Enterasys Gold Distributed Forwarding Engine 4G4205-72 Hardware Installation Manual page 71

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.
Enterasys Matrix DFE-Gold Series PoE Module Hardware Installation Guide 4-9
Troubleshooting Checklist
Recommended Action
Refer to the Enterasys Matrix DFE-Gold
Series Configuration Guide for the IP
address assignment procedure.
Enable port. Refer to the Enterasys Matrix
DFE-Gold 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-Gold
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-Gold
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.