Manuals / Paradyne / Computer Equipment / Network Router

Paradyne Routers Diagnostics and Troubleshooting Overview, Device Restart, Alarms Inquiry

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Diagnostics and Troubleshooting

Diagnostics and Troubleshooting Overview

There are several features available to assist in evaluating the Hotwire DSL

Router. The following sections are covered in this chapter:

HDevice Restart

HAlarms Inquiry

HSystem Log

HPing

HTraceRoute

Device Restart

The DSL router can be restarted locally or remotely. From the Command Line

Interface, type Restart and press Enter.

The DSL router reinitializes itself, performing a power-on self-test and resetting the local System Log (SYSLOG).

Alarms Inquiry

show alarms

This command allows the operator to display the list of current alarm conditions, if any.

Minimum access level: Operator

The possible output lines are:

Alarm: Management Address Conflict

Alarm: Failed Selftest

Alarm: System Error

No alarm condition is set

Alarm condition reverts to Normal when the offending problem has been corrected.

6371-A2-GB20-10

August 2000

6-1

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Paradyne Routers manual Diagnostics and Troubleshooting Overview, Device Restart, Alarms Inquiry, show alarms

Contents

USERS GUIDE HOTWIRE DSL ROUTERSDocument No. 6371-A2-GB20-10 AugustCopyright E 2000 Paradyne Corporation All rights reserved Warranty, Sales, Service, and Training InformationPrinted in U.S.A Document Feedback1 Introduction to Hotwire DSL Routers Contents2 Accessing the DSL Router About This GuideConfiguring the DSL Router DSL Router Configuration ExamplesContents A Command Line Interface 6 Diagnostics and Troubleshooting5 Monitoring the DSL Router ContentsC Traps & MIBs B Configuration Defaults & Command Line ShortcutsD DSL Router Terminal Emulation IndexDocument Purpose and Intended Audience About This GuideChapter Document SummaryAppendix A Appendix BProduct-Related Documents Document NumberDocument Title Syntax Document ConventionsTranslation ItalicsIntroduction to Hotwire DSL Routers What is a Hotwire DSL Router?DSL Technologies Supported Typical DSL Router System H High-speed Internet or intranet access Hotwire DSL Router FeaturesH IP routing with H Console Terminal Interface. Provides an interface forService Subscriber Accessing the DSL Router Access Control to the DSL RouterLevels of Access Local Console Access Changing Access Session Levelsadmin enable show consoleProcedure Setting Up the New Users LoginCUSTOMER#. Type configure terminal and press Enter CUSTOMER - CONFIG#Determining the Current Access Level Telnet AccessDetermining the Available Commands Local console disabled by conflictH list config Using the List CommandExiting from the System Changing the System IdentityManually Logging Out If you are accessing the DSL routerAutomatically Logging Out ThenOverview of DSL Router Configuration Configuring the DSL RouterInterfaces for the DSL Router H DSL InterfaceService Domain IP Address Assignments Ethernet and DSL Interface IdentifiersH Ethernet Interface Numbered DSL Interface Unnumbered DSL InterfaceSimplified Network Topology H Dynamic Host Configuration Protocol DHCP Server H DHCP Relay Agent H Address Resolution Protocol ARP H Proxy ARPIP Routing Network ConsiderationsProxy ARP Address Resolution Protocol ARPNetwork Address Translation NAT Basic NATNetwork Address Port Translation NAPT Dynamic Host Configuration Protocol DHCP Server IP Options ProcessingApplications Supported by NAT Examples DHCP Relay AgentIP Filtering SecurityLand Bug/Smurf Attack Prevention H Land Bug/Smurf Attack Prevention ± Always presentRouted vs. Bridged PDUs If Using This Network Model3-10 Then These DSL Cards Can Be UsedConfiguration Examples DSL Router Configuration ExamplesBasic Configuration Example ifn address eth1 155.1.3.254 ifn address dsl1 155.1.4.254ip route create upstream eth1 nat basic map 192.128.1.1 10.1.3.2 10.1.3.5 nat basic enable Basic NAT Configuration ExampleNAT Mapping Public IP Addresses Private IP Addressesnat napt map tcp 10.1.3.4 23 nat napt enable NAPT Configuration ExampleNAPT Mapping Public IP Addresses Private IP AddressesUnnumbered DSL Interface with Proxy ARP Configuration Example ip route create upstream eth1 155.1.3.253 proxy arp eth1 enableproxy arp dsl1 enable DHCP Relay with Proxy ARP Configuration Example proxy arp dsl1 enable dhcp relay enable dhcp relay addressip route create upstream eth1 155.1.3.253 proxy arp eth1 enable nat basic address 192.128.1.0 nat basic enable DHCP Server with Basic NAT Configuration Exampledhcp server enable Public IP Addresses for Basic NATip route create 130.26.7.0 255.255.255.0 Downstream Router Configuration ExampleDetecting Problems Monitoring the DSL RouterWhat to Monitor show interface Status of Interfacesshow interface eth1 dsl1 ± Ethernet Link up downInterface Statistics show statisticsshow statistics eth1 dsl1 ip List of Discard Reasons Clearing Statisticsclear statistics eth1 dsl1 ip Table 5-1. Discard Reasons for the Ethernet Interface eth1 1 ofTable 5-2. Discard Reasons for the DSL Interface dsl1 1 of Table 5-1. Discard Reasons for the Ethernet Interface eth1 2 ofDiscard Reasons for the DSL Interface dsl1 Monitoring the DSL RouterTable 5-3. Discard Reasons for IP Discard Reasons for IP Table 5-2. Discard Reasons for the DSL Interface dsl1 2 ofMonitoring the DSL Router Discard Reasons for the DSL Interface dsl1Diagnostics and Troubleshooting Overview Diagnostics and TroubleshootingAlarms Inquiry show alarmsSystem Log syslog enable disableshow syslog syslog ip ip-addrsyslog level level SYSLOG Eventsshow log number Table 6-1. SYSLOG Messages 1 ofTable 6-1. SYSLOG Messages 2 of SYSLOG Message DisplayLevel DescriptionPing Test Results PingPing reply x.x.x.x bytes of data=nn Ping reply x.x.x.x REQUEST TIMED OUTTraceRoute Test Results TraceRouteTracing route to x.x.x.x over a max of nn hops with nnn byte packet Round Trip TimeCommand Line Interface Command Line Interface FeatureRefer to Appendix B, Configuration Defaults & Command Line Shortcuts Navigation Command RecallDocument Conventions SyntaxConfiguration Control Commands Command Line Interface Commandsconfigure terminal factory RFC 1483 Encapsulationifn address eth1ifn dsl1ifn ip-address mask primary Interface and Service Domain IP Addressifn dsl1ifn eth1ifn primary ifn address dsl1 unnumbered Examples ifn address dsl1 135.300.41.8 ifn dsl1 primarydelete eth1ifn dsl1ifn IP Routing Tableip route create dest-ip dest-mask next-hop-ip remote Example Refer to Chapter 4, DSL Router Configuration Examplesip route delete upstream eth1ifn ip route create upstream eth1ifn next-hop-ipip route purge Example Refer to Chapter 4, DSL Router Configuration Examplesarp timeout complete time arp timeout incomplete timeproxy arp eth1 dsl1 enable disable ARP Tablenat napt enable nat basic enablenat timeout time nat basic address ip-addr ip-masknat napt delete udp tcp port nat basic delete private-ipExample nat basic map 192.128.1.1 Example nat basic deletedhcp server enable disable nat disableDHCP Server A-10DHCP Relay Agent dhcp relay enable disableA-11 dhcp server router ip-addressIP processing enable disable IP multicast enable disabletrap disable enable name of trap IP Packet Processingshow console Displays console enabled or console disabled show system Show Command Outputsshow config A-13A-14 show arp timeoutshow ip route ip-address show arpshow NAT napt A-15show traps show dhcp serverA-16 show alarms show syslog show log #show DHCP relay show interface show statisticsConfiguration Default Settings Configuration Defaults Command Line ShortcutsTable B-1. Default Configuration Settings Configuration OptionTable B-1. Default Configuration Settings 2 ofConfiguration Option Factory Default SettingTable B-2. Command Line Input Shortcuts 1 of Command Line Input Shortcuts1483encap llc vc arp purgeip route delete upstream eth1ifn ip route purge list config logout Table B-2. Command Line Input Shortcuts 2 ofnat basic enable nat disableshow interface dsl1 eth1 Table B-2. Command Line Input Shortcuts 3 ofshow nat basic napt show statistics dsl1 eth1 ip show syslog show system6371-A2-GB20-10 Configuration Defaults & Command Line ShortcutsTraps & MIBs SNMP OverviewTraps Overview Table C-1. DSL Router Traps DSL Router TrapsTrap EventTrap # SeverityStandard MIBs MIBs OverviewMIB II RFC System GroupTable C-2. System Group Objects Setting/ContentsObject ssssssssssss Boot bb.bb.bb 2nd Boot xx.xx.xx DSPTable C-3. Interfaces Group Objects 1 of Interfaces Group RFCSetting/Contents ObjectSetting/Contents Table C-3. Interfaces Group Objects 2 ofObject DescriptionIP Group RFC Extension to Interfaces Table RFCTable C-4. Extension to Interfaces Table Table C-5. IP Group Objects 1 ofTable C-5. IP Group Objects 2 of IP CIDR Route Group RFCTable C-6. IP CIDR Route Group Objects 1 of Setting/ContentsTable C-6. IP CIDR Route Group Objects 2 of Transmission GroupSetting/Contents ObjectSNMP Group Ethernet-Like MIB RFCC-10 H Configuration MIB pdnConfig.mib H Device Diagnostics MIB pdndiag.mibH Interface Configuration MIB pdninet.mib H Interface Configuration MIB pdnIfExtConfig.mibC-12 Device Diagnostics MIBTable C-8. Application Test Group Objects 1 of Setting/ContentsTable C-8. Application Test Group Objects 2 of C-13Setting/Contents ObjectTable C-8. Application Test Group Objects 3 of C-14Setting/Contents configureC-15 Health and Status MIBTable C-9. Device Status Group Objects Table Setting/ContentsTable C-10. Device Configuration Copy Group Objects Table Configuration MIBC-16 Setting/ContentsTable C-11. Interface Configuration Group Objects Table Interface Configuration MIBARP MIB NAT MIBC-18 DHCP MIBDSL Endpoint MIB Table C-12. DSL Endpoint Configuration Group Objects TableC-19 Setting/ContentsSYSLOG MIB C-20Interface Configuration MIB Accessing the List Command Output DSL Router Terminal EmulationDSL Router Terminal Emulation Terminal Emulation Programs ProcedureProcedure Index SymbolsNumbers IN-1IN-2 IN-3