Troubleshooting Checklist

 

Table 4-2 Troubleshooting Checklist (Continued)

 

 

 

Problem

Possible Cause

Recommended Action

 

 

 

Cannot contact

IP address not assigned.

Refer to the Matrix C Series Configuration

the device

 

Guide for the IP address assignment

through in-band

 

procedure.

management.

 

 

Port is disabled.

Enable port. Refer to the Matrix C Series

 

 

 

Configuration Guide for instructions to

 

 

enable/disable ports.

 

 

 

 

No link to device.

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. Refer to

standby for no

 

Matrix C Series Configuration Guide for the

apparent reason.

 

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

Clear NVRAM was set

Reenter the lost parameters as necessary.

(IP address,

using CLI commands.

Refer to Matrix C Series Configuration

device and

 

Guide for the instructions to configure the

module name,

 

device using CLI commands.

etc.) were lost

 

If the problem continues, contact Enterasys

 

 

when the device

Networks for technical support.

power was cycled or the rear panel Reset button was pressed.

Troubleshooting 4-5

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Enterasys Networks C1H124-48, C1H124-24 manual Configuration Guide for instructions to

C1H124-24, C1H124-48 specifications

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