Nec Ip8800 S2400 Users Manual Troubleshooting Guide

2015-01-24

• Troubleshooting Guide
• Introduction
• Contents
• Safety Guide [IP8800/S6700]
• Safety Guide [IP8800/S6600]
• Safety Guide [IP8800/S6300]
• Safety Guide [IP8800/S3600] [IP8800/S2400]
• 1 Overview
  • 1.1 Failure Analysis Overview
  • 1.2 System and Partial Failure Analysis Overview
    • 1.2.1 Failure Analysis for IP8800/S6700, IP8800/S6600, and IP8800/S6300
    • 1.2.2 Failure Analysis for IP8800/S3600 and IP8800/S2400
  • 1.3 Functional Failure Analysis Overview
• 2 Troubleshooting System Failures
  • 2.1 Troubleshooting for IP8800/S6700, IP8800/S6600, and IP8800/S6300
    • 2.1.1 Troubleshooting Procedure on System Failures
    • 2.1.2 Replacement Method of Optional Components
  • 2.2 Troubleshooting for IP8800/S3600 and IP8800/ S2400
    • 2.2.1 Troubleshooting Procedure on System Failures
    • 2.2.2 Isolating Failures on External Power Unit
    • 2.2.3 Replacement Method of System and Optional Components
• 3 Troubleshooting Functional Failures in Operation
  • 3.1 Problems on Login Password
    • 3.1.1 Forgot the Login User Password
    • 3.1.2 Forgot the System Administrator Password
  • 3.2 Problems on MC
    • 3.2.1 "MC:--------" is displayed by entering the show system command or the show mc command
    • 3.2.2 "MC not found" is displayed when MC is accessed
  • 3.3 Problems on Operation Terminal
    • 3.3.1 Unable to Input/Display from the Console Correctly
    • 3.3.2 Login from the Remote Operation Terminal Is Failed
    • 3.3.3 Login Authentication Using RADIUS/TACACS+ Is Disabled
    • 3.3.4 Command Authorization Using RADIUS/TACACS+ Is Disabled
  • 3.4 Network Interface Communication Failure
    • 3.4.1 Ethernet Port Cannot Be Connected
    • 3.4.2 Communication Failure in Basic Switching Unit BSU/PSP
    • 3.4.3 Actions against Troubles on 10BASE-T/100BASE-TX/1000BASE-T
    • 3.4.4 Actions against Troubles on 1000BASE-X
    • 3.4.5 Actions against Troubles on 10GBASE-R
    • 3.4.6 Communication Failure on Using PoE
    • 3.4.7 Communication Failure on Using Link Aggregation
  • 3.5 Layer 2 Network Communication Failure
    • 3.5.1 Layer 2 Communication by VLAN Is Disabled
    • 3.5.2 Failures on Using Spanning Tree
    • 3.5.3 Failures on Using Ring Protocol
    • 3.5.4 Multicast Relay by IGMP snooping Is Disabled
    • 3.5.5 Multicast Relay by MLD snooping Is Disabled
  • 3.6 IPv4 Network Communication Failure
    • 3.6.1 Communication Is Disabled or Is Disconnected
    • 3.6.2 IP Addresses Cannot Be Assigned Using DHCP Function
    • 3.6.3 DynamicDNS Cooperation in DHCP Function Is Disabled
  • 3.7 IPv4 Unicast Routing Communication Failure
    • 3.7.1 No RIP Routing Information Exists
    • 3.7.2 No OSPF Routing Information Exists
    • 3.7.3 No BGP4 Routing Information Exists
    • 3.7.4 No Routing Information Exist [OP-NPAR]
  • 3.8 IPv4 Multicast Routing Communication Failure
    • 3.8.1 Communication on IPv4 PIM-SM Network Is Disabled
    • 3.8.2 Multicast Data Is Double-relayed on IPv4 PIM-SM Network
    • 3.8.3 Communication on IPv4 PIM-SSM Network Is Disabled
    • 3.8.4 Multicast Data Is Double-relayed on IPv4 PIM-SSM Network
    • 3.8.5 IPv4 Multicast Communication Failure In VRF [OP-NPAR]
  • 3.9 IPv6 Network Communication Failure
    • 3.9.1 Communication Is Disabled or Is Disconnected
    • 3.9.2 IPv6 DHCP Troubleshooting
  • 3.10 IPv6 Unicast Routing Communication Failure
    • 3.10.1 No RIPng Routing Information Exists
    • 3.10.2 No OSPFv3 Routing Information Exists
    • 3.10.3 No BGP4+ Routing Information Exists
  • 3.11 IPv6 Multicast Routing Communication Failure
    • 3.11.1 Communication on IPv6 PIM-SM Network Is Disabled
    • 3.11.2 Multicast Data Is Double-relayed on IPv6 PIM-SM Network
    • 3.11.3 Communication on IPv6 PIM-SSM Network Is Disabled
    • 3.11.4 Multicast Data Is Double-relayed on IPv6 PIM-SSM Network
  • 3.12 Layer 2 Authentication Communication Failure
    • 3.12.1 Communication Failure on Using IEEE 802.1X
    • 3.12.2 Communication Failure on Using Web Authentication
    • 3.12.3 Communication Failure on Using MAC Authentication
    • 3.12.4 Communication Failure on Using Authentication VLAN [OP-VAA]
  • 3.13 Communication Failure on High-reliability Function
    • 3.13.1 GSRP Communication Failures
    • 3.13.2 Communication with VRRP Configuration in IPv4 Network Is Disabled
    • 3.13.3 Communication with VRRP Configuration in IPv6 Network Is Disabled
  • 3.14 SNMP Communication Failure
    • 3.14.1 MIBs Cannot Be Obtained from SNMP Manager
    • 3.14.2 Traps Cannot Be Received by SNMP Manager
  • 3.15 Troubleshooting of sFlow Statistics (Flow Statistics) Function
    • 3.15.1 sFlow Packets Do Not Reach Collector
    • 3.15.2 Flow Sample Does Not Reach Collector
    • 3.15.3 Counter Sample Does Not Reach Collector
  • 3.16 Communication Failures on Neighboring System Managing Function
    • 3.16.1 Unable to Obtain Neighboring System Information via LLDP Function
    • 3.16.2 Unable to Obtain Neighboring System Information via OADP Function
  • 3.17 NTP Communication Failure
    • 3.17.1 Time Synchronization by NTP Is Disabled
  • 3.18 Communication Failure on IEEE802.3ah/UDLD Function
    • 3.18.1 Port Becomes Inactive Due to IEEE802.3ah/UDLD Function
  • 3.19 Problems on Redundant Configuration of Basic Control Unit (BCU)/Control and Switching Unit (CSU)/Management and Switching Unit (MSU) [IP8800/S6700] [IP8800/S6600] [IP8800/S6300]
    • 3.19.1 Active System Switchover Is Disabled
  • 3.20 Problems on Redundant Configuration of Basic Switching Unit (BSU) [IP8800/S6700]
    • 3.20.1 Active BSU Switchover Is Disabled
  • 3.21 Problems on Power Saving Feature
    • 3.21.1 Schedule Is Disabled [IP8800/S6700] [IP8800/S6600]
  • 3.22 Congestion Caused by Packets Processed Through CPU Is Not Recovered
  • 3.23 Communication Failure Caused by Settings of Filtering/QoS
    • 3.23.1 Checking Filtering/QoS Setting Information
• 4 Troubleshooting Communication Failures Due to Resource Shortage [IP8800/S6700] [IP8800/S6600] [IP8800/S6300]
  • 4.1 MAC Address Table Resource Shortage
    • 4.1.1 Checking Resource Usage of MAC Address Table
    • 4.1.2 Action to Be Taken When MAC Address Table Resource Shortage Occurs
  • 4.2 When Resource Shortage of VLAN Identification Table Occurs
    • 4.2.1 Checking VLAN Identification Table Resource Usage
    • 4.2.2 Action to Be Taken When VLAN Identification Table Resource Shortage Occurs
  • 4.3 When Resource Shortage Occurs in Shared Memory
    • 4.3.1 Checking Resource Usage of Shared Memory
    • 4.3.2 Action to Be Taken When Resource Shortage of Shared Memory Occurs
• 5 Collecting Failure Information
  • 5.1 Collecting Failure Information
    • 5.1.1 Collecting Failure Information Using ftp Command from the Operation Terminal
    • 5.1.2 Collecting Failure Information Using dump Command [IP8800/ S6700] [IP8800/S6600] [IP8800/S6300]
  • 5.2 Transferring Files for Maintenance Information
    • 5.2.1 Transferring Files Using ftp Command
    • 5.2.2 Transferring Files Using zmodem Command [IP8800/S3600] [IP8800/S2400]
    • 5.2.3 Transferring Maintenance Information Files Using show tech-support Command
    • 5.2.4 Transferring Files Using ftp Command from the Operation Terminal
  • 5.3 Writing to MC
    • 5.3.1 Writing File to MC Using Operation Terminal
• 6 Line Test
  • 6.1 Testing Line
    • 6.1.1 Ethernet Port
• 7 Restarting the System
  • 7.1 Restarting the System
    • 7.1.1 Restarting the System
• Appendix
  • Appendix A Contents of show tech-support Command Display
    • Appnedix A.1 Contents of show tech-support Command Display
• Index