Installation guide

Troubleshooting Checklist
4-6 Troubleshooting
Cannot contact
the module
through in-band
management.
IP address not assigned. Refer to the Enterasys Matrix DFE-Platinum
Series Configuration Guide for the IP
address assignment procedure.
Port is disabled. Enable port. Refer to the Enterasys Matrix
DFE-Platinum Series Configuration Guide
for instructions to enable/disable ports.
Host Port policy and/or
management VLAN is
incorrectly configured, or
not configured.
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.
No link to device. 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.
Port(s) goes into
standby for no
apparent reason.
Loop condition detected. 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.
Table 4-2 Troubleshooting Checklist (Continued)
Problem Possible Cause Recommended Action