Paradyne 8310 MVL, 8510 DSL manual Network Problems, Slow Performance, Excessive Collisions

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Diagnostics and Troubleshooting

Network Problems

Review the following symptoms and possible solutions to help in solving any problems you may encounter on the Hotwire DSLAM.

PROBLEM: Intranetworking communication problems.

ACTION: 1. Verify that the internetworking network cables meet IEEE

standards for local Ethernet networks.

2.Check cable connections to DSLAM and other devices in the network.

3.Determine whether or not your system is the only one in the network with a problem.

Slow Performance

PROBLEM: Performance is slow.

ACTION: 1. Check the Ethernet Statistics screen for excessive Cycle Redundancy Check (CRC) errors, a bad connection, or a bad cable (see DSL Monitoring Physical Layer Screens in Chapter 6, Monitoring the Hotwire DSLAM ).

Excessive Collisions

PROBLEM: Excessive collisions on an Ethernet port.

ACTION: 1. Determine if your network is too large or long (single

Ethernet cable or end-to-end cable).

2.Check to see if there are too many repeaters.

3.Check to see if there are too many users on a single Ethernet.

7-8

May 1998

8000-A2-GB26-00

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Contents HOTWIRE Dslam for 8310 MVL and 8510 DSL Cards Copyright 1998 Paradyne Corporation All rights reserved Contents Initial Setup Instructions Traps Contents About This Guide Document Purpose and Intended AudienceDocument Summary Section DescriptionProduct-Related Documents Document Number Document TitleViii Hotwire Dslam System Description What is the Hotwire DSLAM?Central Office CO OptionalHotwire Dslam Components Hotwire Dslam chassis There are two types of chassis98-15973 Features One Management Communications Controller MCC cardConfiguring the DSL Cards Levels of AccessSoftware Functionality Troubleshooting and Diagnostics Monitoring the DSL CardsHotwire Dslam System Description Hotwire Menus and Screens OverviewComponents of a Hotwire Menu Menu and Screen FormatsComponents of a Hotwire Screen Commonly Used Navigation Keys Keys DefinitionHotwire Chassis Main Menu Hotwire Menu HierarchyHotwire Chassis Hotwire DSL Hotwire ± MCC MenuHotwire ± DSL Menu DiagnosticsCard Status Interfaces ConfigurationPorts Download CodeLogging In to the System Reviewing the Levels of Access User Login ScreenCard Selection Screen Position Display Description Manually Logging Off Exiting From the SystemAutomatically Logging Off Initial Setup Instructions Accessing the System for the First TimeInitial Setup Instructions Additional Setup Instructions Chassis Information Screen Whats Next?Field Input Description Configuring the Hotwire Dslam Configuring the MCC Card and DSL CardsFor each Access Node, perform task See For the Management Domain, perform task SeeSetting the IP Address and Subnet Mask Clear NvramSetting Time and Date Creating the Default Route Configuration → Snmp → Communities/Traps A-F-BConfiguring VLANs on a DSL or MVL Card Configuring the Active Vlan on each DSL or MVL PortConfiguring the Next Hop Router for each Vlan Configuring Static UsersConfiguring the Hotwire Dslam MVL and 8510 DSL Card Configuration DSL Configuration Card Status ScreensTime/Date Card Status Options 1Card Info Card Information Nvram ClearCard Status Options 2 Card Status Options 3 Apply DownloadPorts Options 1 DSL Configuration Ports ScreensEthernet Port Ports Options 2 DSL Ports DSL Parameters 8510 CardPorts Options 3 DSL Configuration Interfaces ScreensDSL Ports DSL Parameters 8310 Card General General Interfaces DSL Configuration Users ScreensInterfaces Options Control Control InterfacesDSL Configuration Bridge Screens Card Vlan Card Bridge Options 1General Port Vlan PortARP Parameters and Add ARP Entry E a and B Bridge Options 2Client Vlan Client Parameters aService Node Options DSL Configuration Service Node ScreensSN Configuration Monitoring the Hotwire Dslam DSL Monitoring Card Status ScreensCard Status Options Login HistoryCard Info General Card Information Physical Layer Options 1 DSL Monitoring Physical Layer ScreensActive List Active Ports List Physical Layer Options 2 Ethernet Stats Ethernet StatisticsEtherHDLC Stats EtherHDLC Statistics Physical Layer Options 3Initialized EtherHDLC Ports ± s1c, s1d, s1e, or s1f DSL Link Perf DSL Link Performance Summary Physical Layer Options 4DSL Perf Stats DSL Performance Stats Physical Layer Options 5 DSL Error StatsDSL Xmit Status DSL Transmit Stats DSL Monitoring Interfaces Screens Active List Active Interfaces List Monitor Interfaces OptionsStatus Interface Status DSL Network Protocol Screens Monitoring → Network Protocol B-DSocket Statistics Network Protocol Options 1UDP Statistics Network Protocol Options 2 TCP Statistics TCP Data StatisticsTCP Connection Statistics Network Protocol Options 3IP Statistics Icmp Statistics Icmp Packet Statistics Network Protocol Options 4Snmp Statistics Snmp Authentication Statistics Network Protocol Options 5DSL Bridge Screens Bridge Table MAC TableUser to Display ± Entry number ClientARP Table DSL SN Information Screen Service Node Options Diagnostic Screens Diagnostics and TroubleshootingApplications Screens Selftest Diagnostics OptionsAlarms Card Alarms DSL Packet Echo TestTroubleshooting R U U U XChecking Alarms Major Alarms 1 Failure Type ActionEthernet port 1. Check cable connections to the Dslam Major Alarms 2 Failure Type ActionFailure Margin Minor Alarms 1 Failure Type ActionThreshold Minor Alarms 2 Failure Type Action Link DownSlow Performance Network ProblemsExcessive Collisions Cannot Upload Configurations to a Unix Server No Response at StartupDiagnostics and Troubleshooting Download Code and Apply Download Code Tftp Server ConfigurationFully Functional System Deferred Apply Apply Download Download Only System Automatic Immediate ApplyDownload Code and Apply Download DSL Card Traps TrapsEvent Trap Class Comment Trap # ± MIB Traps Event Trap Class Comment Trap # ± MIB Traps Glossary Ethernet address E1aEthernet FilterPots Splitter Service NodePacket Proxy ARPTraceRoute TelnetTerminal emulation UpstreamIndex IN-1IN-2