Enterasys Matrix 7G4270-12 Hardware Installation Manual page 80

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.