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NEC IP8800/S3600, IP8800/S6600, IP8800/S2400 manual Troubleshooting Functional Failures in Operation

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

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3 Troubleshooting Functional Failures in Operation

This chapter describes actions to be taken when the system does not operate normally or the communication is not possible.

3.1Problems on Login Password

3.2Problems on MC

3.3Problems on Operation Terminal

3.4Network Interface Communication Failure

3.5Layer 2 Network Communication Failure

3.6IPv4 Network Communication Failure

3.7IPv4 Unicast Routing Communication Failure

3.8IPv4 Multicast Routing Communication Failure

3.9IPv6 Network Communication Failure

3.10IPv6 Unicast Routing Communication Failure

3.11IPv6 Multicast Routing Communication Failure

3.12Layer 2 Authentication Communication Failure

3.13Communication Failure on High-reliability Function

3.14SNMP Communication Failure

3.15Troubleshooting of sFlow Statistics (Flow Statistics) Function

3.16Communication Failures on Neighboring System Managing Function

3.17NTP Communication Failure

3.18Communication Failure on IEEE802.3ah/UDLD Function

3.19Problems on Redundant Configuration of Basic Control Unit (BCU)/Control and Switching Unit (CSU)/Management and Switching Unit (MSU) [IP8800/S6700] [IP8800/S6600] [IP8800/S6300]

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NEC IP8800/S3600, IP8800/S6600, IP8800/S2400, IP8800/S6700, IP8800/S6300 Troubleshooting Functional Failures in Operation

Contents

IP88S36-T001-000 Troubleshooting GuideCopyright c 2009, NEC Corporation, All rights reserved November, 2009 1st Edition IP88S36-T001-000Applicable product IntroductionCorrection of this manual Intended usersOperation Commands, Vol.1 IP88S63-S006 Troubleshooting Guide IP88S36-T001IP8800/S3600, IP8800/S2400 IP8800/S6700, IP8800/S6600, IP8800/S6300Introduction IIIBGP4+ Conventions abbreviationsCIR MIP Conventions kB, MB, GB, and TB Page Contents Network Interface Communication Failure Layer 2 Authentication Communication FailureLayer 2 Network Communication Failure IPv4 Network Communication FailureWhen Resource Shortage Occurs in Shared Memory 135 Problems on Power Saving Feature 123Communication Failure on High-reliability Function 103 Snmp Communication Failure 110Testing Line 154 Transferring Files for Maintenance Information 144Writing to MC 152 Restarting the System 160Symbols Safety guide for the IP8800/S6700 seriesOperations and actions Be careful in operationDo not place the device in an unstable location Do not use power not specifiedDo not remove the device cover Do not put foreign matters in the deviceDo not touch the potential tap Grounding is requiredDo not plug too many leads into a single outlet Handle the power cable with cautionKeep air dusters away from fire Do not stack the devices Do not install the device in a humid or dusty environmentDo not block the intake and/or exhaust port 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 Cleaning Lithium batteryBe careful of laser beams An SFP-T has the following label attachedDo not attach a label or the like to the transceivers Handle a memory card with careAttach an option component with care Maintenance and cleaning Handle the optical connector with careDo not bring a TV or radio close to the device Use air dusters with carePage Safety guide for the IP8800/S6600 series Safety Guide IP8800/S6600Do not place the device in an unstable location Safety Guide IP8800/S6600Xix Model Mass Number of peopleIP8800/S6604 45 kg/100 lb Or more IP8800/S6608 64 kg/142 lb Label below is attached to the device Handle the power cable with cautionKeep air dusters away from fire Use support brackets with care Use support brackets only for IP8800/S6604Model Items 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 for the IP8800/S6300 series Safety Guide IP8800/S6300Do not place the device in an unstable location Safety Guide IP8800/S6300Grounding is required IP8800/S6304 45kg/100 lb Or more IP8800/S6308 64kg/142 lb Model Mass Number of peopleKeep air dusters away from fire IP8800/S6304 Use support brackets only for 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 Damaged by the static electricity Attach an option component with careDo not bring a TV or radio close to the device Operations and Handling Safety guide for the IP8800/S3600 and IP8800/S2400 seriesSafety 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 too many plugs at a single outlet Do not use the cable with the protection cap detachedDo not block the intake/exhaust port Do not place the device in an unstable locationXlvi Precaution on carrying the deviceBe careful of the laser beams Do not touch the device directly if you have metal allergiesDo not ride, recline, or place a heavy loading on the device Do not bring a TV or radio close to the device Handle a memory card and a dummy memory card with care Before installing or UninstallingDiscarding the device Use air dusters with carePage Overview Overview Failure Analysis 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 Connector Memory card slot Lit in green Power on OFF Power OFF or power failureName Type Function Description LED GreenOrange 100/1000BASE-T Ethernet port Overview Name Type Function DescriptionSent/received BlockedFunctional Failure Analysis Overview Functional Failure Status and ReferenceSubitem Reference Overview Subitem Reference Active System Switchover Is Disabled Time Synchronization by NTP Is DisabledActive BSU Switchover Is Disabled Schedule Is Disabled IP8800/S6700Page Troubleshooting System Failures Troubleshooting System Failures Troubleshooting Procedure on System FailuresTroubleshooting System Failures Failure ActionTroubleshooting System Failures Action Power Failure Check ItemsReplacement Method of Optional Components Follow the steps in -4 Isolating Power Supply Failure Troubleshooting for IP8800/S3600 and IP8800/ S2400Isolating 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 Isolating Failures on External Power UnitIsolating Failures on External Power Unit Main Body 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 MC not found is displayed when MC is accessed Problems on MCProblems and Actions When MC not found is displayed Instruction in -1 Problems and Actions When MCProblems and Actions When Connecting to Console Problems on Operation TerminalUnable to Input/Display from the Console Correctly 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 Command Authorization Using RADIUS/TACACS+ Is Disabled Login Authentication Using RADIUS/TACACS+ Is DisabledDisabled, check No or later Some users remain in the loginTroubleshooting Functional Failures in Operation Network Interface Communication Failure NIF Status Problem ActionEthernet Port Cannot Be Connected Checking port statusPort Status Problem Action Checking statistical informationCheck and Action for Port Status BSU Operation Problem Action Status Communication Failure in Basic Switching Unit BSU/PSPChecking BSU/PSP operation 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 Steps Problem Action Troubleshooting for Failed 10BASE-T/100BASE-TX/1000BASE-T10 Failure Analysis Method for Troubles on 1000BASE-X Actions against Troubles on 1000BASE-XActions against Troubles on 10GBASE-R 11 Failure Analysis Method for Troubles on 10GBASE-R Troubleshooting Functional Failures in OperationTroubleshooting Steps and Command Action Communication Failure on Using PoEFunction of the port by the power inline command Communication Failure on Using Link AggregationCheck the setting of failed link aggregation AllocationsCH Disabled Check the setting of failed port status usingLink aggregation group is Disabled and Down Tion, set the Duplex mode to FullLayer 2 Communication by Vlan Is Disabled Layer 2 Network Communication FailureChecking Vlan status Take the action below according to the Type displayed Checking MAC address tableFailures 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 Troubleshooting Steps Action Command Replace the faulty Parts15 Ring Protocol Failure Analysis Method Analysis FlowTransmission delay is not considered Command to check timer values forSee the manual Configuration Guide Spanning tree or Gsrp is used at Configurations Same timeMulticast Relay by Igmp snooping Is Disabled Has been set up appropriately for system operation 16 Troubleshooting on Multicast RelayShow system command Multicast in the VLAN. IP8800/S3600Group address If a multicast router is connected, check mrouter-portIs it a relay within the same VLAN? Multicast Relay by MLD snooping Is DisabledCheck the following You want to use IPv6 multicast at 17 Troubleshooting on Multicast RelayUsing the show mld-snooping IPv4 Network Communication Failure Communication Is Disabled or Is DisconnectedRoute Checking logChecking interface status Checking ARP resolution information with neighboring systemChecking filtering/QoS setting information Checking DHCP/BOOTP setting informationChecking unicast routing information Checking option license OP-NPAR OP-NPARDHCP/BOOTP relay communication failure IP Addresses Cannot Be Assigned Using Dhcp FunctionChecking 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 Checking layer 2 network DynamicDNS Cooperation in Dhcp Function Is DisabledSystem DNS update disabled Check the configurationChecking route information No RIP Routing Information Exists IPv4 Unicast Routing Communication FailureNo Ospf Routing Information Exists 18 RIP Failure Analysis MethodNo Routing Information Exist OP-NPAR No BGP4 Routing Information Exists20 BGP4 Failure Analysis Method 21 VRF Failure Analysis MethodIPv4 Multicast Routing Communication Failure Communication on IPv4 PIM-SM Network Is DisabledCommon check items 22 Common Check ItemsBSR check items Last-hop-router check items Rendezvous point router check items23 BSR 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 27 Check Items When Double-relay Continues Communication on IPv4 PIM-SSM Network Is Disabled28 Common Check Items Multicast Sender First-hop-router Last-hop-router Data29 last-hop-router Check Items 30 first-hop-router Check Items Multicast Data Is Double-relayed on IPv4 PIM-SSM Network5 IPv4 Multicast Communication Failure In VRF OP-NPAR 31 Check Items When Double-relay Continues32 Check Items for VRF 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 Duplicate acquisition by the client Procedure to check configurationChecking client setting Procedure for restoring from duplicate distributionCondition Cause Binding Information Route Information If Duid of this system conflicts with other system Reconfiguring route informationDeleting the file containing Duid information Reproducing the DuidChecking the Duid No RIPng Routing Information Exists 10 IPv6 Unicast Routing Communication FailureNo OSPFv3 Routing Information Exists 35 Failure Analysis of RIPngNo BGP4+ Routing Information Exists Hop address resolution in BGP4+ exist Exists37 BGP4+ Failure Analysis Method Go to No.5 if no route existCommunication on IPv6 PIM-SM Network Is Disabled 11 IPv6 Multicast Routing Communication Failure38 Common Check Items Command with interface parameter specified Neighboring router using the show ipv6 pimRelay target group address Rendezvous point setting If the unicast route does not exist, see 3.10 IPv6 Unicast39 BSR Check Items Multicast receiver Configuration to run MLD40 Rendezvous Point Router 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 46 first-hop-router Check Items Multicast Data Is Double-relayed on IPv6 PIM-SSM NetworkGroup join function is running For MLD snoopingTroubleshooting Functional Failures in Operation 47 Check Items When Double-relay ContinuesLayer 2 Authentication Communication Failure Communication Failure on Using Ieee48 Ieee 802.1X Failure Analysis Method Table setting failed Following cause. Check to see if there is any problemAuthentication dynamic mode, go to No To see if authentication failedAssignment of Vlan authentication Command and check to see if dynamicAuthentication dynamic. Match the Vlan ID set for Tunnel-Type for the Radius server to VLAN1350 Failure Analysis Method for Web Authentication Communication Failure on Using Web AuthenticationConfirm that authentication IPv4 access list is applied Check to see authentication Ipv4 access listIPv4 access list are set in the access list as well Port for authenticationCommand Soon After Suspended AuthenticatedWhen Web Server Is restarted Using Restarted. The Web server starts to perform authentication51 Checking Web Authentication Configuration Check Point Troubleshooting StepsSetting Information Failure Analysis Method for Web Authentication 52 Web Authentication Failure Analysis Method53 Failure Analysis Method for MAC Authentication Communication Failure on Using MAC AuthenticationNot applied to the port for authentication IPv4 access list is appliedAuthentication is displayed by the show To No.7 Configuration command mac-authentication port54 Checking MAC Authentication Configuration Communication Failure on Using Authentication Vlan OP-VAA55 MAC Authentication Failure Analysis Method Failure Analysis Method for MAC Authentication100 56 Authentication Vlan Failure Analysis Method57 Checking Authentication Vlan Configuration When Vlan Identification Table Resource Shortage Occurs101 102 Gsrp Communication Failures Communication Failure on High-reliability Function104 60 Analysis Method for Gsrp Unknown Adjacency105 61 Vrrp Failure Analysis Method106 107 62 Vrrp Failure Analysis Method108 109 Set up, and the virtual router may operate. IP8800/S3600Snmp Communication Failure MIBs Cannot Be Obtained from Snmp ManagerTraps Cannot Be Received by Snmp Manager 111 Checking configuration Checking failures etc Checking operation status by operation commandSFlow Packets Do Not Reach Collector Checking route to the collectorCollector information must be set correctly Checking configurationChecking settings of collector Checking NIF/port status114 Counter Sample Does Not Reach Collector Flow Sample Does Not Reach CollectorChecking presence/absence of the relay packet Checking transmission interval of counter sample63 Failure Analysis Method When Using Lldp Functions 64 Failure Analysis When Using Oadp FunctionNetwork Interface Communication Failure 117 Checking Filtering/QoS Setting Information to check for itOtherwise, see 3.4 Network Interface Communication Failure Otherwise, see 3.5 Layer 2 Network Communication FailureTime Synchronization by NTP Is Disabled NTP Communication Failure65 NTP Failure Analysis Method Port Becomes Inactive Due to IEEE802.3ah/UDLD Function Communication Failure on IEEE802.3ah/UDLD FunctionActive System Switchover Is Disabled 67 Problems and Actions When Switching Active SystemCause for Switchover Disabled Troubleshooting Steps 68 Failure Analysis Method When BSU Switchover Disabled Active BSU Switchover Is DisabledBoards 122Set to disabled, delete the entry that is Problems on Power Saving FeatureSchedule error caused by 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 127 IP8800/S3600 and IP8800/S2400Page 129 IP8800/S6700 IP8800/S6600 IP8800/S6300Checking Resource Usage of MAC Address Table MAC Address Table Resource ShortageOperation Log Message for Checking Resource Usage Operation Log Message for Checking Resource Use StatusFile Name Specified for get Log Message 131132 Checking Vlan Identification Table Resource Usage Vlan Identification Table Entry Clear Method Vlan setting.*1Entry to Be Cleared Step Tag translation functionChecking Resource Usage of Shared Memory When Resource Shortage Occurs in Shared MemoryPage 137 Collecting Failure InformationAvailable Information via ftp Collecting Failure InformationCollecting Failure Information File Name Specified for get Acquiring Basic Information139 Collecting basic informationCollecting Failure Information Using dump Command IP8800 Collecting memory dump when communication failure occurs140 141 After above log is displayed, execute next the dump command142 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 146 147 ETATransferring dump files to a console Transferring failure backup information files to a consoleTransferring log information to a console 148149 IP8800/S6700 IP8800/S6600 IP8800/S6300Files That Can Be Acquired Using ftp Command 150File Name Specified for Acquired Files 151 10 Collecting Dump Files from the Remote TerminalWriting to MC Writing File to MC Using Operation Terminal153 Line TestEthernet Port Testing LineChecking frame loopback within system Line Test Type for Each Frame Loopback Point155 Command IP8800/S6700 IP8800/S6600 IP8800/S6300156 Checking frame loopback at a loop connector157 Page 159 Restarting the SystemRestarting the System Restarting the SystemSet the system to restart Or stop 161Specifying when Parameter to input Active Standby None162 163 Selecting CPU Memory Dump Type164 Dump Back to command input modeCollect Memory dump? Memorydump is Restart? Collecting memory165 AppendixAppendix 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 175 176 Update for Ver.11.1 and laterLog information during software Information 2 for Ver.10.7 Earlier177 178 179 180 Table A-3 Details of Display Contents IP8800/S2400 IP8800/S2400181 182 Information on L2 loop detection For Ver.10.7 and later 183Authenticated user account Built-in WEB authentication DB For Ver.10.3 and later184 MLD snooping group information185 Page 187 IndexIndex 188