H3C MSR Series Command Reference Manual

Routers. layer 2 - wan command (v7)

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H3C MSR Series Routers

Layer 2 - WAN Command Reference(V7)

Hangzhou H3C Technologies Co., Ltd.

http://www.h3c.com

Software version: MSR-CMW710-R0007

Document version: 6W100-20140320

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Summary of Contents for H3C MSR Series

Page 1 H3C MSR Series Routers Layer 2 - WAN Command Reference(V7) Hangzhou H3C Technologies Co., Ltd. http://www.h3c.com Software version: MSR-CMW710-R0007 Document version: 6W100-20140320...
Page 2 Copyright © 2014, Hangzhou H3C Technologies Co., Ltd. and its licensors All rights reserved No part of this manual may be reproduced or transmitted in any form or by any means without prior written consent of Hangzhou H3C Technologies Co., Ltd.
Page 3 About the H3C MSR documentation set • Obtaining documentation • Technical support • • Documentation feedback These configuration guides apply to the following models of the H3C MSR series routers: Model • MSR 26-30 MSR 2600 • MSR 36- 1 0 •...
Page 4 An alert that provides helpful information. Port numbering in examples The port numbers in this document are for illustration only and might be unavailable on your device. About the H3C MSR documentation set The H3C MSR documentation set includes: Category...
Page 5 Obtaining documentation You can access the most up-to-date H3C product documentation on the World Wide Web at http://www.h3c.com. Click the links on the top navigation bar to obtain different categories of product documentation: [Technical Support & Documents > Technical Documents]—Provides hardware installation, software...
Page 6: Table Of Contents
Contents PPP and MP commands ··············································································································································· 1 PPP commands··································································································································································· 1 display ip pool ·························································································································································· 1 ip address ppp-negotiate ········································································································································· 2 ip pool ······································································································································································· 3 link-protocol ppp ······················································································································································· 4 ppp authentication-mode ········································································································································· 4 ppp chap password ················································································································································· 6 ...
Page 7 bandwidth ······························································································································································ 40 default ····································································································································································· 41 description ······························································································································································ 41 display interface virtual-ppp ································································································································· 42 display l2tp session ··············································································································································· 45 display l2tp tunnel ················································································································································· 46 interface virtual-ppp ·············································································································································· 47 l2tp enable ····························································································································································· 47 l2tp-auto-client ························································································································································...
Page 8 isdn spid auto-trigger ············································································································································ 93 isdn spid nit ···························································································································································· 93 isdn spid resend ···················································································································································· 94 isdn spid service ···················································································································································· 95 isdn spid timer ······················································································································································· 96 isdn spid1 ······························································································································································· 97 isdn spid2 ······························································································································································· 98 Modem management commands······························································································································...
Page 9 dialer priority ······················································································································································· 143 dialer queue-length ·············································································································································· 144 dialer route ··························································································································································· 145 dialer threshold ···················································································································································· 146 dialer timer autodial ············································································································································ 147 dialer timer compete ··········································································································································· 148 dialer timer enable ·············································································································································· 149 dialer timer idle ··················································································································································· 149 ...
Page 10: Ppp And Mp Commands
PPP and MP commands This feature is supported only on routers installed with SAE, AS, ASE, BS, E1, E1-F, T1, T1-F, POS, CPOS, CE3, or AM interface modules. For more information about interface modules, see H3C MSR Series Routers Interface Module Manual.
Page 11: Ip Address Ppp-Negotiate
Group name: a Pool name Start IP address End IP address Free In use aaa1 1.1.1.1 1.1.1.5 aaa2 1.1.1.6 1.1.1.10 # Display detailed information about the address pool bbb. <sysname> display ip pool bbb Group name: b Pool name Start IP address End IP address Free In use...
Page 12: Ip Pool
Examples # Enable IP address negotiation on Serial 2/0. <Sysname> system-view [Sysname] interface serial 2/0 [Sysname-Serial2/0] ip address ppp-negotiate Related commands ip address (Layer 3—IP Services Command Reference) • remote address • ip pool Use ip pool to configure an address pool. Use undo ip pool to remove an address pool or an IP address range of the address pool.
Page 13: Link-Protocol Ppp
Examples # Configure an address pool aaa that contains IP addresses 129.102.0.1 through 129.102.0.10 for the group a. <Sysname> system-view [Sysname] ip pool aaa 129.102.0.1 129.102.0.10 group a Related commands display ip pool link-protocol ppp Use link-protocol ppp to enable PPP encapsulation on an interface. Syntax link-protocol ppp Default...
Page 14 pap: Uses PAP authentication. call-in: Authenticates the call-in users only. This keyword can be configured when the local end serves as the receiving end of DDR calls. For more information about DDR, see Layer 2 WAN Access — Configuration Guide. domain isp-name: Specifies the ISP domain name for authentication, a case-insensitive string of 1 to 24 characters.
Page 15: Ppp Chap Password
ppp chap password Use ppp chap password to set the password for CHAP authentication. Use undo ppp chap password to cancel the configuration. Syntax ppp chap password { cipher | simple } password undo ppp chap password Default No password is set. Views Interface view Predefined user roles...
Page 16: Ppp Ipcp Dns
Views Interface view Predefined user roles network-admin Parameters username: Username for CHAP authentication, a case-sensitive string of 1 to 80 characters. The username is sent to the peer for the local device to be authenticated. Usage guidelines To pass CHAP authentication, the username/password of one side must be the local username/password on the peer.
Page 17: Ppp Ipcp Dns Admit-Any
If a host is connected to the device through PPP, you can execute the winipcfg command or the ipconfig /all command on the host to check the DNS server IP addresses assigned by the device. Examples # Set the primary and secondary DNS server IP addresses to 100.1.1.1 and 100.1.1.2 for the peer on interface Serial 2/0.
Page 18: Ppp Ipcp Dns Request
ppp ipcp dns request Use ppp ipcp dns request to enable a device to actively request its peer for the DNS server IP address through a port. Use undo ppp ipcp dns request to restore the default. Syntax ppp ipcp dns request undo ppp ipcp dns request Default A device does not actively request its peer for the DNS server IP address.
Page 19: Ppp Timer Negotiate
Predefined user roles network-admin Parameters username: Username of the local device for PAP authentication, a case-sensitive string of 1 to 80 characters. cipher: Sets a ciphertext password. simple: Sets a plaintext password. password: Specifies the password for PAP authentication. This argument is case sensitive. If simple is specified, it must be a string of 1 to 255 characters.
Page 20: Remote Address
Usage guidelines In PPP negotiation, if the local device receives no response from the peer during the timeout time after it sends a packet, the local device sends the last packet again. Examples # Set the PPP negotiation timeout time to 5 seconds. <Sysname>...
Page 21: Timer-Hold
[Sysname-Serial2/0] remote address 10.0.0.1 # Configure Serial 2/0 to assign an IP address from the address pool aaa to the client. <Sysname> system-view [Sysname] interface serial 2/0 [Sysname-Serial2/0] remote address pool aaa Related commands ip address ppp-negotiate • ip pool •...
Page 22: Default
Use undo bandwidth to restore the default. Syntax bandwidth bandwidth-value undo bandwidth Default The expected bandwidth (in kbps) is the interface baud rate divided by 1000. Views VT interface view, MP-group interface view Predefined user roles network-admin Parameters bandwidth-value: Specifies the expected bandwidth in the range of 1 to 400000000 kbps. Usage guidelines The expected bandwidth of an interface affects the link costs in OSPF, OSPFv3, and IS-IS.
Page 23: Description
This command might fail to restore the default settings for some commands for reasons such as command dependencies or system restrictions. Use the display this command in interface view to identify these commands, and then use their undo forms or follow the command reference to individually restore their default settings.
Page 24: Display Interface Mp-Group
display interface mp-group Use display interface mp-group to display information about a specified MP-group interface or all MP-group interfaces. Syntax display interface [ mp-group ] [ brief [ down | description ] ] display interface [ mp-group [ interface-number ] ] [ brief [ description ] ] Views Any view Predefined user roles...
Page 25 Last clearing of counters: Never Last 300 seconds input rate: 0 bytes/sec, 0 packets/sec Last 300 seconds output rate: 0 bytes/sec, 0 packets/sec Input: 0 packets, 0 bytes, 0 droped Output: 0 packets, 0 bytes, 0 droped # Display brief information about interface MP-group12. <Sysname>...
Page 26: Display Interface Virtual-Template
Field Description Last 300 seconds input rate: 0 bytes/sec, 0 packets/sec Average rate of input packets and output packets in the last 300 seconds. Last 300 seconds output rate: 0 bytes/sec, 0 packets/sec Total number of inbound packets of the interface (in the number of Input: 0 packets, 0 bytes, 0 droped packets and in bytes), and the number of dropped incoming packets.
Page 27 display interface virtual-template interface-number brief description ] ] [ Views Any view Predefined user roles network-admin network-operator Parameters interface-number: Specifies an existing VT interface by its number. brief: Displays brief interface information. If you do not specify this keyword, this command displays detailed interface information.
Page 28 Link: ADM - administratively down; Stby - standby Protocol: (s) - spoofing Interface Link Protocol Main IP Description DOWN DOWN # Display brief information about the VT interfaces in physically down state and the causes. <Sysname> display interface Virtual-Template brief down Brief information on interface(s) under route mode: Link: ADM - administratively down;...
Page 29: Display Ppp Mp
Field Description Total number of outbound packets of the interface (in the number of packets and in bytes), and the number of packets dropped outgoing Output: 0 packets, 0 bytes, 0 drops packets. Packet statistics are not performed for VT interfaces. Brief information on interface(s) under Brief information about Layer 3 interfaces.
Page 30: Interface Mp-Group
Parameters interface mp-group interface-number: Specifies an MP-group interface by its number. If no MP-group interface is specified, this command displays MP information for all MP-group interfaces. Examples # Display MP information. (MP is configured through an MP-group interface.) <Sysname> display ppp mp Template: MP-group1 max-bind: 20, fragment: enabled, min-fragment: 128 Bundle Multilink, Active members: 2, Master link: MP-group1...
Page 31: Interface Virtual-Template
undo interface mp-group mp-number Default No MP-group interface is created. Views System view Predefined user roles network-admin Parameters mp-number: Specifies a number for the MP-group interface. Usage guidelines The interface mp-group command is used together with the ppp mp mp-group command. You can execute the two commands in any order.
Page 32: Mtu
Usage guidelines To remove a VT interface, make sure all the corresponding VA interfaces are removed and the VT interface is not in use. Examples # Create interface Virtual-Template 10. <Sysname> system-view [Sysname] interface virtual-template 10 [Sysname-Virtual-Template10] Use mtu to set the MTU size of an interface. Use undo mtu to restore the default.
Page 33: Ppp Mp Fragment Disable
ppp mp fragment disable Use ppp mp fragment disable to disable MP fragmentation. Use undo ppp mp fragment disable restore the default. Syntax ppp mp fragment disable undo ppp mp fragment disable Default MP fragmentation is enabled. Views MP-group interface view Predefined user roles network-admin Usage guidelines...
Page 34: Ppp Mp Lfi Enable
Views MP-group interface view Predefined user roles network-admin Parameters time: Specifies the maximum LFI fragment transmission delay in the range of 1 to 1000 ms. Examples # Set the maximum LFI fragment transmission delay to 20 ms on interface MP-group 1. <Sysname>...
Page 35: Ppp Mp Lfi Size-Per-Frag
ppp mp lfi size-per-frag Use ppp mp lfi size-per-frag to set the maximum LFI fragment size (in bytes). Use undo ppp mp lfi size-per-frag to restore the default. Syntax ppp mp lfi size-per-frag size undo ppp mp lfi size-per-frag Default The maximum LFI fragment size depends on the configuration of the ppp mp lfi delay-per-frag command.
Page 36: Ppp Mp Min-Fragment
Predefined user roles network-admin Parameters max-bind-num: Specifies the maximum number of links allowed in an MP bundle, in the range of 1 to 128. Usage guidelines Use the default setting in normal cases. Inappropriate use of this command can cause PPP performance degradation.
Page 37: Ppp Mp Mp-Group
min-fragment command conforms to the hardware specifications for the MP bundle to be created and the sub-channel LCP link to be established successfully. Examples # Set the minimum MP packet fragmentation size to 500 bytes. <Sysname> system-view [Sysname] interface mp-group 1 [Sysname-MP-group1] ppp mp min-fragment 500 ppp mp mp-group Use ppp mp mp-group to assign an interface to an MP group, enabling the interface to operate in MP...
Page 38: Ppp Mp Sort-Buffer-Size
Syntax ppp mp short-sequence undo ppp mp short-sequence Default The long sequence number header format is used. Views Interface view Predefined user roles network-admin Usage guidelines This command applies to the incoming direction only. To enable the local end to transmit packets with short sequence numbers, configure this command on the remote end.
Page 39: Ppp Mp Timer Lost-Fragment
Usage guidelines The MP sort buffer size = the number of channels in the current MP bundle × size. You can use the display ppp mp command to view the number of member channels in an MP bundle. If the calculated MP sort buffer size is 20, the MP sort buffer can sort 20 packets.
Page 40: Reset Counters Interface Virtual-Template
Syntax reset counters interface [ mp-group [ interface-number ] ] Views User view Predefined user roles network-admin Parameters mp-group: Clears traffic statistics on MP-group interfaces. interface-number: Specifies an existing MP-group interface by its number. Usage guidelines Before collecting traffic statistics within a specific period of time on an MP-group interface, clear the existing statistics.
Page 41: Service
If you do not specify a card to forward the traffic of VA interfaces on a VT interface, the system automatically chooses the MPU to forward the traffic. Therefore, to reduce the load on the MPU, H3C recommends that you use this command to specify cards to forward traffic of VA interfaces.
Page 42: Shutdown
shutdown Use shutdown to shut down an MP-group interface. Use undo shutdown to bring up an MP-group interface. Syntax shutdown undo shutdown Default An MP-group interface is up. Views MP-group interface view Predefined user roles network-admin Examples # Shut down interface MP-group 3. <Sysname>...
Page 43: Pppoe Client Commands
PPPoE client commands display pppoe-client session packet Use display pppoe-client session packet to display the protocol packet statistics for a PPPoE session. Syntax display pppoe-client session packet [ dial-bundle-number number ] Views Any view Predefined user roles network-admin network-operator Parameters dial-bundle-number number: Specifies the dialer bundle number corresponding to a PPPoE session, in the range of 0 to 1023.
Page 44: Display Pppoe-Client Session Summary
Field Description OutDrops Number of discarded outgoing packets. Related commands reset pppoe-client session packet display pppoe-client session summary Use display pppoe-client session summary to display summary information about a PPPoE session. Syntax display pppoe-client session summary [ dial-bundle-number number ] Views Any view Predefined user roles...
Page 45: Pppoe-Client
Field Description PPPoE session state: • IDLE—Initialization state. • PADI SENT—A PPPoE Active Discovery Initiation (PADI) packet has been sent, and a PPPoE Active Discovery Offer (PADO) State packet is being expected. • PADR SENT—A PPPoE Active Discovery Request (PADR) packet has been sent, and a PPPoE Active Discovery Session-confirmation (PADS) packet is being expected.
Page 46: Reset Pppoe-Client
[Sysname-Virtual-Ethernet0] pppoe-client dial-bundle-number 1 # Establish a PPPoE session on VLAN interface 1. <Sysname> system-view [Sysname] interface vlan-interface 1 [Sysname-Vlan-interface1] pppoe-client dial-bundle-number 1 # Establish a PPPoE session on WLAN Ethernet interface WLAN-Ethernet 1. <Sysname> system-view [Sysname] interface wlan-ethernet 1 [Sysname-WLAN-Ethernet1] pppoe-client dial-bundle-number 1 reset pppoe-client Use reset pppoe-client to reset a PPPoE session corresponding to a dialer bundle.
Page 47 Predefined user roles network-admin Parameters dial-bundle-number number: Specifies the dialer bundle number corresponding to a PPPoE session, in the range of 0 to 1023. If this option is not specified, this command resets the protocol packet statistics for all PPPoE sessions. Examples # Reset the protocol packet statistics for all PPPoE sessions.
Page 48: L2Tp Commands
L2TP commands allow l2tp Use allow l2tp to configure an LNS to accept L2TP tunneling requests from a specified LAC, and to specify a VT interface for tunnel setup. Use undo allow to restore the default. Syntax For L2TP group 1: •...
Page 49: Bandwidth
H3C recommends that you configure a default L2TP group on the LNS in the following cases: • There are LACs (such as hosts with Windows 2000 Beta 2 installed) that include blank local names in their tunneling requests. The LNS sets up tunnels with multiple LACs by using the same tunnel parameters.
Page 50: Default
default Use default to restore the default settings for a virtual PPP interface. Syntax default Views Virtual PPP interface view Predefined user roles network-admin 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 execute it in a live network.
Page 51: Display Interface Virtual-Ppp
Parameters text: Specifies the interface description, a case-sensitive string of 1 to 80 characters. Examples # Set the description of Virtual-PPP 10 to virtual-interface. <Sysname> system-view [Sysname] interface virtual-ppp 10 [Sysname-Virtual-PPP10] description virtual-interface display interface virtual-ppp Use display interface virtual-ppp to display information about virtual PPP interfaces. Syntax display interface [ virtual-ppp ] [ brief [ down ] ] display interface [ virtual-ppp [ interface-number ] ] [ brief [ description ] ]...
Page 52 Internet Address is 10.0.0.1/24 Primary Link layer protocol: PPP LCP: initial Physical: L2TP Last clearing of counters: Never Last 300 seconds input rate: 0 bytes/sec, 0 bits/sec, 0 packets/sec Last 300 seconds output rate: 0 bytes/sec, 0 bits/sec, 0 packets/sec Input: 154 packets, 1880 bytes, 0 drops Output: 155 packets, 1875 bytes, 0 drops Table 7 Command output...
Page 53 Protocol: (s) - spoofing Interface Link Protocol Main IP Description VPPP10 DOWN 10.0.0.1 Virtual-PPP10 Interface # Display information about the virtual PPP interfaces in physically down state and the causes. <Sysname> display interface virtual-ppp brief down Brief information on interface(s) under route mode: Link: ADM - administratively down;...
Page 54: Display L2Tp Session
Field Description Causes for the physical state of the interface to be Down: • Not connected—No physical connection exists (possibly because the L2TP negotiation fails or insufficient configuration exists to trigger L2TP Cause negotiation). • Administratively—The interface was shut down by using the shutdown command.
Page 55: Display L2Tp Tunnel
Field Description Session state: • Idle. • Wait-tunnel—Waits for the tunnel to be established. • Wait-reply—Waits for an Incoming-Call-Reply (ICRP) State message indicating the call is accepted. • Wait-connect—Waits for an Incoming-Call-Connected (ICCN) message. • Established. display l2tp tunnel Use display l2tp tunnel to display information about L2TP tunnels. Syntax display l2tp tunnel [ statistics ] Views...
Page 56: Interface Virtual-Ppp
Field Description Sessions Number of sessions within the tunnel. RemoteAddress IP address of the peer. RemotePort UDP port number of the peer. RemoteName Name of the tunnel peer. Related commands reset l2tp tunnel interface virtual-ppp Use interface virtual-ppp to create a virtual PPP interface and enter its view. If the interface has been created, you directly enter its view.
Page 57: L2Tp-Auto-Client
undo l2tp enable Default The L2TP function is disabled. Views System view Predefined user roles network-admin Usage guidelines L2TP must be enabled for relevant L2TP configurations to take effect. Examples # Enable the L2TP function. <Sysname> system-view [Sysname] l2tp enable l2tp-auto-client Use l2tp-auto-client to trigger an LAC to automatically establish an L2TP tunnel.
Page 58: L2Tp-Group
[Sysname-Virtual-PPP1] l2tp-auto-client l2tp-group 10 Related commands l2tp-group l2tp-group Use l2tp-group to create an L2TP group and enter its view. Use undo l2tp-group to remove an L2TP group. Syntax l2tp-group group-number [ mode { lac | lns } ] undo l2tp-group group-number Default No L2TP group exists.
Page 59: Lns-Ip
lns-ip Use lns-ip to specify LNS IP addresses on an LAC. Use undo lns-ip to remove the specified LNS IP addresses. Syntax lns-ip { ip-address }&<1-5> undo lns-ip Default No LNS IP addresses are specified. Views L2TP group view Predefined user roles network-admin Parameters { ip-address }&<1-5>: Specifies LNS IP addresses.
Page 60: Mandatory-Lcp
Predefined user roles network-admin Usage guidelines The LNS uses the LAC as an authentication proxy. The LAC sends the LNS all user authentication information from users and the authentication method configured on the LAC itself. The LNS then checks the user validity according to the received information and the locally configured authentication method. When mandatory CHAP authentication is configured, a user who depends on an LAC to initiate tunneling requests is authenticated by both the LAC and the LNS for increased security.
Page 61: Reset Counters Interface Virtual-Ppp
If you do not expect the LNS to accept LCP negotiation parameters, configure this command to perform a new round of LCP negotiation between the LNS and the user. In this case, the information sent by the LAC will be ignored. Some users might not support LCP renegotiation.
Page 62: Reset L2Tp Tunnel
reset l2tp tunnel Use reset l2tp tunnel to disconnect a tunnel and all sessions within the tunnel. Syntax reset l2tp tunnel { id tunnel-id | name remote-name } Views User view Predefined user roles network-admin Parameters id tunnel-id: Specifies a tunnel by its local ID in the range of 1 to 65535. name remote-name: Specifies L2TP tunnels by the tunnel peer name, a case-sensitive string of 1 to 31 characters.
Page 63: Shutdown
Views Virtual PPP interface view Predefined user roles network-admin Parameters slot slot-number: Specifies a card by its slot number. Usage guidelines The service command affects only L2TP data messages. The control messages are always processed on the active MPU. If a card is specified to process traffic for a virtual PPP interface, all traffic forwarded through this virtual PPP interface is encapsulated and decapsulated on the card or IRF member device.
Page 64: Tunnel Authentication
tunnel authentication Use tunnel authentication to enable the L2TP tunnel authentication function. Use undo tunnel authentication to disable the L2TP tunnel authentication function. Syntax tunnel authentication undo tunnel authentication Default L2TP tunnel authentication is enabled. Views L2TP group view Predefined user roles network-admin Usage guidelines Tunnel authentication prevents the local end from establishing L2TP tunnels with illegal remote ends.
Page 65: Tunnel Flow-Control
Usage guidelines L2TP uses Attribute Value Pairs (AVPs) to transmit tunnel negotiation parameters, session negotiation parameters, and user authentication information. This feature can hide sensitive AVP data, such as user passwords. With this feature enabled, AVP data is encrypted before transmission with the key configured by using the tunnel password command.
Page 66: Tunnel Name
<Sysname> system-view [Sysname] l2tp-group 1 mode lac [Sysname-l2tp1] tunnel flow-control tunnel name Use tunnel name to specify the local tunnel name. Use undo tunnel name to restore the default. Syntax tunnel name name undo tunnel name Default The local tunnel name is the device name. For more information about the device name, see Fundamentals Configuration Guide.
Page 67: Tunnel Timer Hello
Predefined user roles network-admin Parameters cipher: Sets a ciphertext key. simple: Sets a plaintext key. password: Specifies the key for tunnel authentication. This argument is case-sensitive. cipher is specified, it must be a ciphertext string of 1 to 53 characters. If simple is specified, it must be a string of 1 to 16 characters.
Page 68: Ip Dscp
You can set different Hello intervals for the LNS and LAC. Examples # Set the Hello interval to 90 seconds. <Sysname> system-view [Sysname] l2tp-group 1 mode lac [Sysname-l2tp1] tunnel timer hello 90 ip dscp Use ip dscp to configure the DSCP value of L2TP packets. Use undo ip dscp to restore the default.
Page 69: User
Default The polling interval is 10 seconds. Views Virtual PPP interface view Predefined user roles network-admin Parameters seconds: Specifies the interval at which the LAC or the LNS sends keepalive packets, in the range of 0 to 32767 seconds. Usage guidelines A virtual PPP interface periodically sends keepalive packets to the peer.
Page 70: Vpn-Instance
fullusername user-name: Specifies that the LAC initiate tunneling requests to the LNS when the username of a user matches a configured full username. The domain-name argument represents the username of the user and is a case-sensitive string of 1 to 255 characters. Usage guidelines This command is available only to L2TP groups in LAC mode.
Page 71 [Sysname] l2tp-group 1 mode lac [Sysname-l2tp1] vpn-instance vpn1 Related commands ip vpn-instance (MPLS Command Reference) • ip binding vpn-instance (MPLS Command Reference) •...
Page 72: Hdlc Commands
HDLC commands This feature is supported only on routers installed with SAE, E1, E1-F, T1, T1-F, POS, CPOS, CT3, or CE3 interface modules. For more information about interface modules, see H3C MSR Series Routers Interface Module Manual. link-protocol hdlc Use link-protocol hdlc to enable HDLC encapsulation on an interface.
Page 73 Setting the link status polling interval to 0 disables link status check. H3C recommends that you set the same interval for the two ends of a link. If the network has a long delay or is experiencing congestion, you can increase the polling interval to prevent the link from being closed.
Page 74: Isdn Commands
ISDN commands This feature is supported only on routers installed with BS, BU, E1, or T1 interface modules. For more information about interface modules, see H3C MSR Series Routers Interface Module Manual. display isdn active-channel Use display isdn active-channel to display calling information for calls successfully established through Q.931 on an ISDN interface.
Page 75: Display Isdn Call-Info
# Display calling information for calls successfully established through Q.931 on PRI Serial 5/1:15. <Sysname> display isdn active-channel interface serial 5/1:15 Serial5/1:15 Serial5/1:15 Channel Info: B2 Call Property: Digital Call Type: Out Calling Number: 8306001 Calling Subaddress: Called Number: 8306002 Called Subaddress: Start Time: 13-02-14 12:22:26 Time Used: 00:11:20...
Page 76 Usage guidelines The output shows ISDN protocol information at each layer on one or all interfaces. ISDN protocols include Q.921, Q.931, and CC. You can use this command to troubleshoot problems. Examples # Display calling information on BRI 2/0. <Sysname> display isdn call-info interface bri 2/0 Bri2/0(User-side): ACTIVE Link Layer 1: TEI = 65, State = MULTIPLE_FRAME_ESTABLISHED Link Layer 2: TEI = NONE, State = TEI_UNASSIGNED...
Page 77 Field Description Terminal endpoint identifier that indentifies a terminal or user side device such as an ISDN phone. A TEI is assigned by a network side device. Current state of the Layer 2 link of the ISDN interface: • TEI_UNASSIGNED—The TEI is not assigned. •...
Page 78: Display Isdn Spid
Field Description Current state of the Layer 3 link of the BRI interface: • NULL—No call exists. • CALL_INITIATED—Initiates call establishment. • OVERLAP_SENDING—Sends called number in overlap mode. • OUTGOING_CALL_PROCEEDING—Outgoing call is proceeding. • CALL_DELIVERED—The remote user alerting has been initiated but the call has not been answered yet.
Page 79 network-operator Parameters interface interface-type interface-number: Specifies a BRI that runs the NI protocol by its type and number. If you do not specify an interface, this command displays SPID information on all the NI-supported BRIs. Usage guidelines You can execute this command to display information such as the SPID type and SPID value when ISDN is running.
Page 80: Isdn Bch-Local-Manage
Table 13 Command output Field Description SPID type: • NIT—Not initial terminal mode. SPID Type • STATIC—Static mode that has only the L3 initialization process. • AUTO—Dynamic mode that includes both the negotiation and the L3 initialization. SPID B1 SPID information for the B1 channel on the BRI. SPID B2 SPID information for the B2 channel on the BRI.
Page 81: Isdn Bch-Select-Way
Proper channel management can improve call efficiency and reduce call loss. Normally, the centralized B channel management provided by the PBX works well. H3C recommends that you use the management function provided by the PBX in most cases, despite that the ISDN module provides the channel management function as well.
Page 82: Isdn Bri-Slipwnd-Size
Parameters ascending: Selects ISDN B channels in ascending order. descending: Selects ISDN B channels in descending order. Usage guidelines The executing of this command does not take effect when the PBX manages ISDN B channels, or without configuring the isdn bch-local-manage command on the user side. Examples # Set the B channel selection method on BRI 2/0 to descending order.
Page 83: Isdn Caller-Number
<Sysname> system-view [Sysname] interface bri 1/0 [Sysname-Bri1/0] isdn bri-slipwnd-size 7 Related commands isdn pri-slipwnd-size isdn caller-number Use isdn caller-number to configure a permitted calling number for incoming calls. Use undo isdn caller-number to delete the configured calling number. Syntax isdn caller-number caller-number undo isdn caller-number Default ISDN accepts all incoming calls without checking the calling numbers in setup messages..
Page 84: Isdn Carry Calling-Name
Default No calling number is carried in messages that a calling party transmits. Views ISDN interface view Predefined user roles network-admin Parameters calling-number: Specifies the calling number, a case-insensitive string of 1 to 24 characters.. Usage guidelines After the calling party sends the calling number to the called party, the called party can see the calling number through the display isdn call-info command.
Page 85: Isdn Carry Connected-Name
You can execute this command only if no call exists on an ISDN interface. Examples # Configure ISDN to include the calling-name field in outgoing packets on interface BRI 2/0. <Sysname> system-view [Sysname] interface bri 2/0 [Sysname-Bri2/0] isdn carry calling-name Related commands isdn carry connected-name isdn carry connected-name...
Page 86: Isdn Ignore Connect-Ack
Syntax isdn crlength call-reference-length undo isdn crlength Default The call reference length is 2 bytes for CE1/PRI and CT1/PRI interfaces and 1 byte for BRI interfaces. Views ISDN interface view Predefined user roles network-admin Parameters call-reference-length: Specifies the ISDN call reference length, taking a value of 1 or 2 bytes. Usage guidelines Call reference is equal to the sequence number that the ISDN protocol assigns to each call, 1 or 2 bytes in length and can be used cyclically.
Page 87: Isdn Ignore Hlc
Default When the device is communicating with a PBX: ISDN must wait for a CONNECT ACK message in response to a CONNECT message before it can • switch to the ACTIVE state to start data and voice service communications. • ISDN needs to reply to the peer with a CONNECT ACK message after receiving a CONNECT message.
Page 88: Isdn Ignore Llc
Views ISDN interface view Predefined user roles network-admin Usage guidelines When the device is communicating with a PBX, its settings must be the same as those on the PBX. You can execute this command only if no call exists on the ISDN interface. Examples # Disable ISDN from carrying the HLC information element in setup messages for voice calls placed on BRI 2/0.
Page 89: Isdn Ignore Sending-Complete
isdn ignore sending-complete Use isdn ignore sending-complete to configure the ISDN protocol to ignore the sending complete information element in setup messages when receiving a call, or to send setup messages without the sending complete information element when placing a call. Use undo isdn ignore sending-complete to restore the default.
Page 90: Isdn L3-Timer
# Send setup messages without the sending complete information element on BRI 2/0. [Sysname-Bri2/0] isdn ignore sending-complete outgoing Related commands isdn protocol-type isdn l3-timer Use isdn l3-timer to set the timeout value of an ISDN L3 timer. Use undo isdn l3-timer to restore the default. Syntax isdn l3-timer timer-name time-interval undo isdn l3-timer { timer-name | all }...
Page 91: Isdn Number-Property
Usage guidelines Timers T302 and T304 are associated with the overlap sending and receiving state, respectively for a call. If the ISDN network layer protocol does not support overlap sending, the timer configuration for T302 and T304 is not supported. The AT&T, NTT, NI2, and 5ESS protocols do not support the timer configuration for T302 and T304.
Page 92 Table 15 Types and code schemes for ISDN numbers Field (Bit) value Protocol Definition Type Code scheme Calling number information element Type—N/A Code scheme—Unknown Calling number information element Type—N/A Code scheme—ISDN/telephony numbering plan ( Recommendation E.164) Calling number information element Type—N/A Code scheme—Data numbering plan ( Recommendation X.121)
Page 93 Field (Bit) value Protocol Definition Type Code scheme Calling number information element or called number information element Type—N/A Code scheme—Unknown Calling number information element or called number information element Type—N/A Code scheme—ISDN/telephony numbering plan ( Recommendation E.164) Calling number information element or called number information element Type—N/A Code scheme—Data numbering plan ( Recommendation...
Page 94 Field (Bit) value Protocol Definition Type Code scheme Calling number information element Type—Unknown Code scheme—Data numbering plan ( Recommendation X.121) Calling number information element Type—Unknown Code scheme—Telex numbering plan (Recommendation F.69) Calling number information element Type—Unknown Code scheme—National standard numbering plan Calling number information element Type—Unknown Code scheme—Private numbering plan...
Page 95 Field (Bit) value Protocol Definition Type Code scheme Calling number information element Type—National number Code scheme—ISDN/telephony numbering plan (Recommendation E.164) Calling number information element Type—Subscriber number Code scheme—ISDN/telephony numbering plan (Recommendation E.164) Calling number information element Type—International number Code scheme—Data numbering plan (Recommendation X.121) Calling number information element Type—Subscriber number...
Page 96 Field (Bit) value Protocol Definition Type Code scheme Calling number information element or called number information element Type—N/A Code scheme—Unknown Calling number information element or called number information element Type—N/A Code scheme—ISDN/telephony numbering plan (Recommendation E.164) Calling number information element or called number information element Type—N/A Code scheme—Data numbering plan (Recommendation...
Page 97 Field (Bit) value Protocol Definition Type Code scheme Calling number information element or called number information element Type—Network specific number Code scheme—ISDN/telephony numbering plan (Recommendation E.164) Calling number information element or called number information element Type—Unknown Code scheme—Private numbering plan Calling number information element or called number information element Type—International number...
Page 98: Isdn Overlap-Sending
[Sysname] interface bri 2/0 [Sysname-Bri2/0] isdn number-property 0 called out isdn overlap-sending Use isdn overlap-sending to set the system to send the called number in overlap mode on an ISDN interface. Use undo isdn overlap-sending to restore the default. Syntax isdn overlap-sending [ digits ] undo isdn overlap-sending Default...
Page 99: Isdn Progress-To-Alerting Enable
Default The sliding window size of a PRI is 7. Views ISDN interface view Predefined user roles network-admin Parameters window-size: Specifies the sliding window size in the range of 5 to 64. Usage guidelines Frames in the Q.921 buffer are sent in sequence. A frame can be sent only when the previous frame is acknowledged.
Page 100: Isdn Protocol-Mode
Predefined user roles network-admin Usage guidelines When ISDN is processing a voice call, an alerting message is used as the called user alerting indication defined by the standard protocol. However, some devices use a progress message as the user alerting indication.
Page 101: Isdn Protocol-Type
Examples # Set the protocol mode for interface BRI 2/0 to the network side mode. <Sysname> system-view [Sysname] interface bri 2/0 [Sysname-Bri2/0] isdn protocol-mode network isdn protocol-type Use isdn protocol-type to set the ISDN protocol to be run on an ISDN interface. Use undo isdn protocol-type to restore the default.
Page 102: Isdn Spid Auto-Trigger
# Set ISDN 5ESS to be run on Serial 1/0:23. <Sysname> system-view [Sysname] interface serial 1/0:23 [Sysname-Serial1/0:23] isdn protocol-type 5ess Related commands isdn protocol-mode isdn spid auto-trigger Use isdn spid auto-trigger to trigger SPID autonegotiation once on a BRI that runs the NI protocol. Syntax isdn spid auto-trigger Default...
Page 103: Isdn Spid Resend
undo isdn spid nit Default A BRI does not use the NIT mode. The SPID negotiation is used instead. Views ISDN BRI interface view Predefined user roles network-admin Usage guidelines Use this command only on a BRI that runs the NI protocol. A BRI that runs the NI protocol can initiate a call only after SPID negotiation or initialization.
Page 104: Isdn Spid Service
Parameters times: Specifies the number of INFORMATION message retransmission attempts, in the range of 1 to 255. Usage guidelines Use this command only on a BRI that runs the NI protocol. A BRI that runs the NI protocol can initiate a call only after SPID negotiation or initialization. The timer TSPID is started after the device initiates a SPID negotiation or initialization request by sending an INFORMATION message.
Page 105: Isdn Spid Timer
During the dynamic negotiation, if the PBX provides multiple SPIDs to the device, the device selects a SPID according to the service type of the current configuration. The SPID that simultaneously supports speech and data services takes precedence by default. If you configure the isdn spid service data command, the device selects the SPID that supports the data service.
Page 106: Isdn Spid1
[Sysname] interface bri 2/0 [Sysname-Bri2/0] isdn spid timer 50 Related commands isdn spid resend isdn spid1 Use isdn spid1 to configure SPID information for the B1 channel on a BRI that runs the NI protocol. Use undo isdn spid1 to remove SPID information for the B1 channel on the BRI. Syntax isdn spid1 spid [ ldn ] undo isdn spid1...
Page 107: Isdn Spid2
isdn spid2 • isdn spid2 Use isdn spid2 to configure SPID information for the B2 channel on a BRI that runs the NI protocol. Use undo isdn spid2 to remove SPID information for the B2 channel on the interface. Syntax isdn spid2 spid [ ldn ] undo isdn spid2 Default...
Page 108: Modem Management Commands
Modem management commands country-code Use country-code to set the modem country code on an AM interface. Use undo country-code to restore the default. Syntax country-code area-name undo country-code Default The country code is united-states. Views AM interface view Predefined user roles network-admin Parameters area-name: Specifies a country code.
Page 109: Modem Answer-Timer
<Sysname> system-view [Sysname] interface analogmodem 2/0 [Sysname-Analogmodem2/0] country-code china modem answer-timer Use modem answer-timer to set the answer timeout timer for establishing a dial-up connection. Use undo modem answer-timer to restore the default. Syntax modem answer-timer time undo modem answer-timer Default The answer timeout timer is 60 seconds.
Page 110: Modem Auto-Answer
modem auto-answer Use modem auto-answer to enable auto-answer mode. Use undo modem auto-answer to disable auto-answer mode. Syntax modem auto-answer undo modem auto-answer Default Auto-answer mode is disabled. The modem answers a call only when it receives the AT command from the router.
Page 111: Modem Caller-Number Resolve
Syntax modem callback undo modem callback Default The callback function is disabled. Views System view Predefined user roles network-admin Usage guidelines The callback function enables a modem to disconnect an incoming call and calls back the calling party on request. Examples # Enable the callback function.
Page 112: Modem Enable
This command is for point of sale (POS) terminal access services. It is available only on TTY lines for AM interfaces. Configure this command if a bank front end processor requires the router to send the call numbers of POS terminals for acknowledgement before it accepts data from the terminals.
Page 113: Sendat
Asynchronous/synchronous serial interface operating in asynchronous mode • AUX line This command is not available on the console or VTY lines. Examples # Configure user line 1 for incoming modem calls. <Sysname> system-view [Sysname] line tty 1 [Sysname-line-tty1] modem enable call-in sendat Use sendat to issue an AT command to a modem.
Page 114 Table 16 describes commonly used AT commands. Support for AT commands varies with modems. Table 16 AT commands in common use Command Description Forces the modem to go off-hook in answer mode. If a call is coming in, the modem will try to answer it without waiting for the ringtone.
Page 115 Command Description Sets the speaker mode for fax and data communication. Available options: • M0—Speaker is always off. • M1—Speaker is on until the carrier is detected. This option is the default. • M2—Speaker is on when the modem is off-hook. •...
Page 116 [Sysname] interface serial 2/0 [Sysname-Serial2/0] physical-mode async [Sysname-Serial2/0] sendat ATDT169...
Page 117: 3G Modem Commands
3G modem commands controller cellular Use controller cellular to enter cellular interface view. Syntax controller cellular number Views System view Predefined user roles network-admin Parameters number: Specifies a cellular interface by its number. Examples # Enter Cellular 0/0 interface view. <Sysname>...
Page 118: Display Cellular
<Sysname> system-view [Sysname] controller cellular 0/0 [Sysname-Cellular0/0] description Cellular-intf display cellular Use display cellular to display the call connection information of a 3G modem. Syntax display cellular interface-number Views Any view Predefined user roles network-admin network-operator Parameters interface-number: Specifies a cellular interface by its number. Usage guidelines If no cellular interface is specified, call connection information for all 3G modems is displayed.
Page 119 Packet Session Status: Inactive Current Roaming Status: Roaming Network Selection Mode: Manual Network Connection Mode: WCDMA precedence Current Network Connection: HSDPA and HSUPA Mobile Country Code (MCC): 460 Mobile Network Code (MNC): 00 Location Area Code (LAC): 4318 Cell ID: 25381 Radio Information: Current Band: ANY Current RSSI: -51 dBm...
Page 120 Field Description PDP data compression mode: • Data Compression On—Enables PDP data compression. • Off—Disables PDP data compression. Packet session status: • Packet Session Status Active—The 3G Modem is transmitting data through PPP. • Inactive—The 3G modem is physically down. DM monitoring status: •...
Page 121 Field Description The MCC is displayed if the modem has found the network. For example, the Mobile Country Code (MCC) MCC of Mainland China is 460. Mobile Network Code The MNC is displayed if the modem is successfully registered with the network. (MNC) For example, the code of the GSM network of China Mobile is 00.
Page 122 Packet Session Status: Active Network Information: Current Service Status: Service available Network Selection Mode: Automatic Network Connection Mode: TD-SCDMA precedence Current Network Connection: HSDPA Mobile Network Name: CHINA MOBILE Downstream Bandwidth: 2800000 bps Radio Information: Current RSSI: -75 dBm Modem Security Information: PIN Verification: Disabled PIN Status: Ready Number of Retries remaining: 3...
Page 123 Field Description Access Point Name (APN) Packet session status: • Packet Session Status Active—The 3G Modem is transmitting data through PPP. • Inactive—The 3G modem is physically down. Service status of the 3G modem: • Service available—The modem is providing services correctly. •...
Page 124 Field Description SIM card status: • OK—The SIM card is normal. SIM Status • Network Reject—The SIM card is denied access to the network. The cellular interface is unavailable. • Not Insert—The SIM card is absent. The cellular interface is unavailable. # Display the call connection information on Cellular 0/0 (CDMA network).
Page 125 Field Description Service status of the 3G modem: • Service available—The modem is providing services correctly. • Emergency—The modem is providing limited services. The Current Service Status cellular interface is unavailable. • No service—The modem cannot provide services. The cellular interface is unavailable. •...
Page 126: Display Controller Cellular
Related commands mode cdma • mode td-scdma • • mode wcdma pin modify • pin unlock • pin verification enable • pin verify • • plmn select profile create • display controller cellular Use display controller cellular to display information about a cellular interface. Syntax display controller [ cellular [ interface-number ] ] Views...
Page 127: Dm-Port Open
RX: 0 packets, 0 errors PPP channel 0 traffic statistics: TX: 0 packets, 0 errors RX: 0 packets, 0 errors Table 20 Command output Field Description Status of the interface: • Administratively DOWN—The interface is administratively down, which means the interface has been shut down by using the shutdown command.
Page 128: Mode Cdma
Use undo dm-port open to disable DM on a 3G modem. Syntax dm-port open undo dm-port open Default The default setting depends on the modem model. Views Cellular interface view Predefined user roles network-admin Usage guidelines Enabling diagnostic and monitoring (DM) on a 3G modem allows third-party debugging tools to diagnose and monitor the 3G modem through cellular interface debugging output.
Page 129: Mode Td-Scdma
EV-DO refers to CDMA2000 1xEV-DO network, which is optimized packet data service and high frequency efficiency CDMA radio technology. It provides high data transfer services, but not voice services. A hybrid of the 1xRTT network and the EV-DO network combines the advantages of the two networks to provide users with both voice services and high data transfer services.
Page 130: Mode Wcdma
mode wcdma Use mode wcdma to specify the network service to which a 3G modem connects on the WCDMA network. Syntax mode wcdma { gsm-only | gsm-precedence | wcdma-only | wcdma-precedence } Default The default setting depends on the modem model. Views Cellular interface view Predefined user roles...
Page 131: Modem Response
Examples # Manually reboot a 3G modem. <Sysname> system-view [Sysname] controller cellular 0/0 [Sysname-Cellular0/0] modem reboot modem response Use modem response to configure the response timeout and the threshold for the number of consecutive timeouts to enable automatic reboot of a 3G modem. Use undo modem response to restore the default.
Page 132: Pin Unlock
Syntax pin modify current-pin new-pin Views Cellular interface view Predefined user roles network-admin Parameters current-pin: Specifies the current PIN of the SIM/UIM card of a 3G modem, a string of 4 to 8 digits. new-pin: Specifies the new PIN, a string of 4 to 8 digits. Usage guidelines Execute the pin verify command to save the new PIN on the device.
Page 133: Pin Verification Enable
new-pin: Specifies the new PIN, a string of 4 to 8 digits. Usage guidelines A SIM/UIM card will be locked temporarily in the following circumstances: Consecutive PIN modification failures. • Consecutive failures for enabling or disabling PIN authentication. • • Consecutive PIN authentication failures.
Page 134: Pin Verify
Executing the modem reboot command to reboot a 3G modem. • • Hot swapping a USB 3G modem. Cold booting the device where a SIC-3G modem is installed. • If PIN authentication is enabled, you need to execute the pin verify command to save the PIN on the device to complete automatic PIN authentication.
Page 135: Plmn Search
Consecutive PIN authentication failures might lock a SIM/UIM card. To unlock the card, execute the pin unlock command. This command saves the PIN on the device, which enables automatic PIN authentication when required. Therefore, you can execute this command before or after enabling PIN authentication. Examples # Configure the PIN of a 3G modem for authentication.
Page 136: Plmn Select
Field Description Mobile Country Code. Mobile Network Code. Status of the mobile networks: • Current. Status • Available. • Forbidden. Type Type of the network. Related commands • display cellular plmn select • plmn select Use plmn select to configure the mobile network searching mode. Syntax plmn select { auto | manual mcc mnc } Default...
Page 137: Profile Create
profile create Use profile create to create a parameter template, which is a profile, for the 3G modem. Syntax profile create profile-number { dynamic | static apn } authentication-mode { none | { chap | pap } user username [ password password ] } Default The default setting depends on the modem model.
Page 138: Profile Delete
profile delete • profile delete Use profile delete to delete a parameter template for the 3G modem. Syntax profile delete profile-number Views Cellular interface view Predefined user roles network-admin Parameters profile-number: Specifies a profile by its number. Its value is fixed at 1. Examples # Delete a parameter template for Cellular 0/0.
Page 139: Sendat
Examples # Clear statistics on Cellular 0/0. <Sysname> reset counters controller cellular 0/0 Related commands display controller cellular sendat Use sendat to issue a configuration directive to a 3G modem. Syntax sendat at-string Views Cellular interface view Predefined user roles network-admin Parameters at-string: Specifies a configuration directive string, a string of 1 to 300 characters.
Page 140: Serial-Set
[Sysname] controller cellular 0/2 [Sysname-Cellular0/2] sendat cns00000500000000000000 serial-set Use serial-set to channelize a cellular interface into a synchronous/asynchronous serial interface. Use undo serial-set to delete a synchronous/asynchronous serial interface channelized from a cellular interface. Syntax serial-set set-number undo serial-set set-number Views Cellular interface view Predefined user roles...
Page 141 Examples # Shut down Cellular 0/0. <Sysname> system-view [Sysname] interface cellular 0/0 [Sysname-Cellular0/0] shutdown...
Page 142: Ddr Commands
DDR commands bandwidth Use bandwidth to configure the expected bandwidth of an interface. Use undo bandwidth to restore the default. Syntax bandwidth bandwidth-value undo bandwidth Default The expected bandwidth (in kbps) is the interface baud rate divided by 1000. Views Dialup interface (physical interface or dialer interface) view Predefined user roles network-admin...
Page 143: Description
CAUTION: The default command might interrupt ongoing network services. Make sure you are fully aware of the impacts of this command before using it on a live network. This command might fail to restore the default settings for some commands for reasons such as command dependencies or system restrictions.
Page 144: Dialer Bundle-Member
Syntax dialer bundle enable undo dialer bundle enable Default No DDR is enabled on a dialer interface. Views Dialer interface view Predefined user roles network-admin Usage guidelines DDR includes C-DDR and B-DDR. Before using B-DDR, you must use this command to enable B-DDR on a dialer interface and then assign physical interfaces to the corresponding dialer bundle by using the dialer bundle-member command.
Page 145: Dialer Callback-Center
Predefined user roles network-admin Parameters number: Specifies the dialer bundle number, which is the same as the dialer interface number. priority priority: Specifies the priority of a physical interface in the dialer bundle, in the range of 1 to 255. The higher the number, the higher the priority.
Page 146: Dialer Call-In
placing a return call, DDR needs to identify the dial string to be used by comparing the remote username obtained in PPP negotiation against the local user database for a match. Usage guidelines This command is mandatory on the PPP callback server. With both references configured, the device always attempts to place return calls in the user reference approach, and in case failure occurs, place return calls in the dial number reference approach.
Page 147: Dialer Circular Enable
Parameters remote-number: ISDN calling number, a case-insensitive string of 1 to 30 characters. The asterisks (*) represent any characters. callback: Enables the device to place a return call if an ISDN calling number matches the number specified by the remote-number argument (starting with the rightmost character). Usage guidelines When receiving an incoming ISDN call, the device with the dialer call-in command configured first verifies that the caller is valid before processing the call.
Page 148: Dialer Circular-Group
The undo dialer circular enable command clears all DDR configurations on a dialer interface. Examples # Enable C-DDR on interface Serial 2/0. <Sysname> system-view [Sysname] interface serial 2/0 [Sysname-Serial2/0] dialer circular enable Related commands dialer bundle enable • dialer circular-group •...
Page 149: Dialer Diagnose
[Sysname-Serial2/1] dialer circular-group 1 Related commands • dialer circular enable dialer priority • • interface dialer dialer diagnose Use dialer diagnose to configure DDR to operate in diagnostic mode. Use undo dialer diagnose to restore the default. Syntax dialer diagnose [ interval seconds undo dialer diagnose Default...
Page 150: Dialer Disconnect
dialer disconnect Use dialer disconnect to disconnect a dialup link on an interface. Syntax dialer disconnect [ interface interface-type interface-number ] Views Any view Predefined user roles network-admin Parameters interface interface-type interface-number: Specifies an interface by its type and number. Usage guidelines If no interface is specified, this command disconnects all dialup links.
Page 151: Dialer Number
[Sysname] dialer flow-interval 3 Related commands dialer threshold dialer number Use dialer number to configure a dial string for placing calls to a single remote end. Use undo dialer number to remove the configured dial string. Syntax dialer number dial-number [ autodial undo dialer number Default...
Page 152: Dialer Priority
Syntax dialer peer-name username undo dialer peer-name [ username ] Default No remote username is configured. Views Dialer interface view Predefined user roles network-admin Parameters username: Specifies the remote username for PPP authentication, a case-insensitive string of 1 to 80 characters.
Page 153: Dialer Queue-Length
Views Physical interface view Predefined user roles network-admin Parameters priority: Priority of the physical interface in a dialer circular group, in the range of 1 to 127. The larger the value, the higher the priority. Usage guidelines This command sets the order in which the available physical interfaces in a dialer circular group are used. The physical interface with a higher priority is used first.
Page 154: Dialer Route
# Set the buffer queue length to 10 on interface Serial 2/0. <Sysname> system-view [Sysname] interface serial 2/0 [Sysname-Serial2/0] dialer queue-length 10 dialer route Use dialer route to enable a DDR interface to call the specified destination address (host or network address) or to receive calls from multiple remote ends.
Page 155: Dialer Threshold
If you specify the dial-number argument in the dialer route command, you must also include the dial-number argument when using the undo dialer route command to remove the dialer route. If the user keyword is used, PPP authentication must be configured. DDR accepts a call only when the peer username obtained through PPP authentication is the same as the remote username configured by using this command.
Page 156: Dialer Timer Autodial
If you set a link load threshold in the range of 1 to 99, MP tunes allocated bandwidth according to actual traffic percentage following these guidelines: When the percentage of traffic on a link to bandwidth exceeds the defined traffic threshold, the •...
Page 157: Dialer Timer Compete
Parameters seconds: Specifies the interval between call attempts, in the range of 1 to 604800 seconds. Usage guidelines This command takes effect only when the autodial keyword is configured in the dialer number or dialer route command. It allows DDR to automatically dial at certain intervals to set up a connection. In the auto-dial approach, dial attempts to set up a connection are not traffic triggered.
Page 158: Dialer Timer Enable
To make sure the server has enough time to place a return call, the link holddown timer of the client should be 10 seconds longer than that of the server. H3C recommends that you set the link holddown timer to 5 seconds (the default) on the server, and 15 seconds on the client.
Page 159: Dialer Timer Wait-Carrier
Views Dialup interface (physical or dialer interface) view Predefined user roles network-admin Parameters seconds: Link idle-timeout timer, setting the time that a link is allowed to be idle. The value range for this argument is 0 to 65535 seconds. in: Specifies that only incoming interesting packets reset the timer. in-out: Specifies that both incoming and outgoing interesting packets reset the timer.
Page 160: Dialer-Group
Usage guidelines Sometimes, the time that DDR waits for a connection to be established might vary call by call. To handle this situation, you can use a wait-carrier timer. A wait-carrier timer starts when a call is placed. If the connection is not established upon expiration of the timer, DDR terminates the call.
Page 161: Dialer-Group Rule
dialer-group rule Use dialer-group rule to create a dialer access group and configure a dial access rule for it. Use undo dialer-group rule to remove the configuration. Syntax dialer-group group-number rule { protocol-name { deny | permit } | acl { acl-number | name acl-name } } undo dialer-group group-number rule Views System view...
Page 162: Display Dialer
Related commands dialer-group display dialer Use display dialer to display the DDR-related information about an interface. Syntax display dialer [ interface interface-type interface-number ] Views Any view Predefined user roles network-admin mdc-operator Parameters interface interface-type interface-number: Specifies an interface by its type and number. Usage guidelines If no interface is specified, this command displays the DDR-related information about all the interfaces.
Page 163: Display Interface Dialer
Field Description DDR timers in seconds: • Auto-dial—Autodial timer set by the dialer timer autodial command. Dialer Timers(in seconds): • Compete—Compete-idle timer set by the dialer timer compete command. Auto-dial: 300 Compete: 20 Enable: 5 • Enable—Link holddown timer set by the dialer timer enable command.
Page 164 Dialer1 Current state: UP Line protocol state: UP (spoofing) Description: Dialer1 Interface Bandwidth: 64kbps Maximum Transmit Unit: 1500 Hold timer: 10 seconds Internet protocol processing: disabled Link layer protocol: PPP LCP: initial Physical: Dialer, baudrate: 64000 bps Output queue: (Urgent queuing: Length) 50 Output queue: (Protocol queuing: Length) 500 Output queue: (FIFO queuing: Length) 75 Last clearing of counters: Never...
Page 165 Field Description Link layer protocol: PPP Current data link layer protocol. LCP: initial LCP initialization is complete. Physical: Dialer The physical interface is a dialer interface. Output queue: (Urgent queuing : Statistics on the packets in the urgent output queue. Length) Output queue: (Protocol Statistics on the packets in the protocol output queue.
Page 166: Interface Dialer
Related commands reset counters interface interface dialer Use interface dialer to create a dialer interface. In C-DDR, this is the same as creating a dialer circular group. Use undo interface dialer to remove a dialer interface. Syntax interface dialer number undo interface dialer number Default No dialer interface is created.
Page 167: Mtu
Use mtu to set the MTU of a dialer interface. Use undo mtu to restore the default. Syntax mtu size undo mtu Default The MTU of dialer interfaces is 1500 bytes. Views Dialer interface view Predefined user roles network-admin Parameters size: Specifies the maximum transmission unit (MTU) in the range of 128 to 1500 bytes.
Page 168: Shutdown
If neither dialer nor interface-number is specified, this command clears the statistics of all the interfaces. If only dialer is specified, this command clears the statistics of all dialer interfaces. If both dialer and interface-number are specified, this command clears the statistics of the specified dialer interface.
Page 169: Standby Routing-Group Rule
Views Dialup interface view Predefined user roles network-admin Parameters group-number: Dynamic route backup group number in the range of 1 to 255. Usage guidelines Before enabling the dynamic route backup function on a dialup interface, make sure DDR is enabled on the interface.
Page 170: Standby Timer Routing-Disable
Usage guidelines Up to 255 monitored network segments can be added to a dynamic route backup group. The primary link is considered to be disconnected only when the routes to all the monitored network segments in a dynamic route backup group become invalid. Examples # Create dynamic route backup group 1 to monitor routes to the network segments 20.0.0.0/8 and 30.0.0.0/8.
Page 171 Default The interval for sending keepalive packets is 10 seconds. Views Dialer interface view Predefined user roles network-admin Parameters seconds: Interval (in seconds) for sending keepalive packets, in the range of 0 to 32767. The value 0 disables keepalive packet sending. Usage guidelines The polling interval specifies the interval at which an interface sends keepalive packets.
Page 172: Index
Index A B C D I L M P R S T U V dialer timer wait-carrier,150 dialer-group,151 allow l2tp,39 dialer-group rule,152 display cellular,109 display controller cellular,1 17 bandwidth,133 display dialer,153 bandwidth,40 display interface dialer,154 bandwidth,12 display interface mp-group,15 display interface virtual-ppp,42 controller cellular,108...
Page 173 isdn ignore llc,79 plmn search,126 isdn ignore sending-complete,80 plmn select,127 isdn l3-timer,81 authentication-mode,4 isdn number-property,82 ppp chap password,6 isdn overlap-sending,89 ppp chap user,6 isdn pri-slipwnd-size,89 ppp ipcp dns,7 isdn progress-to-alerting enable,90 ppp ipcp dns admit-any,8 isdn protocol-mode,91 ppp ipcp dns request,9 isdn protocol-type,92...
Page 174 standby routing-group rule,160 tunnel name,57 standby timer routing-disable,161 tunnel password,57 tunnel timer hello,58 timer-hold,63 timer-hold,59 user,60 timer-hold,12 tunnel authentication,55 vpn-instance,61 tunnel avp-hidden,55 tunnel flow-control,56...

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