NEC IP8800/S3600 User Manual

NEC

Contents

iii

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

Troubleshooting Communication Failures Due to Resource Shortage [IP8800/S6700]
[IP8800/S6600] [IP8800/S6300] 129

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

Collecting Failure Information

5.1 Collecting Failure Information

5.1.1 Collecting Failure Information Using ftp Command from the Operation Terminal