Suggested prerequisite reading
»Cisco Forum FAQ »OER on Routers (without BGP; just static routes)

IP SLA is a Cisco IOS 12.3 feature available starting from 800 series router. This feature can be seen as OER alternative that is currently not available on 800 series router.

Sample Configurations
IOS NAT Load-Balancing with Optimized Edge Routing for Two Internet Connections
IOS NAT Load-Balancing and Zone-Based Policy Firewall with Optimized Edge Routing For Two Internet Connections
ASA/PIX 7.x: Redundant or Backup ISP Links Configuration Example

Discussions

»Wan failover on cisco 2620xm
»[Config] CISCO 857 Drops Internet Access when idle
»Dual WAN Saga continues
»history for ip sla icmp-echo

Command Description
»[Config] PPPoE default route

Official Cisco User Guide
Cisco IOS IP Service Level Agreements User Guide

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by aryoba
last modified: 2011-07-29 15:36:50