Contentsiii3.13 Communication Failure on High-reliability Function 1033.13.1 GSRP Communication Failures 1033.13.2 Communication with VRRP Configuration in IPv4 Network Is Disabled 1053.13.3 Communication with VRRP Configuration in IPv6 Network Is Disabled 1073.14 SNMP Communication Failure 1103.14.1 MIBs Cannot Be Obtained from SNMP Manager 1103.14.2 Traps Cannot Be Received by SNMP Manager 1103.15 Troubleshooting of sFlow Statistics (Flow Statistics) Function 1123.15.1 sFlow Packets Do Not Reach Collector 1123.15.2 Flow Sample Does Not Reach Collector 1153.15.3 Counter Sample Does Not Reach Collector 1153.16 Communication Failures on Neighboring System Managing Function 1163.16.1 Unable to Obtain Neighboring System Information via LLDP Function 1163.16.2 Unable to Obtain Neighboring System Information via OADP Function 1163.17 NTP Communication Failure 1183.17.1 Time Synchronization by NTP Is Disabled 1183.18 Communication Failure on IEEE802.3ah/UDLD Function 1193.18.1 Port Becomes Inactive Due to IEEE802.3ah/UDLD Function 1193.19 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] 1203.19.1 Active System Switchover Is Disabled 1203.20 Problems on Redundant Configuration of Basic Switching Unit (BSU) [IP8800/S6700] 1213.20.1 Active BSU Switchover Is Disabled 1213.21 Problems on Power Saving Feature 1233.21.1 Schedule Is Disabled [IP8800/S6700] [IP8800/S6600] 1233.22 Congestion Caused by Packets Processed Through CPU Is Not Recovered 1243.23 Communication Failure Caused by Settings of Filtering/QoS 1263.23.1 Checking Filtering/QoS Setting Information 1264 Troubleshooting Communication Failures Due to Resource Shortage [IP8800/S6700][IP8800/S6600] [IP8800/S6300] 1294.1 MAC Address Table Resource Shortage 1304.1.1 Checking Resource Usage of MAC Address Table 1304.1.2 Action to Be Taken When MAC Address Table Resource Shortage Occurs 1304.2 When Resource Shortage of VLAN Identification Table Occurs 1334.2.1 Checking VLAN Identification Table Resource Usage 1334.2.2 Action to Be Taken When VLAN Identification Table Resource Shortage Occurs 1334.3 When Resource Shortage Occurs in Shared Memory 1354.3.1 Checking Resource Usage of Shared Memory 1354.3.2 Action to Be Taken When Resource Shortage of Shared Memory Occurs 1355 Collecting Failure Information 1375.1 Collecting Failure Information 1385.1.1 Collecting Failure Information Using ftp Command from the Operation Terminal 138
