We currently have one Internet gateway. We are adding two more. I need to publish these additional default routes into our BGP cloud (we currently use default information-originate to publish the current gateway) and have certain sites use them in preferential order based on geography.
Any ideas on the best way to accomplish this?
The network is a service provider provisioned MPLS network running BGP. Routing varies between OSPF and EIGRP as the IGP at the local sites.
Understood. Thanks for the feedback. I was thinking of tagging the default routes at each gateway location and then using route-maps at the remotes to set local preference based on the tag. They would prefer the tag that is in the same geographic region.
Tagging is a very useful mechanism for 'coloring' the traffic within routing protocols. With that said, it works very well during redistribution in most cases but very hard to tell without studying the whole network topology for any gotchas this approach may encounter.
My first recommendation before bringing anyone in is; document everything and become an expert on Visio :) You need all the visual documentation you may have for the entire topology.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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