Manuals / NEC / Computer Equipment / Network Hardware

NEC IP8800/S3600, IP8800/S6600, IP8800/S2400, IP8800/S6700 manual Conventions abbreviations, BGP4+

Models: IP8800/S6700 IP8800/S3600 IP8800/S6600 IP8800/S6300 IP8800/S2400

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Page 6

Introduction

For IP8800/S2400

Procedures from unpacking the product to making basic settings at the initial installation

Information on the facility requirement of the hardware

Information on handling of the hardware

Information on software functions, configuration, and confirmation by using operation commands

Syntax and parameter details of configuration commands

Syntax and parameter details of operation commands

Details of operation messages and logs

Details of supported MIBs

Information on troubleshooting

IP8800/S3600, IP8800/S2400

Quick Start Guide (IP88S36-Q001)

IP8800/S3600, IP8800/S2400

Hardware Installation Guide (IP88S36-H001)

IP8800/S2400 Software Manual Configuration Settings, Vol.1 (IP88S24-S001)

IP8800/S2400 Software Manual Configuration Settings, Vol.2 (IP88S24-S002)

IP8800/S2400 Software Manual Configuration Commands (IP88S24-S003)

IP8800/S2400 Software Manual Operation Commands (IP88S24-S004)

IP8800/S2400 Software Manual Message Log Reference (IP88S24-S005)

IP8800/S2400 Software Manual

MIB Reference (IP88S24-S006)

IP8800/S6700, IP8800/S6600, IP8800/S6300, IP8800/S3600, IP8800/S2400 Troubleshooting Guide (IP88S36-T001)

■Conventions: abbreviations

AC	Alternating Current
ACK	ACKnowledge
ADSL	Asymmetric Digital Subscriber Line
ALG	Application Level Gateway
ANSI	American National Standards Institute
ARP	Address Resolution Protocol
AS	Autonomous System
AUX	Auxiliary
BCU	Basic Control Unit
BGP	Border Gateway Protocol
BGP4	Border Gateway Protocol - version 4
BGP4+	Multiprotocol Extensions for Border Gateway
bit/s	Protocol - version 4
bit/s	bits per second *Usually, abbreviated as bps.
BPDU	Bridge Protocol Data Unit
BRI	Basic Rate Interface
BSU	Basic Switching Unit
CC	Continuity Check
CDP	Cisco Discovery Protocol
CFM	Connectivity Fault Management
CIDR	Classless Inter-Domain Routing

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NEC IP8800/S3600, IP8800/S6600, IP8800/S2400, IP8800/S6700, IP8800/S6300 manual Conventions abbreviations, BGP4+

Contents

Troubleshooting Guide IP88S36-T001-000November, 2009 1st Edition IP88S36-T001-000 Copyright c 2009, NEC Corporation, All rights reservedCorrection of this manual IntroductionApplicable product Intended usersIP8800/S3600, IP8800/S2400 Troubleshooting Guide IP88S36-T001Operation Commands, Vol.1 IP88S63-S006 IP8800/S6700, IP8800/S6600, IP8800/S6300III IntroductionConventions abbreviations BGP4+CIR MIP Conventions kB, MB, GB, and TB Page Contents Layer 2 Network Communication Failure Layer 2 Authentication Communication FailureNetwork Interface Communication Failure IPv4 Network Communication FailureCommunication Failure on High-reliability Function 103 Problems on Power Saving Feature 123When Resource Shortage Occurs in Shared Memory 135 Snmp Communication Failure 110Writing to MC 152 Transferring Files for Maintenance Information 144Testing Line 154 Restarting the System 160Operations and actions Safety guide for the IP8800/S6700 seriesSymbols Be careful in operationDo not remove the device cover Do not use power not specifiedDo not place the device in an unstable location Do not put foreign matters in the deviceGrounding is required Do not touch the potential tapHandle the power cable with caution Do not plug too many leads into a single outletKeep air dusters away from fire Do not block the intake and/or exhaust port Do not install the device in a humid or dusty environmentDo not stack the devices Before carrying the device, remove the cablesDo not roughly handle the power cable Do not drop an optional componentDo not touch the inside of the device Be careful of laser beams Lithium batteryCleaning An SFP-T has the following label attachedHandle a memory card with care Do not attach a label or the like to the transceiversAttach an option component with care Do not bring a TV or radio close to the device Handle the optical connector with careMaintenance and cleaning Use air dusters with carePage Safety Guide IP8800/S6600 Safety guide for the IP8800/S6600 seriesSafety Guide IP8800/S6600 Do not place the device in an unstable locationXix Model Mass Number of peopleIP8800/S6604 45 kg/100 lb Or more IP8800/S6608 64 kg/142 lb Handle the power cable with caution Label below is attached to the deviceKeep air dusters away from fire Model Items Use support brackets only for IP8800/S6604Use support brackets with care IP8800/S6604Do not block the intake and/or exhaust port Do not roughly handle the power cable Lithium battery Handle a memory card with care Attach an option component with care Do not bring a TV or radio close to the device Safety Guide IP8800/S6300 Safety guide for the IP8800/S6300 seriesSafety Guide IP8800/S6300 Do not place the device in an unstable locationGrounding is required Model Mass Number of people IP8800/S6304 45kg/100 lb Or more IP8800/S6308 64kg/142 lbKeep air dusters away from fire Use support brackets only for IP8800/S6304 IP8800/S6304Do not block the intake and/or exhaust port Do not roughly handle the power cable Lithium battery Handle a memory card with care Attach an option component with care Damaged by the static electricityDo not bring a TV or radio close to the device Safety guide for the IP8800/S3600 and IP8800/S2400 series Operations and HandlingSafety Guide IP8800/S3600 IP8800/S2400 Do not put foreign materials in the deviceDevice in Trouble Action to Be Taken Do not use power not specified Do not use the cable with the protection cap detached Do not use too many plugs at a single outletDo not place the device in an unstable location Do not block the intake/exhaust portPrecaution on carrying the device XlviDo not touch the device directly if you have metal allergies Be careful of the laser beamsDo not ride, recline, or place a heavy loading on the device Do not bring a TV or radio close to the device Before installing or Uninstalling Handle a memory card and a dummy memory card with careUse air dusters with care Discarding the devicePage Overview Failure Analysis Overview OverviewLED Indications, Switches, and Connectors System and Partial Failure Analysis OverviewName Type Status Description Connecting operation terminal Failure Analysis for IP8800/S3600 and IP8800/S2400Overview Name Type Status Description Name Type Function Description Lit in green Power on OFF Power OFF or power failureConnector Memory card slot LED GreenSent/received Overview Name Type Function DescriptionOrange 100/1000BASE-T Ethernet port BlockedFunctional Failure Analysis Overview Functional Failure Status and ReferenceSubitem Reference Overview Subitem Reference Active BSU Switchover Is Disabled Time Synchronization by NTP Is DisabledActive System Switchover Is Disabled Schedule Is Disabled IP8800/S6700Page Troubleshooting System Failures Troubleshooting System Failures Troubleshooting Procedure on System FailuresTroubleshooting System Failures Failure ActionPower Failure Check Items Troubleshooting System Failures ActionReplacement Method of Optional Components Troubleshooting for IP8800/S3600 and IP8800/ S2400 Follow the steps in -4 Isolating Power Supply FailureIsolating Power Supply Failure Power failure according to -4 Isolating Power SupplyFailures on External Power Unit to isolate the failure Isolating Failures on External Power Unit Main Body Isolating Failures on External Power UnitIsolating Failures on External Power Unit Isolating Failures on Power ModuleReplacement Method of System and Optional Components Troubleshooting Functional Failures in Operation Troubleshooting Functional Failures in Operation Problems on Login Password Forgot the Login User PasswordForgot the System Administrator Password Problems and Actions When MC not found is displayed Problems on MCMC not found is displayed when MC is accessed Instruction in -1 Problems and Actions When MCUnable to Input/Display from the Console Correctly Problems on Operation TerminalProblems and Actions When Connecting to Console System and Partial Failure Analysis OverviewLogin from the Remote Operation Terminal Is Failed Problems and Actions When Connecting to ModemSymptom Action to Be Taken or Reference Disabled, check No or later Login Authentication Using RADIUS/TACACS+ Is DisabledCommand Authorization Using RADIUS/TACACS+ Is Disabled Some users remain in the loginTroubleshooting Functional Failures in Operation Ethernet Port Cannot Be Connected NIF Status Problem ActionNetwork Interface Communication Failure Checking port statusPort Status Problem Action Checking statistical informationCheck and Action for Port Status Checking BSU/PSP operation status Communication Failure in Basic Switching Unit BSU/PSPBSU Operation Problem Action Status Check and Action for BSU/PSP Operation StatusStatus, see 3.20 Problems on Redundant Configuration of Basic Switching Unit BSUActions against Troubles on 10BASE-T/100BASE-TX/ 1000BASE-T Troubleshooting for Failed 10BASE-T/100BASE-TX/1000BASE-T Troubleshooting Steps Problem ActionActions against Troubles on 1000BASE-X 10 Failure Analysis Method for Troubles on 1000BASE-XActions against Troubles on 10GBASE-R Troubleshooting Functional Failures in Operation 11 Failure Analysis Method for Troubles on 10GBASE-RCommunication Failure on Using PoE Troubleshooting Steps and Command ActionCheck the setting of failed link aggregation Communication Failure on Using Link AggregationFunction of the port by the power inline command AllocationsLink aggregation group is Disabled and Down Check the setting of failed port status usingCH Disabled Tion, set the Duplex mode to FullLayer 2 Communication by Vlan Is Disabled Layer 2 Network Communication FailureChecking Vlan status Checking MAC address table Take the action below according to the Type displayedFailures on Using Spanning Tree Checking filtering/QoSFlooding is executed if the MAC address is not displayed Failures on Using Ring Protocol 14 Spanning Tree Failure Analysis MethodSee 3.4 Network Interface Communication Failure 15 Ring Protocol Failure Analysis Method Replace the faulty PartsTroubleshooting Steps Action Command Analysis FlowSee the manual Configuration Guide Command to check timer values forTransmission delay is not considered Spanning tree or Gsrp is used at Configurations Same timeMulticast Relay by Igmp snooping Is Disabled Show system command 16 Troubleshooting on Multicast RelayHas been set up appropriately for system operation Multicast in the VLAN. IP8800/S3600If a multicast router is connected, check mrouter-port Group addressMulticast Relay by MLD snooping Is Disabled Is it a relay within the same VLAN?17 Troubleshooting on Multicast Relay Check the following You want to use IPv6 multicast atUsing the show mld-snooping Communication Is Disabled or Is Disconnected IPv4 Network Communication FailureChecking log RouteChecking ARP resolution information with neighboring system Checking interface statusChecking unicast routing information Checking DHCP/BOOTP setting informationChecking filtering/QoS setting information Checking option license OP-NPAR OP-NPARIP Addresses Cannot Be Assigned Using Dhcp Function DHCP/BOOTP relay communication failureChecking ARP resolution information with neighboring system Checking the log and interfaceChecking route information Checking filtering/QoS setting information Checking DHCP/BOOTP setting informationDhcp server communication trouble Checking configuration Checking the log message and interfaceAssociated with each log message DynamicDNS Cooperation in Dhcp Function Is Disabled Checking layer 2 networkDNS update disabled Check the configuration SystemChecking route information No Ospf Routing Information Exists IPv4 Unicast Routing Communication FailureNo RIP Routing Information Exists 18 RIP Failure Analysis Method20 BGP4 Failure Analysis Method No BGP4 Routing Information ExistsNo Routing Information Exist OP-NPAR 21 VRF Failure Analysis MethodCommon check items Communication on IPv4 PIM-SM Network Is DisabledIPv4 Multicast Routing Communication Failure 22 Common Check ItemsBSR check items 23 BSR Check Items Rendezvous point router check itemsLast-hop-router check items 24 Rendezvous Point Router Check ItemsMulticast Data Is Double-relayed on IPv4 PIM-SM Network First-hop-router check items26 first-hop-router Check Items 28 Common Check Items Communication on IPv4 PIM-SSM Network Is Disabled27 Check Items When Double-relay Continues Multicast Sender First-hop-router Last-hop-router Data29 last-hop-router Check Items Multicast Data Is Double-relayed on IPv4 PIM-SSM Network 30 first-hop-router Check Items32 Check Items for VRF 31 Check Items When Double-relay Continues5 IPv4 Multicast Communication Failure In VRF OP-NPAR Is Double-relayed on IPv4 PIM-SSM NetworkIPv6 Network Communication Failure Checking NDP resolution information with neighboring system Checking the log and interfaceChecking unicast interface information 2 IPv6 Dhcp Troubleshooting Checking RA setting informationConfiguration is not distributed Checking the status of the IPv6 Dhcp server in this system See the manuals Message Log ReferenceCheck the status of IPv6DHCP server Procedure to check configuration Duplicate acquisition by the clientChecking client setting Procedure for restoring from duplicate distributionCondition Cause Binding Information Route Information Deleting the file containing Duid information Reconfiguring route informationIf Duid of this system conflicts with other system Reproducing the DuidChecking the Duid No OSPFv3 Routing Information Exists 10 IPv6 Unicast Routing Communication FailureNo RIPng Routing Information Exists 35 Failure Analysis of RIPng37 BGP4+ Failure Analysis Method Hop address resolution in BGP4+ exist ExistsNo BGP4+ Routing Information Exists Go to No.5 if no route existCommunication on IPv6 PIM-SM Network Is Disabled 11 IPv6 Multicast Routing Communication Failure38 Common Check Items Relay target group address Rendezvous point setting Neighboring router using the show ipv6 pimCommand with interface parameter specified If the unicast route does not exist, see 3.10 IPv6 Unicast40 Rendezvous Point Router Check Items Multicast receiver Configuration to run MLD39 BSR Check Items 41 last-hop-router Check Items43 Check Items When Double-relay Continues Multicast Data Is Double-relayed on IPv6 PIM-SM Network42 first-hop-router Check Items Communication on IPv6 PIM-SSM Network Is Disabled 44 Common Check ItemsTo the ports to which neighboring routers connect 45 last-hop-router Check Items Group join function is running Multicast Data Is Double-relayed on IPv6 PIM-SSM Network46 first-hop-router Check Items For MLD snooping47 Check Items When Double-relay Continues Troubleshooting Functional Failures in OperationLayer 2 Authentication Communication Failure Communication Failure on Using Ieee48 Ieee 802.1X Failure Analysis Method Authentication dynamic mode, go to No Following cause. Check to see if there is any problemTable setting failed To see if authentication failedAuthentication dynamic. Match the Vlan ID set for Command and check to see if dynamicAssignment of Vlan authentication Tunnel-Type for the Radius server to VLAN13Communication Failure on Using Web Authentication 50 Failure Analysis Method for Web AuthenticationIPv4 access list are set in the access list as well Check to see authentication Ipv4 access listConfirm that authentication IPv4 access list is applied Port for authenticationWhen Web Server Is restarted Using AuthenticatedCommand Soon After Suspended Restarted. The Web server starts to perform authentication51 Checking Web Authentication Configuration Check Point Troubleshooting StepsSetting Information 52 Web Authentication Failure Analysis Method Failure Analysis Method for Web AuthenticationCommunication Failure on Using MAC Authentication 53 Failure Analysis Method for MAC AuthenticationAuthentication is displayed by the show To No.7 IPv4 access list is appliedNot applied to the port for authentication Configuration command mac-authentication port55 MAC Authentication Failure Analysis Method Communication Failure on Using Authentication Vlan OP-VAA54 Checking MAC Authentication Configuration Failure Analysis Method for MAC Authentication56 Authentication Vlan Failure Analysis Method 10057 Checking Authentication Vlan Configuration When Vlan Identification Table Resource Shortage Occurs101 102 Communication Failure on High-reliability Function Gsrp Communication Failures60 Analysis Method for Gsrp Unknown Adjacency 10461 Vrrp Failure Analysis Method 105106 62 Vrrp Failure Analysis Method 107108 Set up, and the virtual router may operate. IP8800/S3600 109Snmp Communication Failure MIBs Cannot Be Obtained from Snmp ManagerTraps Cannot Be Received by Snmp Manager 111 SFlow Packets Do Not Reach Collector Checking operation status by operation commandChecking configuration Checking failures etc Checking route to the collectorChecking configuration Collector information must be set correctlyChecking settings of collector Checking NIF/port status114 Checking presence/absence of the relay packet Flow Sample Does Not Reach CollectorCounter Sample Does Not Reach Collector Checking transmission interval of counter sample63 Failure Analysis Method When Using Lldp Functions 64 Failure Analysis When Using Oadp FunctionNetwork Interface Communication Failure Otherwise, see 3.4 Network Interface Communication Failure Checking Filtering/QoS Setting Information to check for it117 Otherwise, see 3.5 Layer 2 Network Communication FailureTime Synchronization by NTP Is Disabled NTP Communication Failure65 NTP Failure Analysis Method Communication Failure on IEEE802.3ah/UDLD Function Port Becomes Inactive Due to IEEE802.3ah/UDLD FunctionActive System Switchover Is Disabled 67 Problems and Actions When Switching Active SystemCause for Switchover Disabled Troubleshooting Steps Active BSU Switchover Is Disabled 68 Failure Analysis Method When BSU Switchover Disabled122 BoardsSchedule error caused by Problems on Power Saving FeatureSet to disabled, delete the entry that is Display of Result Confirmation Cause ActionNeighboring system in 3.6.1 Communication Is Disabled or Is Neighboring system in 3.9.1 Communication Is Disabled or IsDisconnected 125 Communication Failure Caused by Settings of Filtering/QoS Checking Filtering/QoS Setting InformationChecking packet discarding by filtering IP8800/S3600 and IP8800/S2400 127Page IP8800/S6700 IP8800/S6600 IP8800/S6300 129Operation Log Message for Checking Resource Usage MAC Address Table Resource ShortageChecking Resource Usage of MAC Address Table Operation Log Message for Checking Resource Use Status131 File Name Specified for get Log Message132 Checking Vlan Identification Table Resource Usage Entry to Be Cleared Step Vlan setting.*1Vlan Identification Table Entry Clear Method Tag translation functionWhen Resource Shortage Occurs in Shared Memory Checking Resource Usage of Shared MemoryPage Collecting Failure Information 137Collecting Failure Information Collecting Failure InformationAvailable Information via ftp File Name Specified for get Acquiring Basic InformationCollecting basic information 139Collecting Failure Information Using dump Command IP8800 Collecting memory dump when communication failure occurs140 After above log is displayed, execute next the dump command 141142 143 Transferring Files for Maintenance Information Maintenance InformationStorage Location and File Name File Transfer Transferring Files Using ftp Command Transferring dump files to the remote operation terminal145 146 ETA 147Transferring log information to a console Transferring failure backup information files to a consoleTransferring dump files to a console 148IP8800/S6700 IP8800/S6600 IP8800/S6300 149Files That Can Be Acquired Using ftp Command 150File Name Specified for Acquired Files 10 Collecting Dump Files from the Remote Terminal 151Writing File to MC Using Operation Terminal Writing to MCLine Test 153Checking frame loopback within system Testing LineEthernet Port Line Test Type for Each Frame Loopback PointCommand IP8800/S6700 IP8800/S6600 IP8800/S6300 155Checking frame loopback at a loop connector 156157 Page Restarting the System 159Restarting the System Restarting the SystemSpecifying when 161Set the system to restart Or stop Parameter to input Active Standby None162 Selecting CPU Memory Dump Type 163Collect Memory dump? Memorydump is Restart? Dump Back to command input mode164 Collecting memoryAppendix 165Appendix a Contents of show tech-support Command Display 167 168 169 170 171 172 173 Table A-2 Details of Display Contents IP8800/S3600 IP8800/S3600174 175 Log information during software Update for Ver.11.1 and later176 Information 2 for Ver.10.7 Earlier177 178 179 180 Table A-3 Details of Display Contents IP8800/S2400 IP8800/S2400181 182 183 Information on L2 loop detection For Ver.10.7 and later184 Built-in WEB authentication DB For Ver.10.3 and laterAuthenticated user account MLD snooping group information185 Page Index 187188 Index