Configuring Static Routing Support; Configuring A Primary Interface - Cisco Catalyst 3750-E Software Configuration Manual
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Configuring Enhanced Object Tracking Features
This example output shows whether a route is reachable:
Switch(config)# track 3 500 reachability
Switch(config)# end
Switch# show track 3
Track 3
Response Time Reporter 1 reachability
Reachability is Up
Latest operation return code: over threshold
Latest RTT (millisecs) 4
Tracked by:
Configuring Static Routing Support
Switches that are running the IP services feature set with Cisco IOS release 12.2(46)SE or later support
enhanced object tracking static routing. Static routing support using enhanced object tracking provides
the ability for the switch to use ICMP pings to identify when a preconfigured static route or a DHCP
route goes down. When tracking is enabled, the system tracks the state of the route and informs the client
when that state changes. Static route object tracking uses Cisco IP SLAs to generate ICMP pings to
monitor the state of the connection to the primary gateway.
For more information about Cisco IP SLAs support on the switch, see
IOS IP SLAs Operations."
•
You use this process to configure static route object tracking:
Step 1
Configure a primary interface for static routing or for DHCP.
Step 2
Configure an IP SLAs agent to ping an IP address using a primary interface and a track object to monitor
the state of the agent.
Step 3
Configure a default static default route using a secondary interface. This route is used only if the primary
route is removed.
Configuring a Primary Interface
Beginning in privileged EXEC mode, follow these steps to configure a primary interface for static
routing:
Command
Step 1
configure terminal
Step 2
interface interface-id
Step 3
description string
Step 4
ip address ip-address mask [secondary]
Step 5
exit
Catalyst 3750-E and 3560-E Switch Software Configuration Guide
44-10
1 change, last change 00:00:47
HSRP Ethernet0/1 3
For more information about static route object tracking, see this URL:
http://www.cisco.com/en/US/docs/ios/12_3/12_3x/12_3xe/feature/guide/dbackupx.html
Purpose
Enter global configuration mode.
Select a primary or secondary interface and enter interface
configuration mode.
Add a description to the interface.
Set the primary or secondary IP address for the interface.
Return to global configuration mode.
Chapter 44
Configuring Enhanced Object Tracking
Chapter 43, "Configuring Cisco
OL-9775-08
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