Enterasys MATRIX 7H4385-49 Hardware Installation Manual page 65

Table 4-2 Troubleshooting Checklist (continued)
Problem
Cannot contact the
module through in-
band management.
Port(s) goes into
standby for no
apparent reason.
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 DFE 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.
DFE-Platinum Series Hardware Installation Guide 4-7
Troubleshooting Checklist