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Chapter 32
Configuring UDLD
Configuring UDLD on the Switch
These sections describe how to configure UDLD:
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Enabling UDLD Globally
To enable UDLD globally on the switch, perform this task in privileged mode:
Task
Step 1
Enable UDLD globally on the switch.
Step 2
Verify the configuration.
This example shows how to enable UDLD globally and verify the configuration:
Console> (enable) set udld enable
UDLD enabled globally
Console> (enable) show udld
UDLD
Console> (enable)
Enabling UDLD on Individual Ports
To enable UDLD on the individual ports, perform this task in privileged mode:
Task
Step 1
Enable UDLD on a specific port.
Step 2
Verify the configuration.
This example shows how to enable UDLD on port 4/1 and verify the configuration:
Console> (enable) set udld enable 4/1
UDLD enabled on port 4/1
Console> (enable) show udld port 4/1
UDLD
Message Interval: 15 seconds
Port
--------
4/1
Console> (enable)
OL-8978-04
Enabling UDLD Globally, page 32-3
Enabling UDLD on Individual Ports, page 32-3
Disabling UDLD on Individual Ports, page 32-4
Disabling UDLD Globally, page 32-4
Specifying the UDLD Message Interval, page 32-4
Enabling UDLD Aggressive Mode, page 32-5
Displaying the UDLD Configuration, page 32-5
: enabled
: enabled
Admin Status
Aggressive Mode Link State
------------
--------------- ---------
enabled
disabled
Command
set udld enable
show udld
Command
set udld enable mod/port
show udld port [mod[/port]]
bidirectional
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
Configuring UDLD on the Switch
32-3
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