Using static load balancing, you can configure traffic load balancing on a per-packet basis without using a dynamic routing protocol. Most routers will perform load balancing automatically if several equal cost paths to a destination exist on multiple interfaces. To configure this using static routing, you need only create multiple static routes for more than one interface. This creates more than one equal cost path which will balance the load.
Cisco routers perform load balancing on a per-destination, per-source-destination and per-packet basis. Load can be balanced across up to six equal cost paths.
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