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Paradyne Routers 2. Discard Reasons for the DSL Interface dsl1 2 of, Monitoring the DSL Router

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Monitoring the DSL Router

Table 5-2. Discard Reasons for the DSL Interface (dsl1) (2 of 2)

Discard Reasons for the DSL Interface (dsl1)

Srv Domain Wrpr TX Queue Overflows

Unknown Frame Type Errors

Unrecognized VNID

Unsupported Encapsulation Protocol

Unsupported Network Protocol

Table 5-3. Discard Reasons for IP

Discard Reasons for IP

Bad Port to Destination

Bad Port to Source

DSL Receive Packets Filtered

DSL Transmit Packets Filtered

Ethernet Receive Packets Filtered

Ethernet Transmit Packets Filtered

Fragmentation Failures

ICMP Errors

IP Processing Disabled

No Route to Destination

No Route to Source

No Upstream Route

Other Reassembly Failures

Other Receive Errors

Other Transmit Errors

Packets Pending on ARP Discarded

Reassembly Timeout

TCP Errors

Time to Live Expired

Transport Protocol Not Handled

UDP Errors

5-6

August 2000

6371-A2-GB20-10

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Paradyne Routers 2. Discard Reasons for the DSL Interface dsl1 2 of, 3. Discard Reasons for IP Discard Reasons for IP

Contents

HOTWIRE DSL ROUTERS USERS GUIDEDocument No. 6371-A2-GB20-10 AugustWarranty, Sales, Service, and Training Information Copyright E 2000 Paradyne Corporation All rights reservedPrinted in U.S.A Document FeedbackContents 1 Introduction to Hotwire DSL Routers2 Accessing the DSL Router About This GuideContents Configuring the DSL RouterDSL Router Configuration Examples 6 Diagnostics and Troubleshooting A Command Line Interface5 Monitoring the DSL Router ContentsB Configuration Defaults & Command Line Shortcuts C Traps & MIBsD DSL Router Terminal Emulation IndexAbout This Guide Document Purpose and Intended AudienceDocument Summary ChapterAppendix A Appendix BDocument Title Product-Related DocumentsDocument Number Document Conventions SyntaxTranslation ItalicsDSL Technologies Supported Introduction to Hotwire DSL RoutersWhat is a Hotwire DSL Router? Typical DSL Router System Hotwire DSL Router Features H High-speed Internet or intranet accessH IP routing with H Console Terminal Interface. Provides an interface forService Subscriber Levels of Access Accessing the DSL RouterAccess Control to the DSL Router Changing Access Session Levels Local Console Accessadmin enable show consoleSetting Up the New Users Login ProcedureCUSTOMER#. Type configure terminal and press Enter CUSTOMER - CONFIG#Telnet Access Determining the Current Access LevelDetermining the Available Commands Local console disabled by conflictUsing the List Command H list configExiting from the System Changing the System IdentityIf you are accessing the DSL router Manually Logging OutAutomatically Logging Out ThenConfiguring the DSL Router Overview of DSL Router ConfigurationInterfaces for the DSL Router H DSL InterfaceH Ethernet Interface Service Domain IP Address AssignmentsEthernet and DSL Interface Identifiers Simplified Network Topology Numbered DSL InterfaceUnnumbered DSL Interface H Address Resolution Protocol ARP H Proxy ARP H Dynamic Host Configuration Protocol DHCP Server H DHCP Relay AgentIP Routing Network ConsiderationsAddress Resolution Protocol ARP Proxy ARPNetwork Address Port Translation NAPT Network Address Translation NATBasic NAT Applications Supported by NAT Dynamic Host Configuration Protocol DHCP ServerIP Options Processing DHCP Relay Agent ExamplesSecurity IP FilteringLand Bug/Smurf Attack Prevention H Land Bug/Smurf Attack Prevention ± Always presentIf Using This Network Model Figure 3-1. 1483 Routed Network Model Standard modeRouted vs. Bridged PDUs 3-10DSL Router Configuration Examples Configuration Examplesip route create upstream eth1 Basic Configuration Exampleifn address eth1 155.1.3.254 ifn address dsl1 155.1.4.254 Basic NAT Configuration Example nat basic map 192.128.1.1 10.1.3.2 10.1.3.5 nat basic enableNAT Mapping Public IP Addresses Private IP AddressesNAPT Configuration Example nat napt map tcp 10.1.3.4 23 nat napt enableNAPT Mapping Public IP Addresses Private IP Addressesproxy arp dsl1 enable Unnumbered DSL Interface with Proxy ARP Configuration Exampleip route create upstream eth1 155.1.3.253 proxy arp eth1 enable ip route create upstream eth1 155.1.3.253 proxy arp eth1 enable DHCP Relay with Proxy ARP Configuration Exampleproxy arp dsl1 enable dhcp relay enable dhcp relay address DHCP Server with Basic NAT Configuration Example nat basic address 192.128.1.0 nat basic enabledhcp server enable Public IP Addresses for Basic NATDownstream Router Configuration Example ip route create 130.26.7.0 255.255.255.0What to Monitor Detecting ProblemsMonitoring the DSL Router Status of Interfaces show interfaceshow interface eth1 dsl1 ± Ethernet Link up downshow statistics eth1 dsl1 ip Interface Statisticsshow statistics Clearing Statistics List of Discard Reasonsclear statistics eth1 dsl1 ip Table 5-1. Discard Reasons for the Ethernet Interface eth1 1 ofTable 5-1. Discard Reasons for the Ethernet Interface eth1 2 of Table 5-2. Discard Reasons for the DSL Interface dsl1 1 ofDiscard Reasons for the DSL Interface dsl1 Monitoring the DSL RouterTable 5-2. Discard Reasons for the DSL Interface dsl1 2 of Table 5-3. Discard Reasons for IP Discard Reasons for IPMonitoring the DSL Router Discard Reasons for the DSL Interface dsl1Diagnostics and Troubleshooting Diagnostics and Troubleshooting OverviewAlarms Inquiry show alarmssyslog enable disable System Logshow syslog syslog ip ip-addrSYSLOG Events syslog level levelshow log number Table 6-1. SYSLOG Messages 1 ofSYSLOG Message Display Table 6-1. SYSLOG Messages 2 ofLevel DescriptionPing Ping Test ResultsPing reply x.x.x.x bytes of data=nn Ping reply x.x.x.x REQUEST TIMED OUTTraceRoute TraceRoute Test ResultsTracing route to x.x.x.x over a max of nn hops with nnn byte packet Round Trip TimeRefer to Appendix B, Configuration Defaults & Command Line Shortcuts Command Line InterfaceCommand Line Interface Feature Command Recall NavigationDocument Conventions SyntaxCommand Line Interface Commands Configuration Control Commandsconfigure terminal factory RFC 1483 EncapsulationInterface and Service Domain IP Address ifn address eth1ifn dsl1ifn ip-address mask primaryifn dsl1ifn eth1ifn primary ifn address dsl1 unnumbered Examples ifn address dsl1 135.300.41.8 ifn dsl1 primaryIP Routing Table delete eth1ifn dsl1ifnip route create dest-ip dest-mask next-hop-ip remote Example Refer to Chapter 4, DSL Router Configuration Examplesip route create upstream eth1ifn next-hop-ip ip route delete upstream eth1ifnip route purge Example Refer to Chapter 4, DSL Router Configuration Examplesarp timeout incomplete time arp timeout complete timeproxy arp eth1 dsl1 enable disable ARP Tablenat basic enable nat napt enablenat timeout time nat basic address ip-addr ip-masknat basic delete private-ip nat napt delete udp tcp portExample nat basic map 192.128.1.1 Example nat basic deletenat disable dhcp server enable disableDHCP Server A-10dhcp relay enable disable DHCP Relay AgentA-11 dhcp server router ip-addressIP multicast enable disable IP processing enable disabletrap disable enable name of trap IP Packet ProcessingShow Command Outputs show console Displays console enabled or console disabled show systemshow config A-13show arp timeout A-14show ip route ip-address show arpA-15 show NAT naptshow traps show dhcp servershow alarms show syslog show log # A-16show DHCP relay show interface show statisticsConfiguration Defaults Command Line Shortcuts Configuration Default SettingsTable B-1. Default Configuration Settings Configuration Option2 of Table B-1. Default Configuration SettingsConfiguration Option Factory Default SettingCommand Line Input Shortcuts Table B-2. Command Line Input Shortcuts 1 of1483encap llc vc arp purgeTable B-2. Command Line Input Shortcuts 2 of ip route delete upstream eth1ifn ip route purge list config logoutnat basic enable nat disableTable B-2. Command Line Input Shortcuts 3 of show interface dsl1 eth1show nat basic napt show statistics dsl1 eth1 ip show syslog show systemConfiguration Defaults & Command Line Shortcuts 6371-A2-GB20-10Traps Overview Traps & MIBsSNMP Overview DSL Router Traps Table C-1. DSL Router TrapsTrap EventTrap # SeverityMIBs Overview Standard MIBsMIB II RFC System GroupSetting/Contents Table C-2. System Group ObjectsObject ssssssssssss Boot bb.bb.bb 2nd Boot xx.xx.xx DSPInterfaces Group RFC Table C-3. Interfaces Group Objects 1 ofSetting/Contents ObjectTable C-3. Interfaces Group Objects 2 of Setting/ContentsObject DescriptionExtension to Interfaces Table RFC IP Group RFCTable C-4. Extension to Interfaces Table Table C-5. IP Group Objects 1 ofIP CIDR Route Group RFC Table C-5. IP Group Objects 2 ofTable C-6. IP CIDR Route Group Objects 1 of Setting/ContentsTransmission Group Table C-6. IP CIDR Route Group Objects 2 ofSetting/Contents ObjectC-10 SNMP GroupEthernet-Like MIB RFC H Device Diagnostics MIB pdndiag.mib H Configuration MIB pdnConfig.mibH Interface Configuration MIB pdninet.mib H Interface Configuration MIB pdnIfExtConfig.mibDevice Diagnostics MIB C-12Table C-8. Application Test Group Objects 1 of Setting/ContentsC-13 Table C-8. Application Test Group Objects 2 ofSetting/Contents ObjectC-14 Table C-8. Application Test Group Objects 3 ofSetting/Contents configureHealth and Status MIB C-15Table C-9. Device Status Group Objects Table Setting/ContentsConfiguration MIB Table C-10. Device Configuration Copy Group Objects TableC-16 Setting/ContentsInterface Configuration MIB Table C-11. Interface Configuration Group Objects TableARP MIB NAT MIBDHCP MIB C-18Table C-12. DSL Endpoint Configuration Group Objects Table DSL Endpoint MIBC-19 Setting/ContentsInterface Configuration MIB SYSLOG MIBC-20 DSL Router Terminal Emulation Accessing the List Command OutputDSL Router Terminal Emulation Procedure Terminal Emulation ProgramsProcedure Symbols IndexNumbers IN-1IN-2 IN-3