Enterasys Networks A2H124-48P, A2H124-24P manual Configuration Guide for the IP address

Troubleshooting Checklist

Table 4-2 Troubleshooting Checklist (continued)

Problem	Possible Cause	Recommended Action
Cannot contact the	IP address not assigned.	Refer to the SecureStack A2
SecureStack A2		Configuration Guide for the IP address
through in-band		assignment procedure.
management.
	Port is disabled.	This is normal if the switch is a Member in
		a stack.
		If operating as a standalone switch or as
		the Manager in a stack, enable the port.
		Refer to the SecureStack A2
		Configuration Guide for instructions to
		enable/disable ports.
	No link to switch.	Verify that all network connections
		between the network management station
		and the device are valid and operating.
		If the problem continues, contact
		Enterasys Networks for technical support.
Port(s) goes into	Loop condition detected.	Verify that Spanning Tree is enabled.
standby for no		Refer to the SecureStack A2
apparent reason.		Configuration Guide for the instructions to
		set the type of STA.
		Review the network design and delete
		unnecessary loops.
		If the problem continues, contact
		Enterasys Networks for technical support.
User parameters (IP	Clear NVRAM was set using	Reenter the lost parameters as
address, switch and	CLI commands.	necessary. Refer to the SecureStack A2
module name, etc.)		Configuration Guide for the instructions to
were lost when the		configure the SecureStack A2 using CLI
SecureStack A2		commands.
power was cycled.		If the problem continues, contact
		Enterasys Networks for technical support.

User powered the switch off before the configuration was saved (configuration changes on the A2 are internally saved every two minutes).

Execute the “save config” command, and wait for the prompt to come back before Powering the switch off.

Executing the “reset” command automatically saves the config before resetting the switch.

4-8 Troubleshooting