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Black Box LRU4240 User Manual

Black Box LRU4240 User Manual

Dual trunk e1 router
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Part 098-04240-18 Rev. 12
October 2003

Dual Trunk E1 Router

User Guide

Software revision 2.3RT
TECHNICAL:
0118 96 56 000
SALES:
0870 90 10 750
FAX:
0118 96 55 001
ADDRESS:
464 Basingstoke Road, Reading, Berkshire RG2 0BG
WEB:
www.blackbox.co.uk
LRU4240

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  • Page 1: Dual Trunk E1 Router

    Dual Trunk E1 Router Part 098-04240-18 Rev. 12 TECHNICAL: October 2003 User Guide Software revision 2.3RT 0118 96 56 000 SALES: 0870 90 10 750 FAX: 0118 96 55 001 ADDRESS: 464 Basingstoke Road, Reading, Berkshire RG2 0BG WEB: www.blackbox.co.uk LRU4240...
  • Page 2 Black Box Do Brasil. Tel: (011) 5515-4000 Fax: (011) 5515-4002 Web Site: www.blackbox.com.br SALES: 0870 90 10 750 How to Contact Your Local Black Box Sweden: Black Box AB Tel: +46 8 44 55 870 Fax: +46 8 38 04 30 Web Site: www.Blackbox.ab.se...
  • Page 3 Caution In accordance with FCC Part 15 section 15.21, changes or modifications made by the buyer that are not expressly approved by BLACK BOX Ltd could void the buyer’s authority to operate this equipment. This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules.

  • Page 4: Regulatory Information

    Dual Trunk E1 Router NOTE: As per the Voluntary Control Council for Interference by Information Technology Equipment (VCCI), the Dual Trunk E1 Router complies with VCCI Class 1 ITE. This equipment is in the 1st Class category (information equipment to be used in commercial and/or industrial areas) and conforms to the standards set by the Voluntary Control Council for Interference by Information Technology Equipment aimed at preventing radio interference in commercial and/or industrial areas.

  • Page 5: Table Of Contents

    Preface Audience Organization Conventions Symbols Typography Black Box Technical Support Returning a Unit Send Us Your Comments Chapter 1, Product Overview Product Overview Applications Dual independent links application Load balancing Redundancy Multilink application Redundancy Monitoring the Entire WAN Protocol Stack...
  • Page 6 The Configuration Options The Test Options To Stop a Test The Monitor Options Terminal User Interface Mode Terminal Interface Navigation Setting a Menu Parameter Attaching to a Terminal Using the Ethernet port as management interface Using Terminal Software Terminal Setup Hyperterm Windows Setup Logging On from a Terminal Logging Off from a Terminal...
  • Page 7 Mapping DLCIs to IP Addresses Configuring SLIP Configuring TUI Access Rights Configuring Radius Authentication Enabling/Disabling Traffic Monitoring Configuring SNMP. Configuring Time and Date Synchronization Configuring DHCP Chapter 5, Bridging Configuration Overview of the Configuration Bridging Configuration Managing the unit in Bridging mode VLAN Forwarding support Management VLAN ID Bridging Application Examples...
  • Page 8 Chapter 7, Firewall Configuration Configuring the Firewall Chapter 8, Diagnostics Required Tools and Equipment Performing Tests from the Front Panel Self Test Loopback Tests Loop NET Test Loop Payload Test Loop Up Remote and Loop Down Remote Tests Pattern Tests QRW Pattern Test Other Pattern Tests Lamp Test...
  • Page 9 Menu-8E Modem Initialization Strings Chapter 11, Troubleshooting Troubleshooting the Unit Unit Problems Network Problems Appendix A, Specifications Technical Specifications Performance LRU4240 Network Interface LRU4240 Data Interface Power Options Physical Environmental Reliability LRU4240 Diagnostics Dual Trunk E1 Router User’s Guide Dual Trunk E1 Router...
  • Page 10 Dual Trunk E1 Router Appendix B, Cable and Connector Pin Assignments E1 Network Pin Assignments Communication Port Pin Assignments DE-9 to DB-25 Adapter Pin Assignments Appendix C, Software Upgrade Software Download Using the Download Menu Utility Setting Up for TFTP Abnormal Termination Error Indicators Download Aborted by User...
  • Page 11 interface enet interface frame-relay dlci interface frame-relay lmi interface frame-relay map interface frame-relay map clear ip bridge static-route ip dhcp-relay ip firewall ip nat ip nat global ip nat local-addr ip nat static ip route ip route bridge-route-aging-time ip route default-gateway ip route load-balancing ip route mode ip route vlan-id...
  • Page 12 unit modem unit outage unit protect-mode unit radius unit remote-comm unit sla unit snmp unit yellow-alarm wan-port in-service Kernel Command Reference interface IFNAME quit debug zebos events debug zebos kernel debug zebos packet show debugging zebos show interface IFNAME show ip route show running-config RIP Command Reference configure terminal...
  • Page 13 show debugging rip show ip protocols show running-config show ip rip timers version OSPF Command Reference area authentication area default-cost area export-list area import-list area range area shortcut area stub area virtual-link auto-cost compatible rfc1583 debug ospf event debug ospf ism debug ospf lsa debug ospf nsm debug ospf packet...
  • Page 14 ip ospf retransmit-interval ip ospf transmit-delay login match interface match metric match route-type external match tag neighbor network area opaque opaque-lsa-capable ospf abr-type ospf authentication-key ospf cost ospf dead-interval ospf hello-interval ospf network ospf priority ospf router-id ospf transmit-delay passive-interface redistribute refresh timer router-id...
  • Page 15 show ip ospf database router show ip ospf database summary show ip ospf interface show ip ospf neighbor show ip ospf route show ip protocols show memory all show memory lib show memory ospf summary-address timers spf Index Dual Trunk E1 Router User’s Guide Dual Trunk E1 Router TECHNICAL: 0118 96 56 000...

  • Page 16: Technical: 0118 96 56 000

    Dual Trunk E1 Router Dual Trunk E1 Router User’s Guide TECHNICAL: 0118 96 56 000...

  • Page 17: Technical: 0118 96 56 000

    Dual Trunk E1 Router Dual Trunk E1 Router User’s Guide TECHNICAL: 0118 96 56 000...

  • Page 18: Technical: 0118 96 56 000

    Dual Trunk E1 Router Dual Trunk E1 Router User’s Guide TECHNICAL: 0118 96 56 000...

  • Page 19: Technical: 0118 96 56 000

    Dual Trunk E1 Router Dual Trunk E1 Router User’s Guide TECHNICAL: 0118 96 56 000...
  • Page 20 E1 NTU with QoS User’s Guide SALES:0870 90 10 750 Dual Trunk E1 Router User’s Guide...

  • Page 21: Preface

    Chapter 8, “Diagnostics,” operation of the device and its associated cabling and equipment. Chapter 9, “Monitoring and Management,” LRU4240 router. Provides instructions on the option of collecting RMON-2 data. Chapter 10, “Alarms,” Chapter 11, “Troubleshooting,” Appendix A, “Specifications,”...

  • Page 22: Conventions

    ONVENTIONS This section describes the conventions used to delineate specific types of information throughout Black Box user guides. Symbols Symbols denote text that requires special attention. The information contained alongside a symbol corresponds to one of four levels of severity: NOTE: Follow guidelines in this, or the previous, paragraph to use the Black Box product more effectively.

  • Page 23: Typography

    Helvetica Bold Denotes actual markings on front or back panels. LACK ECHNICAL If you should experience difficulty with the setup and/or operation of your Black Box equipment, the Black Box Technical Support staff can assist you at any time. Dual Trunk E1 Router User’s Guide Example Edit your.login file.
  • Page 24 ETURNING A Use the following procedure if you need to return a unit for service or repair, 1. Contact the Black Box Customer Service Department at 2. Package the unit carefully and, before sealing the shipping carton, include any 3. Attach an address label to the shipping carton. Be sure to include the ERN Please let us know if this user guide meets your requirements.

  • Page 25: Chapter 1, Product Overview

    RODUCT VERVIEW The Dual Trunk E1 Router is an intelligent network access solution providing connectivity to public and private packet-based networks. Available as a standalone unit it integrates a dual CSU/DSU, routing, and WAN Probe in one single platform. Figure 1-1 The Dual Trunk E1 Router supports bridging, static routing, and dynamic routing RIP1, RIP2, and OSPF.

  • Page 26: Applications

    Dual Trunk E1 Router PPLICATIONS Dual independent links application Load balancing When multiple paths exist to the same destination, sending all IP packets on a single route is probably not the most efficient use of the available bandwidth. Load balancing is the practice of distributing traffic among multiple paths to the same destination to achieve higher throughput and avoid delays.

  • Page 27: Multilink Application

    Dual Trunk E1 Router Multilink application Multilink PPP (MLPPP) or Multilink Frame Relay (MLFR) bundles the two E1 ports to pass traffic at twice the speed of a single E1 link. The standard MLPPP per RFC1990 facilitates interoperability with routers from other router vendors. A pair of Dual E1 Trunk Router can be deployed in a a back-to-back configuration offering a high- speed 4 Mbps point-to-point LAN extension.

  • Page 28: Monitoring Higher Protocol Layers

    Events Statistics Alarms To take advantage of the Dual Trunk E1 Router’s RMON-2 capabilities, Black Box has created an application, ChoiceView Plus, that allows you to display RMON-2 data in real-time, graphical, and tabular formats. SALES: 0870 90 10 750...

  • Page 29: Chapter 2, Installation

    Dual Trunk E1 Router operation requires the proper data port, com port and network cables. If you don’t have the correct cables, they may be ordered by calling Black Box at (0118) 965-5100 and asking for Inside Sales, or you may order from the Black Box Online Store on our web site: www.blackbox.co.uk.

  • Page 30: Installation

    Dual Trunk E1 Router Do no Voltages as high as 200 VDC may exist at the telephone company’s E1 interface in the form of simplex power. These voltages are hazardous and can cause death or severe injury! Do not proceed with this installation if any voltage is present between the send and receive pairs of the network interface.

  • Page 31: Installation Using Dc Power

    AC Power Connector Figure 2-1 Installation Using DC Power You need a tray cable that is UL recognized 14 AWG, 3 conductors, copper strand wire, electrical power and control cable, type TC: tray cable, 600 V 90°C. Alpha Wire Company No. 45443 is an example.
  • Page 32 Dual Trunk E1 Router SALES: 0870 90 10 750 Dual Trunk E1 Router User’s Guide...

  • Page 33: Chapter 3, Terminal Setup

    The Dual Trunk E1 Router can be operated using basic front panel controls, or through a more in- depth terminal interface. It is divided into two main sections listed below: • Navigating the Front Panel • Terminal Mode AVIGATING From the front panel, you can: •...
  • Page 34 Dual Trunk E1 Router Figure 3-1 Description Alphanumeric Display Reserved Reserved Back/Exit Button Up/Back Button Down/Forward Button Enter Button The LEDs for the Ethernet port are located in the back of the unit. SALES: 0870 90 10 750 Dual Trunk E1 Router Indications and Buttons Description Loopback LEDs Reserved...

  • Page 35: Front Panel Display

    Front Panel Display The front panel alphanumeric display provides a 2-line, 16-character message. It provides access to the Dual Trunk E1 Router via the front panel buttons. Press the UP ARROW and the DOWN ARROW keys to move among the various menus. Using the UP ARROW and DOWN ARROW keys will move you among the categories listed in Field Function...

  • Page 36: The Test Options

    Dual Trunk E1 Router 5. Press the ENTER button to enter edit mode for the selected feature. 6. Use the UP Arrow and/or DOWN Arrow to change the field. 7. Press the ENTER button to enter your change. 8. Press the EXIT button to leave edit mode. Dual Trunk E1 Router Configuration Option The following table lists the configuration options.

  • Page 37: The Monitor Options

    The front panel display provides miminal setup, configuration and verification menus. To fully configure your LRU4240 router you will need to access the Terminal User Interface (TUI) directly through the COMM port, or Telnet via the Ethernet port or the WAN ports.

  • Page 38: Terminal Interface Navigation

    Dual Trunk E1 Router Terminal Interface Navigation The terminal interface contains a number of menus which are used to configure, monitor, and manage the Dual Trunk E1 Router. • To navigate the fields in the menus, use the arrow keys on your keypad. •...

  • Page 39: Using The Ethernet Port As Management Interface

    Using the Ethernet port as management interface As an alternative to managing the Dual Trunk E1 Router via the COMM port, you can manage it directly using the Ethernet port (ENET). You can then Telnet into the device from any workstation in the network.
  • Page 40 Dual Trunk E1 Router 2. Type a The name allows you to save the settings for future sessions and the icon represent the connection. You can put the icon on your desktop for easy access. The Connect To properties tab appears (Windows 98) or the Phone Number window appears (Windows 95) 3.
  • Page 41 4. Configure the settings for the COM1 Properties dialog box as shown below: • • • • • After configuring the settings, click A blank screen with the cursor blinking appears. 5. Go to the File pull-down and select Properties. At the properties Dialog box, Click the Settings 6.

  • Page 42: Logging On From A Terminal

    Dual Trunk E1 Router Press Logging On from a Terminal To log on to the unit, you must first obtain the unit ID of the device. The unit ID is printed on a small sticker on the back or bottom of the device. You can also retrieve the unit ID via the UNIT CONFIG option of the front panel.

  • Page 43: Logging Off From A Terminal

    NOTE: When accessing the unit via Telnet, the system forces you off after the fifth unsuccessful attempt to log on. Logging Off from a Terminal To log off, press Ctrl-x. The terminal stops responding to your keystrokes when you are logged off. Adjusting COMM Port Settings COMM port settings can be modified in the Dual Trunk E1 Router using Menu 8F - COMM Port Configuration.

  • Page 44: Assigning User Passwords

    Dual Trunk E1 Router 2. Enter the Normal User or Super User password. If you do not have a password, you may still connect. When connected, Menu 1 will appear. NOTE: If your Dual Trunk E1 Router is set for dial-up mode, that is, using a modem and directly dialing through a standard telephone connection, it is recommended that you DO NOT use a Telnet session to access the unit.

  • Page 45: Chapter 4, Access Configuration

    VERVIEW OF CCESS This chapter contains information about configuring the LAN and WAN interfaces, the interface IP addresses, NMS IP addresses, Radius authentication, DHCP, and miscellanous management settings Procedure Description Configuring LAN To set or modify the Ethernet data port IP address and subnet mask, interface and the ethernet speed (10MB/Half or 10MB/Full).
  • Page 46 Dual Trunk E1 Router Procedure Description Configuring SNMP To configure SNMP “get”, “set, and” trap community” strings to prevent unauthorized SNMP management stations from gaining access to the router. Configure up to three Network Management Station (NMS) IP addresses that will receive SNMP trap to report alarms. Configuring Time and To configure RFC868 compliant time and date synchronization client.

  • Page 47: Configuring Lan Interface

    LAN I ONFIGURING Procedure Setting Ethernet port speed Modifying Ethernet port IP address ID, D ETTING Unit Configuration− Menu 4A Figure 4-1 procedures for setting the parameters in each field. Parameter Description UNIT ID Field Local The Dual Trunk E1 Router comes factory configured with a unique unit ID. Each Dual Trunk E1 router in your network must have a unique Unit ID.
  • Page 48 Dual Trunk E1 Router Parameter Description DATE Date time To change date or time field, select the date or time field at the top of the screen by moving the cursor. Enter date and time as indicated by the prompt at the bottom of the screen.

  • Page 49: Net Configuration And Status

    Net Configuration and Status Parameter Description Status Displays the network status. Framing Selects the network framing format from the following options: CRC4 enabled (the default), CRC4 disabled, and unstructured ONFIGURING IMESLOT Timeslot allocation menu is available for single and independent links applications, it is not available with multilink.

  • Page 50: Configuring Single Link Ppp Interface

    Dual Trunk E1 Router Procedure Disabling timeslots Allocating alternate timeslots Allocating timeslots manually WAN P ONFIGURING The WAN protocol can be configured to Frame Relay, Multilink Frame Relay, PPP, or MLPPP. Configuring Single Link PPP Interface Procedure Set router traffic type to PPP Set WAN port 1 IP address Notice the menus will be configured for PPP operations.

  • Page 51: Configuring Independent Ppp Links Interfaces

    Configuring independent PPP links Interfaces The PPP connection over the first T1/E1 port is assigned the interface port NET1. The second T1/E1 port is assigned the interface port NET2. Procedure Set router traffic type to PPP Set WAN port 1 IP address Set WAN port 2 IP address Configuring MLPPP Interface Procedure...

  • Page 52: Configuring Single Link Frame Relay

    Dual Trunk E1 Router Configuring single link Frame Relay Procedure Set router traffic type to Frame Relay Set WAN port 1 IP address Configuring independent Frame Relay links Procedure Set router traffic type to Frame Relay Set WAN port 1 IP address Set WAN port 2 IP address Configuring Multilink Frame Relay Procedure...

  • Page 53: Manual Dlci Configuration

    LMI message types consist of: • STATUS INQUIRY STATUS INQUIRY messages are used to request information on PVCs and their associated DLCIs. These Inquiries can be used to ask the receiving LMI-enabled device about all of the PVCs it knows about. Annex D also supports inquiries about individual DLCIs. •...

  • Page 54: Configuring Radius Authentication

    Dual Trunk E1 Router TUI A ONFIGURING Procedure Setting normal user password Setting super user password ONFIGURING ADIUS When a user telnets to the device, the Dual Trunk E1 Router prompts for user login and password, and sends the request to a designated primary radius server to authenticate the user access. If the server rejects access based on invalid user login or password, or if there is no response received from the server, the Dual Trunk E1 Router will send a ...
  • Page 55 Procedure Configure authentication retries Configure authentication response timeout Dual Trunk E1 Router User’s Guide Table 4-14 Configuring Radius authentication Steps 1. Select Authentication Retries 2.Enter retry count from 1 to 3 If the primary server does not respond, after the configured number of retries, the router will send the request to the secondary Radius server.
  • Page 56 NABLING ISABLING Procedure Disabling Traffic monitoring Enabling Traffic Monitoring SNMP ONFIGURING Procedure Setting get community string Setting set community string Setting trap community string Setting First NMS IP addresses Setting second NMS IP addresses RAFFIC ONITORING Table 4-15 Enabing/ Disabling Traffic Monitoring Description 1.Select Menu-0A 2.Set Traffic Monitoring field to Disabled...

  • Page 57: Configuring Time And Date Synchronization

    Procedure Setting Third NMS IP addresses ONFIGURING IME AND Procedure Setting Time server synchronization Configuring Primary Time Server IP Addresse Configuring Secondary Time Server IP Addresse Enable Time Synchonization Dual Trunk E1 Router User’s Guide Table 4-16 Configuring Menu-0B SNMP Steps 1.Select 3rd NMS IP Address field 1.Enter IP address.

  • Page 58: Configuring Dhcp

    Dual Trunk E1 Router DHCP ONFIGURING Procedure Setting DHCP Server IP address Enabling DHCP Relay agent SALES: 0870 90 10 750 Table 4-18 Configuring DHCP Steps 1.Select Menu-$K 2.Select DHCP server field 3.Enter DHCP Server IP address. 1.Select Menu-$K 2.Select DHCP Relay field 3.Set it to Enable to DHCP relay agent.

  • Page 59: Chapter 5, Bridging Configuration

    Bridging Configuration VERVIEW OF THE The LRU4240 supports bridging and routing packet processing modes. This chapter contains procedures on configuring your device for layer 2 bridging applications. Bridging provides the capability to connect two or more physically separate LAN segments over the WAN, to create a single logical LAN.

  • Page 60: Managing The Unit In Bridging Mode

    Multilink Frame Relay or MLPPP services. The external VPN appliance connected to your LRU4240 initiates and terminates tunnels. The LRU4240 functions as a gateway to your WAN and transfers IP packets at E1 or dual E1 wirespeed. Point-to-point LAN Extension Connect two remote LANs over fractional to full E1 circuits transparently using PPP, or Frame Relay on a single DLCI.
  • Page 61 Dual Trunk E1 Router For VLAN applications, a VLAN switch is required for VLAN tagging. The LRU 4240 forwards VLAN tags transparently but does not perform any VLAN tagging. Dual Trunk E1 Router User’s Guide TECHNICAL: 0118 96 56 000...

  • Page 62: Configuring Bridging

    Dual Trunk E1 Router Configuring Bridging Procedure Description Setting Bridging over 1.Select Menu-0A Frame Relay or Multilink 2.Set Traffic Type to Frame Relay Frame Relay Encapsulation of bridged frames is RFC2427 compliant. In multilink mode, the frame header is prefixed with a Multilink Frame Relay header 1.Select Menu-$A 2.Set Packet Processing Mode to Bridging.

  • Page 63: Displaying Mac To Port Map Table

    and are restored at boot time Procedure Steps Adding a static MAC 1.Select Menu-$GA bridge entry 2.Select the MAC Address field of an inactive entry 3.Enter the MAC address of the host 4.Select the Interface field 5.Set the Interface field to the physical port NET-1, NET-2, or ENET-0 This identifies the physical WAN or LAN port on which to bridge the MAC address.

  • Page 64: Configuring The Firewall

    Dual Trunk E1 Router Configuring the Firewall For instructions on setting the firewall refer to “Configuring the Firewall” on page SALES: 0870 90 10 750 Dual Trunk E1 Router User’s Guide...

  • Page 65: Chapter 6, Routing Configuration

    VERVIEW OF THE This chapter contains procedures on configuring routing protocols and Network Address Translation. Routing operates at layer 3, uses destination IP addresses and routing table decisions to forward packets to the next hop address.. Procedure Description Setting Routing mode To configure the router to routing mode.

  • Page 66: Configuring Routing Mode

    Dual Trunk E1 Router ONFIGURING OUTING Procedure Steps 1.Select Menu-$A Setting routing mode 2.Set Packet Processing Mode to Routing Routing mode is global and applies to all supported interfaces. ONFIGURING EFAULT Procedure Steps Setting default Gateway 1.Select Menu-$A IP Address 2.Select Default Gateway IP Address field 3.Set IP Address 1.Select Menu-$A...

  • Page 67: Configuring Static Routes

    ONFIGURING TATIC Static routes lets you define a route that maps the destination IP address received in a datagram to an egress port or a next hop IP address. A subnet mask is also configured to specify which portion of the destination IP address is the destination network address portion Dual Trunk E1 Router User’s Guide OUTES Dual Trunk E1 Router...
  • Page 68 Dual Trunk E1 Router Procedure Steps 1.Select the Destination IP field of an inactive route Adding a static route 2.Edit the IP address 3.Select the Len field 4.Enter the subnet mask value of the destination network. Value 0 to32. 5.Select the Next Hop IP field 6.Set the Metric 7.Set the Action SALES: 0870 90 10 750...

  • Page 69: Load Balancing Over Independent Links

    The dynamic routing protocols RIP1, RIP2, and OSPF are configured using the command line interface accessible from Menu-$E. The router CLI commands and parameters are documented in appendix E. NOTE: Standard LRU4240 includes RIP1, RIP2, and OSPF dynamic routing. BGP-4 protocol is available as an optional dynamic routing protocol. ONFIGURING NAT allows the use of private IP addresses when accessing the Internet.

  • Page 70: Nat Configuration Menus

    Dual Trunk E1 Router • Static NAT - To map a unregistered IP address to a registered IP address. This is useful to enable outside hosts to access an internal IP host of server. • Dynamic NAT - To share dynamically a range of global addresses among internal hosts to access the internet.

  • Page 71: Configuring Nat For Single Link Isp

    Configuring NAT for single link ISP Use the following procedure to configure your Dual Trunk E1 Router with dynamic NAT for internet access to a single ISP Procedure Steps Setting single link NAT Example: You were assigned 14 global IP addresses starting from 100.120.30.02 by ISP to NET1 your ISP for NET1 1.Select menu-$JAGlobal Map Table...

  • Page 72: Single Link Internet Example

    Dual Trunk E1 Router Single link Internet Example In this typical branch office configuration, a single global IP address is shared by multiple hosts when accessing the internet via the 4230 single T1/E1 . Figure 6-1 Procedure Steps Setting single link NAT ISP to NET1 Enter local networks that require NAT translation...

  • Page 73: Configuring Nat For Internet Access And Frame Relay Network

    • NET1 to ISP1 with single global IP address 120.20.30.10 • NET2 to ISP2 with 4 global IP address starting from 200.80.100.21. Procedure Steps 1.Select menu-$JAGlobal Map Table Setting ISP1 link 2.Select Translated IP address field. 3.Enter 120.20.30.10 as the starting global IP address 4.Set subnet mask to 32 5.Set the interface field to NET1.
  • Page 74 Dual Trunk E1 Router Procedure Steps 1.Select menu-$JAGlobal Map Table Setting ISP1 link 2.Select Translated IP address field. 3.Enter 120.20.30.10 as the starting global IP address 4.Set subnet mask to 32 5.Set the interface field to NET1. 6.Set Action field to Add 1.Select Menu-$JC Enter the central site and remote network...

  • Page 75: Chapter 7, Firewall Configuration

    Firewall Configuration The Firewall table is an access list that filters packets by denying or permitting access from source hosts to destination hosts. The rules are applied according to the order set in each entry in the list. The first match determines whether or not the packet is accepted or denied by the router. If a packet passes a first match and is not denied access, subsequent rules are applied on the packet.
  • Page 76 Dual Trunk E1 Router To add an entry to the access list: Procedure Steps 1.Select the Adding or modifying an entry 2.Enter an order number between 0 and 511. The firewall uses a rule based order of execution. This identifies the order of execution of the entry in the firewall table.

  • Page 77: Chapter 8, Diagnostics

    The Dual Trunk E1 Router offers extensive diagnostic capabilities for local and remote analysis. These include fixed test patterns and two user-programmable 24-bit test patterns. In addition to front panel LEDs, the Dual Trunk E1 Router features more than a dozen user-configurable parameters and performance thresholds for remote alarm reporting.

  • Page 78: Loopback Tests

    Dual Trunk E1 Router Indicators DRAM CRC Error Flash Boot Error Flash Loader Error Net Error Flash Write Error Loopback Tests You can isolate sections of the Dual Trunk E1 Router to determine if it is defective. The problem is normally in the network.

  • Page 79: Loop Payload Test

    LOCAL Dual Trunk E1 Router DSU CSU Data Port Loop Payload Test The Loop Payload test verifies proper operation of the unit and the network. This test loops the payload data received from the network back toward the network. Before it is looped back, the data is regenerated and a new framing pattern is inserted.

  • Page 80: Pattern Tests

    Dual Trunk E1 Router NOTE: The full bandwidth loop up code puts the remote Dual Trunk E1 Router in a full bandwidth network loopback. Pattern Tests QRW Pattern Test Use the Quasi-Random Word (QRW) test to measure Bit Error Rates on the network. The Dual Trunk E1 Router sends a QRW pattern into the network and monitors the received E1 network signal for QRW bit errors.

  • Page 81: Lamp Test

    Send Test Type Pattern Test Description All Zeros Used for verification of B8ZS. 1:4 (or Alternate) The 1:4 code is the loopup remote code. Typically, it is used when the loopup remote test fails to place the remote system into loopback. You can determine if the failure is an intermittent or a hard failure by continuously sending the 1:4 code, and monitoring the network status to see if the pattern is being received.

  • Page 82: Performing Tests From The Front Panel

    Dual Trunk E1 Router ERFORMING IAGNOSTICS FROM THE Menu-9 Diagnostics Menu-9, Diagnostics, provides access to diagnostic testing screens and monitoring configuration screens. Any test described in performed from the terminal screen menus. You can run several tests from your system’s internal diagnostics, shown in Menu-9, Diagnostics. •...

  • Page 83: Link Layer Diagnostics And Delay Monitoring

    Test Self Test Loop Net Loop Payload Loop Up Remote Loop Down Remote QRW Pattern 1:7 Pattern 3:24 Pattern 1:1 Pattern All 1s Pattern All 0s Pattern 1:2 Pattern 1:4 Pattern User 1 Pattern User 2 Pattern Lamp Test NOTE: You do not need to notify the telephone company that you are running the tests.

  • Page 84: Link-Based Testing For Public Packet Networks

    Dual Trunk E1 Router Link-based Testing for Public Packet Networks The link-based testing feature qualifies and tests PPP-based networks non-intrusively. Using the ICMP ping packet, the unit adds pattern generation and packet sequencing that allows single-ended and collaborative testing. This lets the user test his network from one end to the other using any TCP/IP-based test equipment.
  • Page 85 5. Select the Test Length: The length of the test can be smaller than the time between two ping messages as specified in the previous step. If it is, only one ping is sent. 6. Select the test packets length. From the minimum to the maximum allowed packet length (0 byte to 1500 bytes).
  • Page 86 Dual Trunk E1 Router SALES: 0870 90 10 750 Dual Trunk E1 Router User’s Guide...

  • Page 87: Chapter 9, Monitoring And Management

    Monitoring and Management ONITORING AND The Dual Trunk E1 Router collects and displays performance data and other data useful for network troubleshooting. The Dual Trunk E1 Router monitors the E1 line continuously and displays all collected data on the terminal screen. This chapter describes how to monitor the unit status, display performance reports, and configure alarm conditions.

  • Page 88: Logging On From A Telnet Connection

    Dual Trunk E1 Router Terminal User Interface Access Methods Below is a brief review of how to access your Dual Trunk E1 Router for monitoring your unit for running tests. • Super User versus normal user access rights. For more information, refer to Access Rights”...
  • Page 89 Menu Screen 3AC - Carrier Registers, 24 Hour Detail 3AE - Carrier Registers, 4 day Detail 3AF - Carrier Registers, 14 Day Summary 3AG- Carrier Registers, uptime total 3BA - User Registers, Current Interval 3BB - User Registers, 24 Hour Total 3BC- User Registers, 24 Hour detail...

  • Page 90: Performance Data Report Events

    Dual Trunk E1 Router Performance Data Report Events Event Unavailable Signal State Payload Loopback Actuated Current Interval Timer Errored Seconds (ES) Unavailable Seconds (UAS) Severely Errored Seconds (SES) Loss of Frame Count (LOFC) Controlled Slip Seconds (CSS) Background Block Error Event Log The Event Log feature is accessed through Menu-3Z.

  • Page 91: Delay Monitoring

    The delay monitoring feature in the Dual Trunk E1 Router provides network delay measurement between the Dual Trunk E1 Router and any device on the network. The LRU4240 measures delay by using a ping protocol. As part of the pattern generation and packet sequencing, delay measurement will use the ping packet to timestamp and obtain round-trip delays to specific IP addresses.

  • Page 92: Menu-1 Main Status

    Dual Trunk E1 Router ONITORING TATUS You can monitor the status of the Dual Trunk E1 Router unit from Menu-1, Main Status, and the status of the single data port from Menu-2, Data Status. Transmit and receive directions are monitored separately by the unit. The overall link utilization is reported in Menu-1, Main Status, and the report is updated once per second in each direction.

  • Page 93: In-Band Network Registers, 24 Hour Detail

    In-band Network Registers, 24 Hour Detail On an in-band enabled system, Menu-3CB shows the performance data which describes l Field Definition Number of packets received with CRC errors per interval. RxPkt Number of received packets per interval. Bandwidth utilization in the received direction per interval. TxPkt Number of packets sent out per interval.

  • Page 94: Protocol Distribution

    Dual Trunk E1 Router • SNMP Trap • Lotus Notes The Dual Trunk E1 Router uses the limited extensibility feature as defined in RFC 2021. • The protocol directory can process up to 16 protocols • Each protocol must be a “child protocol” of IP, UDP, or TCP Using the limited extensibility feature, you can monitor any protocol that rides directly on top of IP, UDP or TCP.

  • Page 95: Network Layer And Application Layermatrix Tables

    Dual Trunk E1 Router Network Layer and Application LayerMatrix Tables Through the implementation of standardizedRMON2 network-layer matrix (nlMatrix) and application-layer matrix (alMatrix) groups, the Dual Trunk E1 Router tracks and reports traffic sent between pairs of network addresses and categorizes them by applications and protocols. Standard- based Network Management Software tools, such as Concord Health Traffic Accountant, uses nlMatrix group to generate IP conversation reports, and uses alMatrix to associate the applications involved in the IP conversations.
  • Page 96 Dual Trunk E1 Router SALES: 0870 90 10 750 Dual Trunk E1 Router User’s Guide...

  • Page 97: Chapter 10, Alarms

    This chapter discusses alarm conditions and how these conditions are displayed. ONFIGURING LARM When the Dual Trunk E1 Router detects an alarm condition, the unit reports the condition to the terminal. Depending on your network management environment, the unit may also send alarm messages or SNMP trap messages.

  • Page 98: Menu-8 Alarm

    Dual Trunk E1 Router Menu-8 Alarm Menu-8, Alarm, provides access to four sub-menus: • Alarm Configuration • Miscellaneous Management Configuration • Modem Initialization Strings • COMM Port Configuration Select the corresponding option to view and configure parameters for alarm configuration, external alarm configuration, for miscellaneous management configuration, and modem initialization strings.

  • Page 99: Chapter 11, Troubleshooting

    This section describes problems you may encounter and provides suggested methods to troubleshoot and resolve the problems. ROBLEMS A list of possible problems is given in Symptom The LRU4240 does not power up. The LRU4240 system does not dial out when an alarm occurs. Dual Trunk E1 Router User’s Guide Troubleshooting...
  • Page 100 • Make sure the payload portion you are attempting to loop up has assigned bandwidth. • If the LRU4240 still does not loop up, use your E1 test set to inject a fractional loopback signal into the payload you wish to loop up.
  • Page 101 • Make sure the COMM Port parameters match the terminal’s parameters. • Make sure the LRU4240 is powered up. • Make sure the unit ID is correct. • Swap the connector positions with a unit that has no problem...

  • Page 102: Network Problems

    Dual Trunk E1 Router Symptom Some invalid data is received mixed in with a mostly good menu display. ETWORK ROBLEMS Symptom The unit experiences a loss of signal or a loss of frame on the Network Port. SALES: 0870 90 10 750 Table 11-1 Unit Problems (4 of 4) Probable Cause •...
  • Page 103 RJ-48C female connector on the back of the LRU4240 NTU. • Remove the E1 line from the back of the LRU4240 and place the E1 test set in its place. Connect the transmit of the E1 test set to the receive of the network plug (pins 3 and 11, 3—tip, 11—ring).
  • Page 104 Table 11-2 Network Problems (3 of 4) Probable Cause • Incoming RAI or UAI. Solution • Check to see if the LRU4240 is receiving a RAI alarm or an AIS alarm. • Make sure the remote/far end system is receiving a proper E1 signal.
  • Page 105 E1 source. • If the LED continues to flicker, call Black Box Technical Support for assistance. TECHNICAL: 0118 96 56 000...
  • Page 106 Dual Trunk E1 Router SALES: 0870 90 10 750 Dual Trunk E1 Router User’s Guide...

  • Page 107: Performance

    ECHNICAL PECIFICATIONS Performance Item Maximum Packet Length Maximum Packet Rate LRU4240 Network Interface Item Transmit bit rate Receive bit rate Line code Framing Pulse shape Jitter Output level System timing Input level Impedance LRU4240 Data Interface Item Interface types Dual Trunk E1 Router User’s Guide...

  • Page 108: Power Options

    Interface Environmental Item Operating Temperature Storage Temperature Relative Humidity Altitude Reliability MTBF 12 years minimum LRU4240 Diagnostics Item Loopbacks E1 Loopback Control Fractional Payload Loopback Control SALES: 0870 90 10 750 Specification Universal Power Supply 100 VAC to 240 VAC Autoranging, 50/60 Hz...
  • Page 109 Item Test Patterns Alarm Parameters E1 Network Port Dual Trunk E1 Router User’s Guide Diagnostics And Tests QRW, 1:1, 1:7, 3:24, All 1s, All 0s, 2-User Programmable 24 Bit Patterns, bit error injection NET Carrier Loss Alarm NET Sync Loss Alarm NET AIS Alarm NET RAI Alarm CRC, CV, FE Threshold Alarm...

  • Page 110: Dual Trunk E1 Router

    Dual Trunk E1 Router Dual Trunk E1 Router Configuration Unit Configuration Unit ID Protect Mode Idle Code In-band Monitoring Link Monitored Network port 1 Configuration CRC4 Main Sync Source Alternate Sync Source Network port 2 (Aux) Configuration CRC4 Main Sync Source Alternate Sync Source Diagnostic Configuration User Pattern 1...
  • Page 111 Configuration COMM Port and Terminal Configuration Connection Timeout when Logged on Timeout when not Logged on COMM Port Terminal Mode Phone Number 1 Phone Number 2 Normal User Password Superuser Password Modem String Configuration Modem String 1 Modem String 2 Ethernet Configuration IP Address IP Mask...
  • Page 112 Dual Trunk E1 Router SALES: 0870 90 10 750 Dual Trunk E1 Router User’s Guide...
  • Page 113 Cable and Connector Pin Assignments E1 N ETWORK The pin assignments for the RJ48 network interface connector are listed in the Table B-1 below. Table B-1 Network Interface Pin Assignments RJ48 Pin Signal Send toward Network Tip (T1) Send toward Network Ring (R1) Receive from Network Tip (T) Receive from Network Ring (R) 3, 6, 7, 8...

  • Page 114: Communication Port Pin Assignments

    Dual Trunk E1 Router OMMUNICATION Table B-7 describes the COMM Port (RJ45) pin assignments. Table B-2 Communication Port Pin Assignments RJ45 Pins Signal Description Send Data (from Dual Trunk E1 Router to terminal) Receive Data (from terminal to Dual Trunk E1 Router) Clear To Send (I/O to all Dual Trunk E1 Routers only) 4, 5 Signal Ground (bi-directional)

  • Page 115: Software Download

    OFTWARE OWNLOAD The Download feature enables you to upgrade software, and includes the following capabilities: • Separates the downloading operation from switching to new software, where these operations can be performed at separate times. You can schedule a time at which the unit can be initialized with the new code.

  • Page 116: Abnormal Termination

    C-1, you can take the following action or at least be Table C-1 Download Utility Error Indicators (1 of 2) Description (Message) Software error. Note the specific error information, and call Black Box Technical Support. Load Received is corrupted. Load Received has invalid embedded length.

  • Page 117: Download Aborted By User

    Error Error Type Indicator TFTP Download Aborted by User You may abort the Xmodem downloading process by pressing Ctrl-x. To perform the downloading abort, instruct the terminal emulator program to abort the Xmodem download process and return to terminal mode. The specific procedure depends on the terminal emulator program being used.

  • Page 118: Programming Software Upgrades Remotely

    Dual Trunk E1 Router Table 11-3 Menu 4F Download Utility (2 of 2) Group Field DOWNLOAD Code File Status Error Bytes Received Protocol CHANGE Code File Method Scheduled Date Scheduled Time Count Down Programming software upgrades remotely Starting with software release 2.3RT, you can initiate the code download and initialization remotely using SNMP commands.

  • Page 119: Software-Only Upgrades

    snmpget 172.25.150.1 .1.3.6.1.4.1.300.200.2.49.5 snmpget 172.25.150.1 .1.3.6.1.4.1.300.200.2.49.9 OFTWARE All upgrades to the 4200 WAN Access Platform are software-only upgrades. The hardware unit ships from the factory with all the physical ports even if they are not used with the configured software. The physical ports include two serial DTE ports, two T1/E1 ports, COMM port, and Ethernet port.
  • Page 120 Dual Trunk E1 Router SALES: 0870 90 10 750 Dual Trunk E1 Router User’s Guide...
  • Page 121 This appendix lists all of the Dual Trunk E1 Router Menus and their descriptions. Table D-1 Router Menus (1 of 5) Menu Number Name IP Configuration Interface Configuration SNMP Configuration Ethernet Configuration Performance monitoring LMI configuration SLA configuration Outage source configuration Main Status Ethernet Data Status Reports...
  • Page 122 Dual Trunk E1 Router Table D-1 Router Menus (2 of 5) Menu Number Name 3AF- Carrier Registers, 14 Day Summary 3AG- Carrier Registers, uptime total User Reports 3BA- User Registers, Current Interval 3BB- User Registers, 24 Hour Total 3BC- User Registers, 24 Hour Detail 3BE- User Registers, 4 Day Detail...
  • Page 123 Table D-1 Router Menus (3 of 5) Menu Number Name In Frame Relay mode: SLA Reports DLCI Outages Frame Transfer Delays Local Transmit Data Delivery Report Local Receive Data Delivery Report Local Transmit Frame Delivery Report Local Receive Frame Delivery Report Ethernet physical layer Ethernet interface statistics IP statistics...
  • Page 124 Dual Trunk E1 Router Table D-1 Router Menus (4 of 5) Menu Number Name Timezone configuration MLFR Configuration PPP/MLPPP Unit configuration MFR port configuration PPP/MLPPP Port Status Timeslot Configuration Features Alarm Alarm Configuration Miscellaneous Management Configuration Modem Initialization Strings Comm port configuration User authentication server Reboot the unit Diagnostics...
  • Page 125 Table D-1 Router Menus (5 of 5) Menu Number Name Static Frame Relay Map config Display active Frame Relay Map Table NAP/NAPT configuration - Global Map table NAP/NAPT configuration - Static table NAP/NAPT configuration - Local address table NAT Configuration NAT Dynamic entries DHCP configuration Table D-2 Menu-0A - Interface configuration...
  • Page 126 Dual Trunk E1 Router Parameter Parameter—Options ; Definition ENET IP Address/Len Set the Ethernet port IP Address in standard IP form (nnn.nnn.nnn.nnn). Set the subnet devices on the same network ICMP Redirect Enable or disable sending ICMP Redirect message on ENET interface NET1 IP Address/Len Set the first network port IP address that is responded to for in-band traffic received...
  • Page 127 Table D-3 Menu-0B SNMP Configuration Parameter Description TRAP COMM, ENET, NET 2nd Output Port Selects the DLCI (if applicable) and port over which the router will send a trap to the 2nd NMS IP address. TRAP COMM, ENET, NET 3rd Output Port Selects the DLCI (if applicable) and port over which the router will send a trap to the 2nd NMS IP address.
  • Page 128 Dual Trunk E1 Router Table D-5 Menu-0E Performance Monitoring Configuration Parameter Parameter - Options; Definition Status Active - Passing data through the Permanent Virtual Circuit (PVC) Inactive - PVC is broken Deleted - PVC is not available Table D-6 Menu-0F LMI Configuration Parameter Parameter- Options;...
  • Page 129 Table D-7 Menu-0H SLA Configuration Parameter Description DDR Threshold Set this threshold between 0% and 100%. 0% means that this feature is disabled. Configurable to one thousandth of a percent (for example, 99.999%). When the DDR falls below this threshold: •...
  • Page 130 Dual Trunk E1 Router Table D-9 Menu-1 Unit Status (2 of 2) Indication Send QRW (port, fraction) Send All 1s (port, fraction) Send all 0s (port, fraction) LP UP Remote (port, fraction) LP DN Remote (port, fraction) No clock Lamp Test Table D-10 Menu-1 Network Status Indication Description...
  • Page 131 Table D-11 Menu-3A Carrier Reports and 3B User Reports Event Loss of Frame Count (LOFC) - In ESF mode, the number of times Loss of Frame is detected. Controlled Slip Seconds (CSS) - In ESF mode, the number of seconds in an interval in which a controlled slip occurred.
  • Page 132 Dual Trunk E1 Router Table D-14 Menu-3EB Frame Transfer Delays Report Definition Indication Description DLCI Identifies the DLCI. Last Sample Time The time of the most recent sample. Threshold Violations The number of times the delay threshold has been exceeded. Total Samples The number of samples that have been taken.
  • Page 133 Table D-17 Menu-3EF Local Transmit Frame Relay Delivery Report Indication Description DLCI Identifies the DLCI. Last Sample Time The time of the most recent sample. Threshold Violations The number of times the DDR threshold has been exceeded. Local Transmit Within The number of frames transmitted within CIR.
  • Page 134 Dual Trunk E1 Router Parameter Unicast Packets Received Unicast Packets Transmitted Non Unicast Packets Received Non Unicast Packets Transmitted Unknown Protocol ID Protocol Packet Dump Unroutable Packets Table D-21 Menu-3FC IP Statistics Parameter Packets Received Header Errors Received Address Errors Received Forwarded Datagrams Unknown Protocol Received Discards <Rx>...
  • Page 135 Parameter Echos (Rx) Echo Replies (Rx) TimeStamps (Rx) TimeStamp Replies (Rx) Address Masks (Rx) Address Mask Replies (Rx) Table D-23 Menu-3FF ICMP Transmit statistics Parameter Messages Transmitted Errors Transmitted Destination Unreachable <Tx> Time Exceeded <Tx> Parameter Problems <Tx> Source Quench <Tx> Redirects <Tx>...
  • Page 136 Dual Trunk E1 Router Indication Lost Table D-26 Menu-3Z Event Log Parameter Description Module Unit, Network, System, All This field allows the display of any of the above status changes. When Unit is selected, the following status changes will be logged as events: Event Unit Power On...
  • Page 137 Parameter Description Event (cont.) Loss of Signal Loss of Frame Set Code Received Reset Code Received UA1 Received CV Threshold Exceeded FE Threshold Exceeded CRC Threshold Exceeded External ALarm Asserted Power Outage UAS Outage Flash N.V. Log Error Clear User 4 Day Archive Clear User 14 Day Totals Module When All is selected, all of the preceding status changes will be logged as...
  • Page 138 Dual Trunk E1 Router Parameter Description Time/Date Identifies the time the status change/event was logged. Table D-27 Menu-4A Unit Configuration Parameter Description UNIT Protect Mode - Enabled or Disabled; Enabled - Protect mode prevents you from running tests from the front panel.
  • Page 139 Table D-30 Menu-4V Timezone configuration Parameter Description Ahead GMT Set this to Yes if unit is deployed to the east of GMT. Set NO if the unit is deployed in to the west of GMT. Hrs. Offset From GMT Offset hours from GMT from 0 to 23 Mins.
  • Page 140 Dual Trunk E1 Router Parameter Description Protocol Error - Number of PPP/MLPPP protocol errors detected in this port. Table D-34 Menu-6B Multilink Frame Relay Port Configuration and Status Paramete Description Port 1/2 Include In Bundle - Yes, No Status - Normal, Idle, Down, Remote Not Configured, Inconsistent Bundle, Unknown Vendor, Loopback Detected, Test Active, Remote Link Up, and Awaiting Remote Link Protocol Errors - number of MFR protocol errors detected on the port...
  • Page 141 Primary Parameter—Options; Parameters Definition AIS Received Alarm NET Alarms Enabled—The unit generates an alarm when a Network AIS (Alarm Indication Signal) is detected. Disabled—Disables the alarm. RAI Received Alarm Enabled—The unit generates an alarm when a Network RAI Alarm is detected.
  • Page 142 Dual Trunk E1 Router Parameter—Options; Definitions In-band CRC Error Threshold Enabled—The valid range for this is 4 x 10 Disabled—No alarm is generated if threshold rate of errors is high. Table D-38 Menu-8E Modem Initialization Strings Parameter String 1 – Modem initialization string can be up to 20 characters. String 2 –...
  • Page 143 Field Pattern Error Counter CRC (or CRC4) Errors Code Violations Out of Frame Event Frame Error Event Last Self Test Result Next Test (port, fraction) Next Test Length Full Bandwidth Loop Code The Loop code to use in the next test is set in this field. Fractional Loop Code Dual Trunk E1 Router User’s Guide Definition —...
  • Page 144 Dual Trunk E1 Router Field USER 1 Pattern and USER 2 Pattern Table D-41 Menu-9B Link Layer diagnostics options Type Current Status Status SALES: 0118 965 5100 Definition — Options Enter any sequence of 1s and 0s, between 1 and 24 characters in length.
  • Page 145 Type Next Table D-42 Menu-9C Delay Monitoring configuration Parameter-Definition State Enables or disables Delay Monitoring on the link. Pattern The test pattern in the ping packet. DLCI, Port The DLCI and Port on which the test is to be run. Port options: NET, DTE, Ethernet, and COMM.
  • Page 146 Dual Trunk E1 Router Primary Parameter–Options; Parameter Definition Default Gateway IP Address - default IP address Default Gateway - enable or disable Gateway Firewall – enable or disable firewall Load Balancing – enable or disable Load Balancing Table D-44 Menu-$B Display routing table Indication Description Destination IP/Len...
  • Page 147 Indication Definition Status Status is either Active or Inactive. Press the “k” key (see bottom of screen) to save the Status to the Firewall Table. Table D-48 Menu-$K DHCP Relay configuration Parameter Definition DHCP Relay Enable or disable DHCP relay agent DHCP Server DHCP Server IP address Dual Trunk E1 Router User’s Guide...
  • Page 148 Dual Trunk E1 Router SALES: 0118 965 5100 Dual Trunk E1 Router User’s Guide...

  • Page 149: Configuring The Router Automatically

    Router Command Line Interface Reference CCESS OUTER The Dual Trunk router command line interface (CLI) is accessible manually via TUI and programmatically for configuring the router automatically. For manual configuration and troubleshooting, access the CLI via the TUI Menu-$E directly through the COMM port, or Telnet via the Ethernet or the WAN ports.
  • Page 150 Dual Trunk E1 Router Table E-1 Router automatic configuration procedures Procedure Downloading router configuration automatically OUTER OMMAND The CLI contains a text-based help facility. Access this help by typing in the full or partial command string then typing “?”. The CLI displays the command keywords or parameters for the command plus a short description.
  • Page 151 memory Table E-2 Router CLI Help Topic Description Syntax Help Use command ? to list commands or use List command to see available commands for each each mode. At the CLI command prompt type kernel: [Unit/Kernel/Rip/Ospf/Bpg]#kernel [Kernel(enable)]# sh ? Press TAB. The CLI shows: [Kernel(enable)]# show show i Type...

  • Page 152: Cli Command Modes

    Dual Trunk E1 Router Table E-2 Router CLI Help Topic Description Parameter expansion For the area parameter is replaced by either an IP address or a number in the given range: AREAADDRESSID=A.B.C.D|<0-4294967295> The minimum command then is: area 1.1.1.1 virtual-link 2.2.2.2 The parameters in the string optional.
  • Page 153 Enter bgp to enter BGP command mode [Unit/Kernel/Rip/Bgp/Ospf]: bgp bgp(enable)# NOTE: Standard LRU4240 includes RIP1, RIP2, and OSPF dynamic routing. BGP-4 protocol is available as an optional dynamic routing protocol. OMMAND Unit mode lets you access the device unit E1, and Ethernet port physical interface settings, Frame Relay protocol, static routes, firewall, NAT, bridging, multilink, time synchronization, alarms, COMM port, and management interfaces.

  • Page 154: Configure Terminal

    Dual Trunk E1 Router configure terminal Use the configure terminal command to change to configure terminal mode. Command Syntax: configure terminal Command Mode: Enable Usage There are no arguments or keywords for this command. The prompt will change to Unit(config)# Example Unit(enable)#configure terminal Unit(config)#...

  • Page 155: E1 Framing

    There are no arguments or keywords for this command. Examples Unit(enable)#show unit id 19: unit id SUNN1 e1 framing Use the e1 framing command to configure the network E1 framing format. Command Syntax: e1 framing [net1 | net2 | aux] [unstructured | crc-enabled | crc-disabled] Command Mode: Config Example unit(config)#e1 framing net1 unstructured...

  • Page 156: Interface Enet

    Dual Trunk E1 Router <A.B.C.D> IP address in standard form <Len> The subnet mask 1 to 32, the part of the IP address shared by all devices on the network. Command Mode: Config interface enet Use the interface enet command to set ethernet port parameters including mask length, half or full duplex mode, and promiscuous mode Command Syntax: interface enet bcast-mask <1-32>...

  • Page 157: Interface Frame-Relay Map

    Example Unit(config)#interface frame-relay dlci 20 net1 interface frame-relay map Use the interface frame-relay map to map IP subnets to DLCIs. Command Syntax: interface frame-relay map A.B.C.D/M <16-1023> {net1 | net2 | bundle0] A.B.C.D/M IP network address and subnet mask length <16-1023>...

  • Page 158: Ip Nat Global

    Dual Trunk E1 Router Command Mode: Config Example ip nat Use the ip nat to enable or disable NAT for each physical interface. Command Syntax: ip nat [enabled | disabled] Global parameter enabling or disabling NATfeature. ip nat IFNAME [nat | napt | two-way-nat] [enabled | disabled] To specify and enable the type of nat per interface port.

  • Page 159: Ip Route Bridge-Route-Aging-Time

    Use the ip route command to set static routes that map destination IP addresses to next hop IP address or interface. Static routes can be edited, changed, viewed from menu$-JC. Command Syntax: ip route A.B.C.D/M IFNAME metric <0-255> Static route mapping destination IP address to interface port A.B.C.D/M Static route destination IP address field IFNAME the [net1 | net2 | bundle0 | enet0] interface port metric <0-255>...

  • Page 160: Ip Route Vlan-Id

    Dual Trunk E1 Router ip route vlan-id Use the ip route vlan-id to set the unit management VLAN ID. With the default VLAN ID disabled, set to 9999, the unit will check every VLAN frame for management traffic by matching the destination IP address with the unit IP address, which is the Ethernet port IP address.

  • Page 161: T1 Timeslot

    unit(config)# t1 lbo Use the t1 lbo command to to set the Line Build Out (LBO) value to be used for tuning the circuit attenuation between the unit and the last repeater on the T1 circuit. Command Syntax: t1 lbo [0dB | -7.5dB | -15 dB] Command Mode: Config Example t1 timeslot...

  • Page 162: Traffic Type

    Dual Trunk E1 Router traffic type Use the traffic command to set the WAN protocol to Frame Relay or PPP. Command Syntax: traffic type [frame-relay | ppp] unit alarm Use the unit alarm command to configure the network alams that will be generated to the NMS. Command Syntax: unit alarm inband-lonk-loss [enabled | disabled] unit alarm interface [net | aux] [carrier-loss | sync-loss | ais-received | yellow-received] [enabled | disabled]...

  • Page 163: Unit Modem

    unit modem Use the unit monitor-jack command to set the monitor jack to net 1 or net2. Command Syntax: unit modem str1 WORD unit modem str2 WORD unit outage Use the unit outage command is reserved to configure outage source event. unit protect-mode Use the unit protect-mode command to enable or disable changes from front panel.

  • Page 164: Interface Ifname

    Dual Trunk E1 Router ERNEL OMMAND Kernel mode lets you access all the routing tables and interfaces and the various routing protocols modes. interface IFNAME Use the interface IFNAME command to change to configure terminal mode. Command Syntax: interface [net1 | net2 | mlppp | e0] The argument to this command is one of the router interface e0 for ethernet port, net1 for PPP1, net2 for PPP2, or bundle0 for multilink Command Mode: Enable...

  • Page 165: Debug Zebos Kernel

    debug zebos kernel Use the debug zebos kernel command to specify the debug option-set for the zebos routing manager between the kernel interface Command Syntax: debug zebos kernel no debug zebos kernel There are no arguments or keywords for this command. Command Mode: Enable debug zebos packet Use the debug zebos packet command to specify the debug option-set for the zebos packet...

  • Page 166: Show Running-Config

    Dual Trunk E1 Router Command Syntax: show ip route Command Mode: Enable connected Connected kernel Kernel Routing Information Protocol (RIP) static Static routes A.B.C.D Network in the IP routing table to display A.B.C.D/M IP prefix <network>/<length>, e.g., 35.0.0.0/8 Examples kernel(enable)#show ip route 106:Codes: K - kernel route, C - connected, S - static, R - RIP, >...

  • Page 167: Router Rip

    RIP C OMMAND configure terminal Use the configure terminal command to change to configure terminal mode. Command Syntax: configure terminal Command Mode: Enable Usage There are no arguments or keywords for this command. The prompt will change to Rip(config)# Example Rip(enable)#configure terminal Rip(config)# router rip...

  • Page 168: Distance

    Dual Trunk E1 Router send - specifies that information for sent packets be displayed. no debug rip (events | packet | zebos) Command Mode:: Enable Examples RIP(enable)#debug rip events 7: RECV packet from 60.10.2.1 port 520 on net2 8: update timer fire! 9: SEND UPDATE to net2 ifindex 4 10: unicast announce to 60.10.2.1 on net2 11: update routes to neighbor 60.10.2.1...

  • Page 169: Ip Rip Send Version

    Use the ip rip send packet command to configure the interface to enable the sending of RIP packets. This feature allows the user to control the sending of packets directly on the specified interface. Therefore, the packet sending is more efficient and controllable.

  • Page 170: Neighbor

    Dual Trunk E1 Router neighbor Use the neighbor command to specify a neighbor router. It is used for each connected point-to-point link. Use the no parameter to disable the specific router. Command Syntax (no) neighbor A.B.C.D A.B.C.D is an IP address of a neighboring router with which the routing information will be exchanged. Command Mode: configuration mode Examples neighbor 1.1.1.

  • Page 171: Show Debugging Rip

    router rip Use the router rip global command to enable a RIP routing process. Use the no form of the command to disable the RIP routing process. (no) router rip Command Syntax There are no arguments or keywords for this command. Command Mode: Router Configuration Examples router rip...

  • Page 172: Timers

    Dual Trunk E1 Router show running-config Use the show running-config command to show running config. Command Syntax show running-config Command Mode: rip There are no arguments or keywords for this command. Examples Rip(enable)#show running-config 3: Current configuration: 4: ! 5: hostname router 6: password zebos 7: enable password zebos 8: !

  • Page 173: Version

    GARBAGETIMER=<0-4294967295> seconds. Command Mode: Router Configuration Examples timers 30 180 120 version Use the version command to set a RIP routing protocol version. Use the no form of the command to restore the default. Command Syntax version <1-2> no version <1-2> <1-2>...

  • Page 174: Area Default-Cost

    Dual Trunk E1 Router Related Commands area default-cost, area stub, ip ospf authentication-key area default-cost Use the area default-cost command to specify a cost for the default summary route sent into a stub. Use the no form of this command to remove the assigned default-route cost. Command Syntax area AREAID default-cost <0-16777215>...

  • Page 175: Area Range

    AREAID=A.B.C.D|<0-4294967295> A.B.C.D= The IPv4 specification of the address for the stub. <0-4294967295>= The area identification number for the stub. NAME The name of the configured access list. Command Mode: Router mode Usage In conjunction with IP access list, this command is used to configure routes outside the area that will be advertised into this area. This command is only applied when generating summary LSAs (type 3).

  • Page 176: Area Stub

    Dual Trunk E1 Router <0-4294967295>= The area identification number for the stub. default Sets default short-cutting behavior. enable Forces short-cutting through the area. disable Disables short-cutting through the area. Default Command Mode Router mode Usage Examples area 1 shortcut default area 52 shortcut disable no area 42 shortcut enable Related Commands...

  • Page 177: Auto-Cost

    Dual Trunk E1 Router INTERVAL=dead-interval|hello-interval|retransmit-interval|transmit-delay VALUE VALUE = <1-65535> The number of seconds in the delay or interval. hello-interval= The interval the router waits before it sends a hello packet. The default is ten seconds. retransmit-interval= The interval the router waits before it retransmits a packet. The default is five seconds.

  • Page 178: Compatible Rfc1583

    Dual Trunk E1 Router compatible rfc1583 Use the compatible rfc1583 command to restore the method used to calculate summary route costs per RFC. Use the no form of this command to disable RFC 1583 compatibility. Command Syntax (no) compatible rfc1583 Default By default, OSPF is rfc 2328 compatible.

  • Page 179: Debug Ospf Lsa

    timers Displays ISM timer information Command Mode Privileged EXEC mode and Configure mode Usage Examples ospfd# no debug ospf ism events ospfd# debug ospf ism status ospfd# debug ospf ism timers Related Commands terminal monitor, log file debug ospf lsa Use the debug ospf lsa command to specify debugging options for OSPF Link State Advertisements (LSA) troubleshooting.

  • Page 180: Debug Ospf Packet

    Dual Trunk E1 Router debug ospf packet Use the debug ospf packet command to specify debugging options for OSPF packets. Command Syntax (no) debug ospf packet PARAMETERS (send|recv) (detail) PARAMETERS = all|dd|hello|ls-request|ls-update|ls-ack all Specifies debugging for all OSPF packets. dd Specifies debugging for OSPF database descriptions. hello Specifies debugging for OSPF hello packets.

  • Page 181: Default-Information Originate

    ospfd# no debug ospf zebos redistribute Related Commands terminal monitor, log file default-information originate Use the default-information originate command to create a default external route into an OSPF routing domain. Use the no form of this command to disable this feature. Command Syntax default-information originate (ALWAYS|METRIC|ROUTE) no default-information originate...

  • Page 182: Description

    Dual Trunk E1 Router protocol to use the same metric value for all redistributed routes. Use this command in conjunction with the redistribute command. Examples ospfd# configure terminal ospfd(config)# router ospf 100 ospfd(config-router)# default-metric 100 Related commands redistribute description Use the description command to add a description to an interface. Use the no form of this command to remove the description.

  • Page 183: Ip Ospf Authentication

    Use the distribute-list command to filter networks in routing updates. Use the no form of this command to disable this function Command Syntax distribute-list LISTNAME out ROUTE no distribute-list LISTNAME LISTNAME Specifies the name of the access list. out Indicates that outgoing advertised routes will be cleared. ROUTE= kernel | connected | static | rip | ospf | bgp kernel Specifies kernel routes.

  • Page 184: Ip Ospf Cost

    Dual Trunk E1 Router Authentication password not specified. Command Mode Interface mode Usage This command creates a password (key) that is inserted into the OSPF header when ZebOS software originates routing protocol packets. Assign a separate password to each network for different interfaces. All neighboring routers on the same network with the same password exchange OSPF routing data.

  • Page 185: Ip Ospf Dead-Interval

    OSPF floods new LSAs over all interfaces in an area, except the interface on which the LSA arrives. This redundancy ensures robust flooding. However, too much redundancy can waste bandwidth and might lead to excessive link and CPU usage in certain topologies, resulting in destabilizing the network. To avoid this, use the database-filter command to block flooding of LSAs over specified interfaces.

  • Page 186: Ip Ospf Network

    Dual Trunk E1 Router ip ospf dead-interval, show ip ospf interface Equivalent Commands ospf hello-interval ip ospf network Use the ip ospf network command to configure the OSPF network type to a type different from the default for the media. Use the no form of this command to return to the default value.

  • Page 187: Ip Ospf Retransmit-Interval

    ospfd(config)# interface fxp0 ospfd(config-if)# ip ospf priority 3 10.10.10.50 Related Commands ip ospf network, neighbor Equivalent Commands ospf priority ip ospf retransmit-interval Use the ip ospf retransmit-internal command to specify the time between link-state advertisement (LSA) retransmissions for adjacencies belonging to the interface. Use the no form of this command to return to the default value.

  • Page 188: Login

    Dual Trunk E1 Router login Use this command to set a password prompt, before entering the configuration mode and to enable password checking. Command Syntax (no) login Default Enabled. Command Mode Line mode Usage Login is enabled by default. The no login command allows users to connect directly to the Priviledged Exec mode skipping the password verification prompt.

  • Page 189: Match Metric

    match metric Use the match metric command to match the specified metric value. Use the no parameter to turn off the matching. Command Syntax (no) match metric METRICVALUE METRICVALUE = <0-16777216> Default Disabled Command Mode Route-map mode Usage To set the conditions for redistributing routes from one routing protocol to another, use the match and set route-mapconfiguration commands.

  • Page 190: Network Area

    Dual Trunk E1 Router Command Mode Route-map mode Usage To set the conditions for redistributing routes from one routing protocol to another, use the match and set route-mapconfiguration commands. The match commands specify the match criteria under which redistribution is allowed for the current route-map. The set commands specify the set redistribution actions to be performed, if the match criteria are met.

  • Page 191: Opaque

    Command Mode Router mode Usage The address and mask define interfaces to be associated with a specific OSPF area. The primary address of the interface should be covered by the network area command. Covering only the secondary address does not enable OSPF over that interface. The mask is used as a shortcut and it helps putting a list of interfaces in the same area.

  • Page 192: Ospf Abr-Type

    Dual Trunk E1 Router ospfd(config)# router ospf 100 ospfd(config-router)# opaque-lsa-capable Related commands ospf abr-type Use the ospf abr-type command to set an OSPF area border router (ABR) type. Use the no parameter to disable this function. Command Syntax ospf abr-type cisco|ibm|shortcut|standard (no) ospf abr-type cisco|ibm|shortcut cisco Specifies an alternative ABR using Cisco implementation.

  • Page 193: Ospf Dead-Interval

    Command Syntax ospf cost COST no ospf cost COST = <1-65535> Specifies the link-state metric.The default value is 10. Command Mode Interface mode Usage The interface cost indicates the overhead required to send packets across a certain interface. It is inversely proportional to the bandwidth of that interface.

  • Page 194: Ospf Network

    Dual Trunk E1 Router ospfd# configure terminal ospfd(config)# interface fxp0 ospfd(config-if)# ospf hello-interval 3 10.10.10.50 Equivalent Commands ip ospf hello-interval ospf network Use the ospf network command to configure the OSPF network type to a type other than the default for a given medium. Use the no form of this command to return to the default value.

  • Page 195: Ospf Router-Id

    ospfd# configure terminal ospfd(config)# interface fxp0 ospfd(config-if)# ospf priority 3 10.10.10.50 Related Commands show ip ospf Equivalent Commands ip ospf priority ospf router-id Use the ospf router-id command to specify a router ID for the OSPF process. Use the no form of this command to disable this function. Command Syntax ospf router-id IPADDRESS no ospf router-id...

  • Page 196: Redistribute

    Dual Trunk E1 Router passive-interface INTERFACENAME (A.B.C.D) INTERFACENAME = The name of the interface. A.B.C.D = IP address of the interface. Command Mode Router mode Usage The passive-interface command is used to configure OSPF on simplex Ethernet interfaces. Since the simplex interfaces represent only one network segment between two devices, configure the transmitting interface as a passive interface.

  • Page 197: Router-Id

    Router mode Usage Examples ospfd# configure terminal ospfd(config)# router ospf 100 ospfd(config-router)# refresh timer 12 Related Commands router-id Use the router-id command to set a fixed router-id. Use the no form of this command to force OSPF to use the previous OSPF router-id behavior. Command Syntax router-id IPADDRESS no router-id...

  • Page 198: Set Next-Hop

    Dual Trunk E1 Router Use the set metric-type command to set the metric type for the destination routing protocol. Use the no form of this command to return to the default. Command Syntax (no) set metric-type 1|2 1 = Select to set external type 1 metric. 2 = Select to set external type 2 metric.

  • Page 199: Show Debugging Ospf

    ospfd# configure terminal ospfd(config)# route-map rmap1 permit 3 ospfd(config-route-map)# set tag 6 Related Commands show debugging ospf Use the show debugging ospf command to display the set OSPF debugging option. Command Syntax show debugging ospf Command Mode Priviledged Exec mode Usage This is a sample output from the show debugging ospf command.

  • Page 200: Show Ip Ospf Border-Routers

    Dual Trunk E1 Router External LSA database is unlimited. Number of areas attached to this router: 1 Area ID: 0.0.0.1 Shortcutting mode: Default, S-bit consensus: ok Number of interfaces in this area: Total: 1, Active: 1 Number of fully adjacent neighbors in this area: 0 Area has no authentication Number of full virtual adjacencies going through this area: 0 SPF algorithm executed 1 times...

  • Page 201: Show Ip Ospf Database

    parameter with this command to view data about specified instances. Command Syntax show ip ospf border-routers show ip ospf PROCESSID border-routers PROCESSID = <0-65535> The ID of the router process for which information will be displayed. Command Mode Priviledged Exec mode Usage This is a sample output from the show ip ospf border-routers command.

  • Page 202: Show Ip Ospf Database Asbr-Summary

    Dual Trunk E1 Router Link ID ADV Router Age Seq# 67.1.4.217 10.10.11.50 37 0x80000001 0x2129 66777 AS-Global Opaque-LSA Link ID ADV Router Age Seq# 67.1.4.217 10.10.11.50 37 0x80000001 0x2daa 66777 ospfd# show ip ospf database max-age OSPF Router process 100 with ID (10.10.11.50) MaxAge Link States: Examples ospfd# show ip ospf database external 1.2.3.4 self-originate...

  • Page 203: Show Ip Ospf Database Network

    TOS: 0 Metric: 20 Forward Address: 10.10.11.50 External Route Tag: 0 Examples ospfd# show ip ospf database external 1.2.3.4 self-originate ospfd# show ip ospf database self-originate ospfd# show ip ospf database max-age ospfd# show ip ospf database router 1.2.3.4 adv-router 2.3.4.5 Related Commands show ip ospf database network Use the show ip ospf database network command to display information about the network LSAs.

  • Page 204: Show Ip Ospf Database Opaque-Area

    Dual Trunk E1 Router LS Seq Number: 8000000e Checksum: 0xf173 Length: 32 Network Mask: /24 Attached Router: 192.20.20.2 Attached Router: 192.30.30.2 ospfd# show ip ospf database network adv-router 192.30.30.3 OSPF Router process 200 with ID (192.30.30.2) Net Link States (Area 0.0.0.0) LS age: 1387 Options: 0x2 (*|-|-|-|-|-|E|-) LS Type: network-LSA...

  • Page 205: Show Ip Ospf Database Opaque-Link

    ospfd# show ip ospf database self-originate ospfd# show ip ospf database max-age ospfd# show ip ospf database router 1.2.3.4 adv-router 2.3.4.5 Related Commands show ip ospf database opaque-link Use the show ip ospf database opaque-link command to display information about the link-state type 9 LSAs. This type denotes a link-local scope.

  • Page 206: Show Ip Ospf Database Summary

    Dual Trunk E1 Router Link State ID: 10.10.11.50 Advertising Router: 10.10.11.50 LS Seq Number: 80000004 Checksum: 0xe39e Length: 36 Number of Links: 1 Link connected to: Stub Network (Link ID) Network/subnet number: 10.10.10.0 (Link Data) Network Mask: 255.255.255.0 Number of TOS metrics: 0 TOS 0 Metric: 10 Router Link States (Area 0.0.0.1) LS age: 877...

  • Page 207: Show Ip Ospf Interface

    LS Type: summary-LSA Link State ID: 10.10.11.0 (summary Network Number) Advertising Router: 10.10.11.50 LS Seq Number: 80000001 Checksum: 0x36ac Length: 28 Network Mask: /24 TOS: 0 Metric: 10 Summary Link States (Area 0.0.0.1) LS age: 1061 Options: 0x2 (*|-|-|-|-|-|E|-) LS Type: summary-LSA Link State ID: 10.10.11.0 (summary Network Number) Advertising Router: 10.10.11.50 LS Seq Number: 80000001...

  • Page 208: Show Ip Ospf Neighbor

    Dual Trunk E1 Router The following is a sample output from the show ip ospf interface command. ospfd# show ip ospf interface hme0 hme0 is up, line protocol is up Internet Address 10.10.10.50/24, Area 0.0.0.0 Router ID 10.10.11.50, Network Type BROADCAST, Cost: 10 Transmit Delay is 5 sec, State Waiting, Priority 1 No designated router on this network No backup designated router on this network...

  • Page 209: Show Ip Ospf Route

    10.10.11.51 1 Full/DR 00:00:38 10.10.11.10 hme1:10.10.11.50 0 ospfd# ospfd# show ip ospf neighbor detail Neighbor 10.10.11.51, interface address 10.10.10.10 In the area 0.0.0.0 via interface hme0 Neighbor priority is 1, State is Full, 6 state changes DR is 10.10.10.10, BDR is 10.10.10.50 Options 66 *|O|-|-|-|-|E|- Dead timer due in 00:00:32 Database Summary List 0...

  • Page 210: Show Ip Protocols

    Dual Trunk E1 Router ============ OSPF router routing table ============= ============ OSPF external routing table =========== OSPF process 110: ============ OSPF network routing table ============ 10.10.11.0/24 [10] area: 0.0.0.1 directly attached to eth2 ============ OSPF router routing table ============= ============ OSPF external routing table =========== ospfd# ospfd# show ip ospf 100 route OSPF process 100:...
  • Page 211 Priviledged Exec mode and Exec mode Usage Following is a sample output of the show memory all command showing information about all the routing protocols. Please note that this is not the complete output but a sample of the output. ospfd# show memory all Memory type : Alloc count...

  • Page 212: Show Memory Lib

    Dual Trunk E1 Router BGP aspath BGP aspath seg BGP aspath str Community ----------------------------------------------- LDP structure LDP interface LDP Adjacencies LDP Sessions LDP FECs ----------------------------------------------- RSVP structure RSVP interface RSVP write queue node RSVP route record object ----------------------------------------------- ISIS node ISIS table vprefix ISIS instance...

  • Page 213: Show Memory Ospf

    Prefix List Str Prefix List Entry Route map Route map name Route map index Route map rule Route map rule str Stream Key chain VTY Path Label block node Label pool server Label pool server Examples ospfd# show memory lib Related Commands show memory all, show memory ospf show memory ospf...

  • Page 214: Summary-Address

    Dual Trunk E1 Router ospfd# show memory ospf Related Commands show memory all, show memory lib summary-address Use the summary-address command to summarize or suppress external routes with the specified address range. Command Syntax summary-address A.B.C.D/M (not-advertise)(tag <0-4294967295>) A.B.C.D/M = The range of addresses given as IPv4 starting address and a mask indicating the range. not-advertise Suppresses external routes.

  • Page 215: Attaching To A Terminal

    AC power installation 3-18 access rights 4-32 Access Router configuration overview 5-33, 6-47, Configuring Packet Processing Mode 6-52, Configuring Static Routes 7-55 Configuring the Firewall 6-52, 8-63 Setting ID, Date, and Network Timing network AIS received alarm 16-129 alarms configuring 11-85 display 11-85...

  • Page 216: Site Requirements

    LMI Conditioning STATUS 5-41 STATUS ENQUIRY 5-41 LOFC 10-78 logging in login messages 4-30 logging off 4-31 logging on from telnet connection 4-31 logging on to the unit 4-27 Loop Payload test 9-67 loopback tests 9-66 Loss of Frame Count See LOFC Main Status 10-80 network status...
  • Page 217 TFTP 15-103 time-out for terminal 16-129 Timeout When Logged On 16-129 Timeout When Not Logged On 16-129 Top Talkers 10-81 troubleshooting network problems 12-90 passwords 4-32 Unavailable Seconds See UAS Unavailable Signal State 10-78 Unit ID setting 5-35 Xmodem 15-103 XON/XOFF 16-130 yellow alarm...

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