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

Cisco Catalyst 2960 Series Specifications

General

Layer	Layer 2
Power over Ethernet (PoE)	Available on some models
RAM	128 MB
Flash Memory	32 MB
MAC Address Table Size	8000
Operating Temperature	0°C to 45°C (32 to 113°F)
Ports	24 or 48 x 10/100/1000