Load balancing is a standard functionality of the Cisco IOS? router software, and is available across all router platforms. It is inherent to the forwarding process in the router and is automatically activated if the routing table has multiple paths to a destination. It is based on standard routing protocols, such as Routing Information Protocol (RIP), RIPv2, Enhanced Interior Gateway Routing Protocol (EIGRP), Open Shortest Path First (OSPF), and Interior Gateway Routing Protocol (IGRP), or derived from statically configured routes and packet forwarding mechanisms. It allows a router to use multiple paths to a destination when forwarding packets.


m.matteson Thu, 03/22/2007 - 07:50
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By default it will load balance per-destination. If you enable cef switching you can use the per-packet interface command on your two e1s and load balance the traffic 50/50.


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