NEC IP8800/S6700, IP8800/S6600 Communication Failure on High-reliability Function 103, 120, Iii

				Contents
3.13			Communication Failure on High-reliability Function	103
			3.13.1 GSRP Communication Failures	103
			3.13.2 Communication with VRRP Configuration in IPv4 Network Is Disabled	105
			3.13.3 Communication with VRRP Configuration in IPv6 Network Is Disabled	107
3.14			SNMP Communication Failure	110
			3.14.1 MIBs Cannot Be Obtained from SNMP Manager	110
			3.14.2 Traps Cannot Be Received by SNMP Manager	110
3.15			Troubleshooting of sFlow Statistics (Flow Statistics) Function	112
			3.15.1 sFlow Packets Do Not Reach Collector	112
			3.15.2 Flow Sample Does Not Reach Collector	115
			3.15.3 Counter Sample Does Not Reach Collector	115
3.16			Communication Failures on Neighboring System Managing Function	116
			3.16.1 Unable to Obtain Neighboring System Information via LLDP Function	116
			3.16.2 Unable to Obtain Neighboring System Information via OADP Function	116
3.17			NTP Communication Failure	118
			3.17.1 Time Synchronization by NTP Is Disabled	118
3.18			Communication Failure on IEEE802.3ah/UDLD Function	119
			3.18.1 Port Becomes Inactive Due to IEEE802.3ah/UDLD Function	119
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]		120
			3.19.1 Active System Switchover Is Disabled	120
3.20			Problems on Redundant Configuration of Basic Switching Unit (BSU) [IP8800/S6700]	121
			3.20.1 Active BSU Switchover Is Disabled	121
3.21			Problems on Power Saving Feature	123
			3.21.1 Schedule Is Disabled [IP8800/S6700] [IP8800/S6600]	123
3.22			Congestion Caused by Packets Processed Through CPU Is Not Recovered	124
3.23			Communication Failure Caused by Settings of Filtering/QoS	126
			3.23.1 Checking Filtering/QoS Setting Information	126
4 Troubleshooting Communication Failures Due to Resource Shortage [IP8800/S6700]
	[IP8800/S6600] [IP8800/S6300]			129
	4.1 MAC Address Table Resource Shortage			130
			4.1.1 Checking Resource Usage of MAC Address Table	130
			4.1.2 Action to Be Taken When MAC Address Table Resource Shortage Occurs	130
	4.2 When Resource Shortage of VLAN Identification Table Occurs			133
			4.2.1 Checking VLAN Identification Table Resource Usage	133
			4.2.2 Action to Be Taken When VLAN Identification Table Resource Shortage Occurs	133
	4.3 When Resource Shortage Occurs in Shared Memory			135
			4.3.1 Checking Resource Usage of Shared Memory	135
			4.3.2 Action to Be Taken When Resource Shortage of Shared Memory Occurs	135
5 Collecting Failure Information				137
5.1		Collecting Failure Information		138
			5.1.1 Collecting Failure Information Using ftp Command from the Operation Terminal	138

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