Enterasys 2S4082-25-SYS Hardware Installation Manual page 65

Table 5-2 Troubleshooting Checklist (continued)
Problem Possible Cause
Cannot contact the IP address not assigned.
module through
in-band
management.
Port is disabled.
Host Port policy and/or
management VLAN is
incorrectly configured, or not
configured.
No link to device.
Port(s) goes into Loop condition detected.
standby for no
apparent reason.
User parameters Position of Mode switch (7),
(IP address, device Persistent Data Reset, was
and module name, changed sometime before
etc.) were lost either cycling power or
when the module pressing the
power was cycled, OFFLINE/RESET switch,
the front panel causing the user-entered
OFFLINE/RESET parameters to reset to
switch was factory default settings.
pressed.
Clear Persistent Data that
was set through Local
Management.
The module was moved
either from slot-to-slot or
from chassis-to-chassis.
Recommended Action
Refer to the Enterasys Matrix DFE-Diamond/Platinum
Series Configuration Guide for the IP address
assignment procedure.
Enable port. Refer to the Enterasys Matrix
DFE-Diamond/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-Diamond/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-Diamond/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.
Reenter the lost parameters as necessary. Refer to the
Enterasys Matrix DFE-Diamond/Platinum Series
Configuration Guide for the instructions to configure
the device.
If the problem continues, contact Enterasys Networks
for technical support.
Enterasys NAC Controller Hardware Installation Guide 5-5
Troubleshooting Checklist