Link State Track - Cisco Catalyst 4500 Series Configuration Manual

Chapter 2

link state track

To configure the link state group and enable link state tracking, use the link state track command in
interface configuration mode.
Syntax Description
number
Command Default
The link state track number is 1
Command Modes Global configuration
Command History Release
15.1(1)S
3.8.0E and
15.2.(4)E
Usage Guidelines When you configure LST for the first time, add upstream interfaces to the link state group before adding
the downstream interface, otherwise the downstream interfaces move into the error-disable mode.
To restore the default link-state track, use the no link state track number global configuration command.
Examples The following example shows how to configure the link state tracking number.
Switch# configure terminal
Switch(config)# link state track 1
Related Commands Command
link state group
show link state group
link state track [number]
no link state track [number]
Specifies a link-state group and enables link state tracking. Valid values are from
1 to 20; the default value is 1.
Modification
This command was introduced.
The upper limit of the group number values was increased from 10 to 20.
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release XE 3.9.xE and 15.2(5)Ex
Description
Configures the link state group and the interface as either an
upstream or downstream interface in the group.
Displays the link state group information.
link state track
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