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414
C
A: T
WX S
HAPTER
ROUBLESHOOTING A
WITCH
Using the Trace
Tracing is used only for debugging MSS. The command set trace area
Command
enables you to view messages about the status of a specific portion of the
MSS.
There are many trace parameters that you can run. (See "List of Trace
Areas" on page 417.) However, this chapter describes only
authentication, authorization, the session manager (sm), and 802.1X
users (dot1x), four areas that you might find most helpful.
To focus on the object of the trace, you can add one or more of these
parameters to the set trace command:
set trace [area] [mac-addr mac-addr] [port port-num]
[user username] [level level]
Tracing Authentication Activity
Tracing authentication activity can help you diagnose authentication
problems. You can trace all authentication activity, or only the activity for
a specific user, MAC address, or port.
For example, to trace all authentication activity at level 4, type the
following command:
WX1200# set trace authentication level 4
success: change accepted.
Tracing Session Manager Activity
You can trace all session manager commands, or only those for a specific
user, MAC address, or port. For example, to trace all session manager
(sm) activity at level 3, type the following command:
WX1200# set trace sm level 3
success: change accepted.
Tracing Authorization Activity
Tracing authorization activity can help diagnose authorization problems.
For example, to trace the authorization of MAC address
00:00:30:b8:72:b0, type the following command:
WX1200# set trace authorization mac-addr 00:00:30:b8:72:b0
success: change accepted.
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