32-6
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 32 Configuring UDLD
Configuring UDLD on the Switch
This example shows how to display the UDLD enable state:
Console> (enable)
show udld
UDLD : enabled
Message Interval : 15 seconds
Console> (enable)
To display UDLD configuration for a module or port, perform this task in privileged mode:
This example shows how to display the UDLD configuration for ports on module 4:
Console> (enable)
show udld port 4
UDLD : enabled
Message Interval: 15 seconds
Port Admin Status Aggressive Mode Link State
-------- ------------ --------------- ---------
4/1 enabled disabled
bidirectional
4/2
enabled disabled
bidirectional
4/3
enabled disabled
undetermined
4/4
enabled disabled
bidirectional
.
.
Console> (enable)
Table 32-2
describes the fields in the
show udld
command output.
Task
Command
Display the UDLD configuration for a module or
port.
show udld port
[
mod
] [
mod/port
]
Table 32-2
show udld Command Output Fields
Field Description
UDLD
Status of whether UDLD is enabled or disabled.
Message Interval
Message interval in seconds.
Port
Module and port number(s).
Admin Status
Status of whether administration status is enabled or disabled.
Aggressive Mode
Status of whether aggressive mode is enabled or disabled.
Link State
Status of the link: undetermined (detection in progress or UDLD on the
neighbors has been disabled), not applicable (UDLD and/or the local port has
been manually disabled), shutdown (unidirectional link has been detected and the
port errdisabled), or bidirectional (a bidirectional link has been detected since the
port is functioning properly in both directions).
