Configuring Udld On The Switch; Enabling Udld Globally - Cisco WS-C2948G-GE-TX Configuration Manual

Chapter 23 Configuring UDLD
Table 23-1 UDLD Default Configuration
Feature
UDLD global enable state
UDLD per-port enable state
UDLD message interval
UDLD aggressive mode

Configuring UDLD on the Switch

These sections describe how to configure UDLD:
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Enabling UDLD Globally

You must enable UDLD globally before any port can use UDLD.
To enable UDLD globally on the switch, perform this task in privileged mode:
Task
Step 1
Enable UDLD globally.
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)
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide—Release 8.2GLX
78-15908-01
Enabling UDLD Globally, page 23-3
Enabling UDLD on Individual Ports, page 23-4
Disabling UDLD on Individual Ports, page 23-4
Disabling UDLD Globally, page 23-4
Specifying the UDLD Message Interval, page 23-5
Enabling UDLD Aggressive Mode, page 23-5
Displaying the UDLD Configuration, page 23-6
: enabled
Default Value
Globally disabled
• Enabled on all Ethernet, Fast Ethernet, and Gigabit Ethernet ports
using fiber-optic media
• Disabled on all Ethernet and Fast Ethernet ports using copper
media
15 sec
Disabled
Command
set udld enable
show udld
Configuring UDLD on the Switch
23-3