How To Configure Link-State Tracking - Cisco Catalyst 2960 series Configuration Manual

Monitoring Link-State Tracking Status
Configuring Link-State Tracking: Example, on page 370
Restrictions for Configuring Link-State Tracking, on page 365

How to Configure Link-State Tracking

To enable link-state tracking, create a link-state group and specify the interfaces that are assigned to the group.
This task is optional.
SUMMARY STEPS
1. configure terminal
2. link state track number
3. interface interface-id
4. link state group [ number ]{upstream | downstream}
5. end
DETAILED STEPS
Command or Action
Step 1 configure terminal
Example:
Switch# configure terminal
Step 2 link state track number
Example:
Switch(config)# link state track 2
Step 3
interface interface-id
Example:
Switch(config)# interface
gigabitethernet2/0/1
Step 4 link state group [ number ]{upstream |
downstream}
Example:
Switch(config-if)# link state group 2
upstream
Purpose
Enters global configuration mode.
Creates a link-state group and enables link-state tracking. The group
number can be 1 or 2; the default is 1.
Specifies a physical interface or range of interfaces to configure,
and enters interface configuration mode.
Valid interfaces include switch ports in access or trunk mode (IEEE
802.1q) or routed ports.
Note
Specifies a link-state group and configures the interface as either
an upstream or downstream interface in the group.
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
How to Configure Link-State Tracking
Do not enable link-state tracking on individual interfaces
that will be part of an Etherchannel interface.
369