Enterasys Matrix 7H4284-49 Hardware Installation Manual page 56

Troubleshooting Checklist
Table 4-2 Troubleshooting Checklist (Continued)
Problem
Cannot contact the
module through
in-band
management.
Port(s) goes into
standby for no
apparent reason.
4-6 Troubleshooting
Possible Cause
IP address not assigned.
Port is disabled.
Host Port policy and/or
management VLAN is
incorrectly configured, or
not configured.
No link to device.
Loop condition detected.
Recommended Action
Refer to the Enterasys Matrix
DFE-Platinum Series Configuration Guide
for the IP address assignment procedure.
Enable port. Refer to the Enterasys Matrix
DFE-Platinum Series Configuration Guide
for instructions to enable/disable ports.
Verify that a management VLAN exists and
that it is associated with the Host Port.
Refer to the Enterasys Matrix
DFE-Platinum Series Configuration Guide
for information about Host Port and
management VLAN configuration.
Verify that all network connections between
the network management station and the
module are valid and operating.
If the problem continues, contact Enterasys
Networks for technical support.
Verify that Spanning Tree is enabled. Refer
to the Enterasys Matrix DFE-Platinum
Series 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.