller cpos Use display controller cpos to display information about the state information of the specified CPOS...

  • Page 218

    Field Description BERR PRBS bit error (pseudo-random binary sequence bit error, for test only). Bit-interleaved parity. Remote error indication. In this table, FRED, COFA, and SEF are called alarm errors (AERRs). Examples # Display the path information of interface CPOS 2/0/0. <Sysname>...

  • Page 219: Display Controller Cpos E1

    Field Description Physical layer information of the CPOS interface: the framing format Frame-format SDH, multiplex AU-3, is set to SDH, AU-3 path is adopted, master clock (internal clock clock master, loopback not set signal) is used, and loopback is disabled. SD threshold: 6 , SF threshold: 3 SD threshold and SF threshold of the CPOS interface.

  • Page 220

    begin: Displays the first line that matches the specified regular expression and all lines that follow. exclude: Displays all lines that do not match the specified regular expression. include: Displays all lines that match the specified regular expression. regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters. Usage guidelines Different from the display controller cpos command, this command can display the error and alarm information of lower-order paths and E1 frames.

  • Page 221: Display Controller Cpos E3

    Field Description Physical layer information of the CPOS interface. Frame-format SDH, multiplex AU-4, In this sample output, the framing format is set to SDH, AU-4 path is clock master, loopback not set adopted, master clock (internal clock signal) is used, and loopback is disabled.

  • Page 222

    include: Displays all lines that match the specified regular expression. regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters. Usage guidelines Compared with the display controller cpos command, this command can display the error and alarm information of lower-order paths and E3 frames.

  • Page 223: Display Controller Cpos T1

    Field Description E3 1 is up State of the E3 channel. In this sample output, the state of E3 channel 1 is up. Frame-format Framing format on the E3 channel. Clock Clock mode of the E3 channel. Loopback Loopback mode of the E3 channel. national-bit National bit value of the E3 channel.

  • Page 224: Display Controller Cpos T3

    Alarm: none Error: 0 BIP, 0 SEF Multiplex section: Alarm: none Error: 0 BIP, 0 REI Higher order path(VC-3-2): Alarm: none Error: 0 BIP, 0 REI Lower order path: Alarm: none Error: 4095 BIP, 2047 REI Cpos2/0/0 CT1 2 is up Frame-format ESF, clock master, loopback not set T1 framer(2-1-1): Alarm: none...

  • Page 225

    Syntax display controller cpos cpos-number t3 t3-number [ | { begin | exclude | include } regular-expression ] Views Any view Default command level 1: Monitor level Parameters cpos-number: CPOS interface number. t3-number: Number of a T3 channel on the specified CPOS interface, in the range of 1 to 3. |: Filters command output by specifying a regular expression.

  • Page 226

    Views CPOS interface view Default command level 2: System level Parameters e1-number: Number of an E1 channel on the CPOS interface, in the range of 1 to 63. set-number: Channel set number, in the range of 0 to 30. timeslot-list range: Specifies a list of timeslots assigned to the channel set. A timeslot number is in the range of 1 to 31.

  • Page 227

    Views CPOS interface view Default command level 2: System level Parameters e1-number: Number of an E1 channel on the CPOS interface, in the range of 1 to 63. master: Sets the clock mode of the E1 channel to master. slave: Sets the clock mode of the E1 channel to slave. Usage guidelines E1 channels on the same CPOS physical interface can use different clock modes, depending on connected devices.

  • Page 228

    c2-value: Low-order channel signal flag byte (C2) to be set, 1 byte in length and in the range of 0x0 to 0x7. j2: Specifies the low-order channel trace byte (J2). sdh: Specifies the trace byte in SDH format. sonet: Specifies the trace byte in SONET format. j2-string: Low-order channel trace byte to be set, a string of 1 to 15 characters (in SDH format) or of 1 to 62 characters (in SONET format).

  • Page 229

    Syntax e1 e1-number set loopback { local | payload | remote } undo e1 e1-number set loopback Default Loopback is disabled. Views CPOS interface view Default command level 2: System level Parameters e1-number: Number of an E1 channel on the CPOS interface, in the range of 1 to 63. local: Enables internal loopback on the E1 channel.

  • Page 230

    Views CPOS interface view Default command level 2: System level Parameters e1-number: Number of an E1 channel on the CPOS interface, in the range of 1 to 63. Usage guidelines Shutting down an E1 channel also shuts down the serial interfaces that are formed on it. Examples # Shut down E1 channel 1.

  • Page 231: E3 Set Clock

    [Sysname-Cpos2/0/0] e1 3 unframed e3 set clock Use e3 set clock to set a clock mode for the E3 channel. Use undo e3 set clock to restore the default. Syntax e3 e3-number set clock { master | slave } undo e3 e3-number set clock Default The clock mode of an E3 channel is slave.

  • Page 232: E3 Set National-bit

    Default Loopback is disabled. Views CPOS interface view Default command level 2: System level Parameters e3-number: Number of an E3 channel on the current CPOS interface, in the range of 1 to 3. local: Enables internal loopback on the E3 channel. payload: Enables external payload loopback on the E3 channel.

  • Page 233: E3 Shutdown

    Default command level 2: System level Parameters e3-number: Number of an E3 channel on the current CPOS interface, in the range of 1 to 3. 0: Sets the national bit to 0 for national communication. 1: Sets the national bit to 1 for international communication. Examples # Set the national bit of E3 channel 1 on interface CPOS 2/0/0 to 1.

  • Page 234

    undo fe3 e3-number { dsu-mode | subrate } Default For an FE3 channel, the DSU mode is 1 (Kentrox) and the subrate is 34010 kbps. Views CPOS interface view Default command level 2: System level Parameters e3-number: Number of an E3 channel on the current CPOS interface, in the range of 1 to 3. dsu-mode: Sets the data service unit (DSU) mode for fractional E3 (FE3).

  • Page 235

    flag Use flag to set the overhead bytes of SONET/SDH frames. Use undo flag to restore the default. Syntax flag { c2 path-number c2-value | s1 s1-value | s1s0 path-number s1s0-value } undo flag { c2 path-number | s1 | s1s0 path-number } flag { j0 | j1 path-number } { sdh | sonet } flag-value undo flag { j0 | j1 path-number } { sdh | sonet } Views...

  • Page 236: Flag Vc-3

    S1S0 are two bits in the H1 byte. They are used by ITU to indicate the AU-n/TU-n type. S1S0 must be set to 2 for AU-4, AU-3, and TU-3. HP recommends not configuring the s1s0 keyword. Otherwise, a link failure might occur. Examples # Set J0 to aa on interface CPOS 2/0/0.

  • Page 237: Flag Vc-4

    <Sysname> system-view [Sysname] controller cpos 2/0/0 [Sysname-Cpos2/0/0] flag vc-3 2 c2 2 flag vc-4 Use flag vc-4 to set an overhead byte for VC-4 frames. Use undo flag vc-4 to restore the default. Syntax flag vc-4 path-number { c2 c2-value | j1 { sdh sdh-string | sonet sonet-string } | s1s0 s1s0-value } undo flag vc-4 path-number { c2 | j1 { sdh | sonet } | s1s0 } Views CPOS interface view...

  • Page 238

    undo frame-format Default The framing format on the CPOS interface is SDH. Views CPOS interface view Default command level 2: System level Parameters sdh: Sets framing format to synchronous digital hierarchy (SDH). sonet: Sets framing format to synchronous optical network (SONET). Examples # Set the framing format on interface CPOS 2/0/0 to SONET.

  • Page 239

    Total number of Keyword DSU mode (vendor) Subrate range subrate grades 1500 to 35000 kbps in steps Kentrox of 1500000 bps; 44210 kbps 3100 to 44210 kbps in steps Larscom of 3157835 bps 75 to 44210 kbps in steps of Adtran 75187 bps 1500 to 44,210 kbps in steps...

  • Page 240

    Default Physical state change suppression is disabled on a CPOS interface. Views CPOS interface view Default command level 2: System level Parameters seconds: Sets the physical state change suppression interval on the CPOS interface, in the range of 0 to 10 seconds.

  • Page 241: Multiplex Mode

    Usage guidelines Loopback is intended for test use. Disable it otherwise. Examples # Enable external loopback testing on interface CPOS 2/0/0. <Sysname> system-view [Sysname] controller cpos 2/0/0 [Sysname-Cpos2/0/0] loopback remote multiplex mode Use multiplex mode to set AUG multiplexing mode. Use undo multiplex mode to restore the default.

  • Page 242: Ppp Mp Soft-binding

    Related commands frame-format ppp mp soft-binding Use the ppp mp soft-binding command to configure the serial interface to use the software bundling mode. Use the undo ppp mp soft-binding command to restore the default. Syntax ppp mp soft-binding undo ppp mp soft-binding Default The hardware bundling mode is used.

  • Page 243

    Default command level 2: System level Parameters interface-number: Interface number. Usage guidelines You can use the display controller cpos command to display the controller counter. The reset counters interface command clears the controller counters of all interfaces. To clear the controller counters of individual CPOS interfaces, use the reset counters controller cpos command.

  • Page 244

    Syntax t1 t1-number channel-set set-number timeslot-list range [ speed { 56k | 64k } ] undo t1 t1-number channel-set set-number Default A T1 channel is not channelized. Views CPOS interface view Default command level 2: System level Parameters t1-number: Number of a T1 channel on the CPOS interface, in the range of 1 to 84. set-number: Channel set number, in the range of 0 to 23.

  • Page 245

    t1 set clock Use t1 set clock to configure the clock mode of the T1 channel. Use undo t1 set clock to restore the default. Syntax t1 t1-number set clock { master | slave } undo t1 t1-number set clock Default The clock mode of the T1 channel is slave.

  • Page 246

    Default C2 is 0x02 and J2 is cyclic null. Views CPOS interface view Default command level 2: System level Parameters t1-number: T1 channel number, in the range of 1 to 84. c2: Specifies the low-order channel signal tag byte (C2). c2-value: Low-order channel signal tag byte (C2) to be set, 1 byte in length and in the range of 0x0 to 0x7.

  • Page 247

    sf: Sets the T1 channel to use the super frame (SF) format. Examples # Set the framing format of T1 channel 1 to SF. <Sysname> system-view [Sysname] controller cpos 2/0/0 [Sysname-Cpos2/0/0] t1 1 set frame-format sf t1 set loopback Use t1 set loopback to configure the loopback mode of the T1 channel. Use undo t1 set loopback to disable loopback.

  • Page 248

    Syntax t1 t1-number shutdown undo t1 t1-number shutdown Default T1 channels are up. Views CPOS interface view Default command level 2: System level Parameters t1-number: Number of a T1 channel on the CPOS interface, in the range of 1 to 84. Usage guidelines Disabling a T1 channel disables the serial interfaces formed on it.

  • Page 249: T3 Set Alarm

    In framed mode, 24 timeslots of a T1 channel can be bound randomly to form serial interfaces. • Examples # Set T1 channel 3 on interface CPOS 2/0/0 to operate in unframed mode. <Sysname> system-view [Sysname] controller cpos 2/0/0 [Sysname-Cpos2/0/0] t1 3 unframed t3 set alarm Use t3 set alarm to enable alarm signal detection or sending on the specified T3 channel.

  • Page 250: T3 Set Bert Pattern

    Examples # Enable alarm signal detection on T3 channel 2 of CPOS 2/0/0. <Sysname> system-view [Sysname] controller cpos 2/0/0 [Sysname-Cpos2/0/0] t3 2 alarm detect # Enable T3 channel 2 of CPOS 2/0/0 to generate AIS alarm signals. <Sysname> system-view [Sysname] controller CPOS 2/0/0 [Sysname-Cpos2/0/0] t3 2 alarm generate ais t3 set bert pattern Use t3 set bert pattern to start a BERT test on the specified T3 channel.

  • Page 251: T3 Set Clock

    You can view the state and result of a BERT test with the display controller cpos t3 command. Examples # Run a 10-minute QRSS BERT test on T3 channel 2 of interface CPOS 2/0/0. <Sysname> system-view [Sysname] controller cpos 2/0/0 [Sysname-Cpos2/0/0]t3 2 bert pattern qrss time 10 t3 set clock Use t3 set clock to set clocking for the T3 channel.

  • Page 252

    t3 set feac Use t3 set feac to enable FEAC channel signal detection or FEAC signal sending on the specified T3 interface. Use undo t3 set feac to remove the current FEAC settings. Syntax t3 t3-number set feac { detect | generate { ds3-los | ds3-ais | ds3-oof | ds3-idle | ds3-eqptfail | loopback { ds3-line | ds3-payload } } } undo t3 t3-number set feac { detect | generate { ds3-los | ds3-ais | ds3-oof | ds3-idle | ds3-eqptfail | loopback { ds3-line | ds3-payload } } }...

  • Page 253: T3 Set Frame-format

    Examples # Enable FEAC signal detection on T3 channel 1 of interface CPOS 2/0/0. <Sysname> system-view [Sysname] controller cpos 2/0/0 [Sysname-Cpos2/0/0] t3 1 set feac detect # Enable T3 channel 1 of CPOS 2/0/0 to generate and send DS3 LOS alarm signals. <Sysname>...

  • Page 254: T3 Set Loopback

    t3 set loopback Use t3 set loopback to enable a type of loopback on the specified T3 channel. Use undo t3 set loopback to disable loopback. Syntax t3 t3-number set loopback { local | payload | remote } undo t3 t3-number set loopback Default Loopback is disabled.

  • Page 255

    Default The equipment ID and frame ID are line. Views CPOS interface view Default command level 2: System level Parameters t3-number: Specifies the number of a T3 channel on the current CPOS interface, in the range of 1 to 3. detect: Enables periodical maintenance data link (MDL) message detection on the specified T3 channel.

  • Page 256: Threshold

    [Sysname] controller cpos 2/0/0 [Sysname-Cpos2/0/0] t3 1 set mdl data lic hello # Enable transmission of MDL path messages on T3 channel 1 of CPOS 2/0/0. <Sysname> system-view [Sysname] controller cpos 2/0/0 [Sysname-Cpos2/0/0] t3 1 set mdl generate path threshold Use threshold to set the SD or SF alarm threshold for a CPOS interface.

  • Page 257: Using T3

    Syntax using e3 e3-number undo using e3 e3-number Default No serial interface is created for any E3 channel. Views CPOS interface view Default command level 2: System level Parameters e3-number: Number of an E3 channel on the current CPOS interface, in the range of 1 to 3. Examples # Create a serial interface corresponding to the unframed E3 channel 1 on interface CPOS 2/0/0.

  • Page 258

    [Sysname-Cpos2/0/0] interface serial 2/0/0/1:0 [Sysname-Serial2/0/0/1:0]...

  • Page 259: E-cpos Interace Configuration Commands

    E-CPOS interace configuration commands bandwidth Use bandwidth to set the intended bandwidth for the E-CPOS interface. Use undo bandwidth to restore the default. Syntax bandwidth bandwidth-value undo bandwidth Views E-CPOS interface view Default command level 2: System level Parameters bandwidth-value: Intended bandwidth for the E-CPOS interface, in the range of 1 to 4,294,967,295 kbps.

  • Page 260: Controller E-cpos

    Views E-CPOS interface view Default command level 2: System level Parameters master: Configures the E-CPOS interface to use the internal clock. slave: Configures the E-CPOS interface to use the clock from the line. Usage guidelines When an E-CPOS interface is connected to a SONET/SDH device, set the clock mode of the interface to slave because the clock of a SONET/SDH network is more precise.

  • Page 261

    Syntax default Views E-CPOS interface view Default command level 2: System level Usage guidelines CAUTION: The default command might interrupt ongoing network services. Make sure you are fully aware of the impacts of this command when you perform it on a live network. This command might fail to restore the default settings for some commands for reasons such as command dependencies and system restrictions.

  • Page 262: Display Controller E-cpos

    right angle bracket (>), hyphen (-), underscore(_), plus sign (+), equal sign (=), vertical bar (|), back slash (\), colon (:), semi-colon (;) quotation marks ("), apostrophe ('), comma (,), dot (.), and slash (/), spaces, and other Unicode characters and symbols. Examples # Set the description for E-CPOS interface E-CPOS 3/1/1 to ecpos-interface.

  • Page 263

    Table 32 Command output Field Description E-Cpos2/0/0 current state Current physical state of the E-CPOS interface. Description Description of the interface. Physical layer information of the E-CPOS interface: the framing Frame-format SDH, multiplex AU-3, clock format is set to SDH, AU-3 path is adopted (displayed when the master, loopback not set interface is channelized into E3/T3 lines), master clock mode (internal clock signal) is used, and loopback is disabled.

  • Page 264

    Examples # Set j0 to aa on interface E-CPOS 2/0/0 in SDH mode. <Sysname> system-view [Sysname] controller e-cpos 2/0/0 [Sysname-E-Cpos2/0/0] flag j0 sdh aa frame-format Use frame-format to configure the framing format of the current E-CPOS interface. Use undo frame-format to restore the default. Syntax frame-format { sdh | sonet } undo frame-format...

  • Page 265

    Views E-CPOS interface view Default command level 2: System level Parameters seconds: Sets the physical state change suppression interval on the E-CPOS interface, in the range of 0 to 10 seconds. The default is 0 seconds. Usage guidelines This command prevents frequent link state changes on an interface from affecting ongoing services. Examples # Set the physical state change suppression interval to 10 seconds on interface E-CPOS 2/0/0.

  • Page 266: Oc-12

    [Sysname-E-Cpos2/0/0] loopback remote oc-12 Use oc-12 to create a 622 Mbps channel with the specified number in the view of a 2.5 Gbps E-CPOS interface and enter the view of the 622 Mbps channel. If the specified 622 Mbps channel already exists, you enter the view of the 622 Mbps channel directly.

  • Page 267

    Examples # Create the 155 Mbps channel OC-3 1 on the 622 Mbps channel OC- 1 2 2 on 2.5 Gbps E-CPOS interface E-CPOS 2/0/0. <Sysname> system-view [Sysname] controller e-cpos2/0/0 [Sysname-E-Cpos2/0/0] oc-12 2 [Sysname-E-Cpos2/0/0-oc-12-2] oc-3 1 # Create 155 Mbps channel OC-3 2 on 622 Mbps E-CPOS interface E-CPOS 2/0/0. <Sysname>...

  • Page 268: Using { Oc-12 | Oc-12c }

    undo threshold { sd | sf } Default The SD alarm threshold is 10e-6 (the value argument takes 6) and the SF alarm threshold is 10e-3 (the value argument takes 3). Views E-CPOS interface view Default command level 2: System level Parameters sd: Sets the SD alarm threshold.

  • Page 269: Using { Oc-3 | Oc-3c }

    Parameters oc-12: Configures the 622 Mbps E-CPOS interface or 622 Mbps channel to operate in channelized mode. oc-12c: Configures the 622 Mbps E-CPOS interface or 622 Mbps channel to operate in concatenated mode. Examples # Configure the 622 Mbps interface E-CPOS 2/0/0 to operate in concatenated mode. <Sysname>...

  • Page 270

    [Sysname-E-Cpos2/0/0] using oc-3c # Configure the 155 Mbps channel OC-3 1 on 622 Mbps E-CPOS interface E-CPOS 2/0/0 to operate in concatenated mode. <Sysname> system-view [Sysname] controller e-cpos2/0/0 [Sysname-E-Cpos2/0/0] oc-3 1 [Sysname-E-Cpos2/0/0-oc-3-1] using oc-3c...

  • Page 271: Loopback And Null Interface Configuration Commands

    Loopback and null interface configuration commands bandwidth Use bandwidth to set the intended bandwidth for an interface. Use undo bandwidth to restore the default. Syntax bandwidth bandwidth-value undo bandwidth Views Loopback interface view, null interface view Default command level 2: System level Parameters bandwidth-value: Sets the intended bandwidth in the range of 1 to 4294967295 kbps.

  • Page 272

    Usage guidelines CAUTION: The default command might interrupt ongoing network services. Make sure you are fully aware of the impacts of this command when you use it in a live network. This command might fail to restore the default settings for some commands for reasons such as command dependencies and system restrictions.

  • Page 273: Display Interface Loopback

    width on the terminal software, the software starts a new line. This might break a Unicode character into two parts and create garbled characters at the end of a line. Examples # Set the description for interface loopback 1 to loopback1. <Sysname>...

  • Page 274

    <Sysname> display interface loopback 0 LoopBack0 current state: UP Line protocol current state: UP (spoofing) Description: LoopBack0 Interface The Maximum Transmit Unit is 1536 Internet protocol processing : disabled Physical is Loopback Last clearing of counters: Never Last 300 seconds input: 0 bytes/sec, 0 bits/sec, 0 packets/sec Last 300 seconds output: 0 bytes/sec, 0 bits/sec, 0 packets/sec...

  • Page 275: Display Interface Null

    Field Description Last 300 seconds output: 0 bytes/sec, 0 Average output rate over the last 300 seconds in Bps, bps, and bits/sec, 0 packets/sec pps. Total number and size (in bytes) of input packets on the interface 0 packets input, 0 bytes, 0 drops and the number of dropped packets.

  • Page 276

    Default command level 1: Monitor level Parameters 0: Specifies interface Null 0. The null interface number is fixed at 0, because the device has only one null interface. brief: Displays brief interface information. If you do not specify this keyword, this command displays detailed interface information.

  • Page 277: Interface Loopback

    Related commands interface null interface loopback Use interface loopback to create a loopback interface or enter loopback interface view. Use undo interface loopback to remove a loopback interface. Syntax interface loopback interface-number undo interface loopback interface-number Views System view Default command level 2: System level Parameters interface-number: Specifies a loopback interface by its number in the range of 0 to 1023.

  • Page 278: Reset Counters Interface Loopback

    Examples # Enter Null 0 interface view. <Sysname> system-view [Sysname] interface null 0 [Sysname-NULL0] Related commands display interface null reset counters interface loopback Use reset counters interface loopback to clear statistics for a loopback interface. Syntax reset counters interface loopback [ interface-number ] Views User view Default command level...

  • Page 279

    Usage guidelines Clear the existing statistics on the interface before starting to collect new traffic statistics. This command clears the statistics on interface Null 0 with or without the 0 keyword, because the device supports only one interface Null 0. Examples # Clear statistics for interface Null 0.

  • Page 280: Support And Other Resources

    Related information Documents To find related documents, browse to the Manuals page of the HP Business Support Center website: http://www.hp.com/support/manuals For related documentation, navigate to the Networking section, and select a networking category. •...

  • Page 281: Conventions

    Conventions This section describes the conventions used in this documentation set. Command conventions Convention Description Boldface Bold text represents commands and keywords that you enter literally as shown. Italic Italic text represents arguments that you replace with actual values. Square brackets enclose syntax choices (keywords or arguments) that are optional. Braces enclose a set of required syntax choices separated by vertical bars, from which { x | y | ...

  • Page 282

    Network topology icons Represents a generic network device, such as a router, switch, or firewall. Represents a routing-capable device, such as a router or Layer 3 switch. Represents a generic switch, such as a Layer 2 or Layer 3 switch, or a router that supports Layer 2 forwarding and other Layer 2 features.

  • Page 283: Index

    Index A B C D E F G I J L M N O P R S T U V W clock-change auto,62 code,74 Alarm,87 code,62 alarm (CT1 interface),101 code (CE1 interface),91 alarm (CT3 interface),161 code (CT1 interface),106 alarm-threshold,101 combo enable,1 controller cpos,206...

  • Page 284

    detect-ais,93 unframed,221 display controller cpos,208 e3 set clock,222 display controller cpos e1,210 e3 set loopback,222 display controller cpos e3,212 e3 set national-bit,223 display controller cpos t1,214 shutdown,224 display controller cpos t3,215 error-diffusion restraint config,95 display controller e1,94 error-diffusion restraint config,1 1 1 display controller e3,150 error-diffusion restraint...

  • Page 285

    frame-format (CE1 interface),97 link-protocol,199 frame-format (CT1 interface),1 13 loopback,199 frame-format (CT3 interface),171 loopback,256 alarm,136 loopback,67 alarm-threshold,136 loopback,231 bert,137 loopback,64 cable,138 loopback,23 clock,139 loopback,83 code,140 loopback (CE1 interface),99 data-coding,140 loopback (CE3 interface),158 fdl,141 loopback (CT1 interface),1 16 frame-format,142 loopback (CT3 interface),174 idlecode,143 loopback-detection action,37...

  • Page 286

    reset counters controller e3,160 t1 set clock,180 reset counters controller t1,1 16 t1 set clock,236 reset counters controller t3,176 t1 set fdl,181 reset counters interface,201 t1 set flag,236 reset counters interface,84 t1 set frame-format,237 reset counters interface,59 t1 set frame-format,181 reset counters interface,27 t1 set...

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