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rbauer
Beginner

Outbound Load Balancing to 2 DSL Providers w/ NAT

Network architecture: 1 private inside subnet, 2 outside DSL providers

I want to configure a router so that all the odd IP addresses of a private subnet get NAT'd behind a single public address that's provided by one DSL provider, and then in another ACL all of the even IP addresses in that same private subnet get NAT'd behind a single address that's provided by another DSL provider. After doing the policy NATs I then need to do some kind of policy routing b to the correct next hop based on the new source address (post NAT) Is this possible or is there a better way to do what I'm trying to do ?

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wong34539
Frequent Contributor

You can make use of CEF load balancing, which is based on a combination of source and destination packet information; it allows you to optimize resources by distributing traffic over multiple paths for transferring data to a destination.

http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fswtch_c/swprt1/xcfcefc.htm#wp1000944