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Configuring UDLD
This example shows how to enable UDLD aggressive mode on the switch:
Console> (enable) set udld aggressive-mode enable 4/1
Aggressive UDLD enabled on port 4/1.
Console> (enable)
This example shows how to verify that UDLD aggressive mode is enabled on the switch:
Console> (enable) show udld port 4/1
UDLD
Message Interval: 10 seconds
Port
--------
4/1
Console> (enable)
Displaying the UDLD Configuration
To display the UDLD enable state, perform this task in privileged mode:
Task
Display the UDLD enable state.
This example shows how to display the UDLD enable state:
Console> (enable) show udld
UDLD
Message Interval
Console> (enable)
To display UDLD configuration for a module or port, perform this task in privileged mode:
Task
Display the UDLD configuration for a module or
port.
This example shows how to display the UDLD configuration for ports on module 4:
Console> (enable) show udld port 4
UDLD
Message Interval: 10 seconds
Port
--------
4/1
4/2
4/3
4/4
.
.
Console> (enable)
Table 22-2
Software Configuration Guide—Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4
22-6
: enabled
Admin Status
Aggressive Mode Link State
------------
--------------- ---------
enabled
Enabled
: enabled
: 10 seconds
: enabled
Admin Status
Aggressive Mode Link State
------------
--------------- ---------
enabled
disabled
enabled
disabled
enabled
disabled
enabled
disabled
describes the fields in the show udld command output.
bidirectional
Command
show udld
Command
show udld port [mod_num] [mod/port_num]
bidirectional
bidirectional
undetermined
bidirectional
Chapter 22
Configuring UDLD
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