NEC IP8800/S6600 manual Belongs to the Vlan group, Command to check timer values for, Control

3. Troubleshooting Functional Failures in Operation

No.	Troubleshooting Steps and	Action
	Command
4	Execute the show axrp command to	Go to No. 5 if "Ring Port" and "Role/State" correspond to the port state of network
	check the ring port for each VLAN	configuration.
	group and its operation state.
		Otherwise, check the configuration.
5	Execute the show axrp detail	Go to No. 6 if "Control VLAN ID" corresponds to the VLAN ID of network
	command to check the control VLAN	configuration.
	ID.
		Otherwise, check the configuration.
6	Execute the show axrp detail	Go to No. 7 if "VLAN ID" corresponds to the VLAN ID of network configuration.
	command to check the VLAN ID which	Otherwise, check the configuration.
	belongs to the VLAN group.
7	Execute the show axrp detail	Go to No. 8 if the timer value "Health Check Hold Time" of the health check frame
	command to check timer values for	hold time is larger than the timer value "Health Check Interval" of the health check
	transmission interval and hold time of	frame transmission interval (i.e. transmission delay is considered).
	the health check frame.
		Check and review the configuration if the timer value of the health check frame hold
		time is equivalent or smaller than the that of health check frame transmission interval
		(i.e. transmission delay is not considered).
8	Execute the show vlan detail	Go to No. 9 and 10 if there is no failure on the VLAN and its port state.
	command to check the VLAN which is	Check the configuration and restore the state if there is any failure.
	used in Ring Protocol and its port state.
9	Check settings of the filtering and QoS	Ring Protocol control frames may have been discarded by filtering or QoS control.
	control.	See "3.23.1 Checking Filtering/QoS Setting Information" to check the setting. Also
		see the manual "Configuration Guide."
10	Check the settings of the virtual link if	Check to see if virtual link has been correctly configured for the network
	spanning tree or GSRP is used at the	configurations.
	same time.	• Check to see if the virtual link settings of devices that Ring Protocol and either one
		of spanning tree or GSRP are used together are correct.
		• As for equipment in the whole ring network, confirm the VLAN used as a virtual
		link belongs to the VLAN group of Ring Protocol.

43