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Cisco MPLS Configuration Example

Greetings,

I may be joining a network that uses MPLS switching for their network. I have worked primarily in frame-relay networks, with EIGRP as the routing protocol. I was just wondering if anyone had a good configuration example they could post for MPLS. I am assuming that MPLS would be configured in a "hub and spoke" environonment? So, I would like to see a hub and a spoke configuration? I am interested in the configuration for Cisco router IOS.

Also, if you could post a link to any of your resources for MPLS that would be great.

Thanks,
BBanis2K

cstosgale

Are they an enterprise using MPLS VPNs to connect their sites? If so, you won't need to know anything about mpls as the service provider will deal with the mpls side of things. All you will see are standard WAN links.
MPLS is a many to many protocol, making the service providers network transparent to to the customer. This allows the service provider to support multiple customers over the same physical network, and the customers can un their own routing protocols accross it.

As far as I understand it, as an enterprise, you will probably have a subnet on the mpls network e.g. 10.10.10.0 and each of the remote site routers will have an IP in this range. You can then route as you choose accross it. the label switching is all entirely transparent however.

bbanis2k

ASKER

I believe they are using VPNs at each site to encapsulate the traffic. Do you have an example of that type of configuration?

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cstosgale

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sndmnsix

I believe this to be true. I'm in the process of adding 2600 and 3600 routers to a VPLS network using 5MB ethernet. I just added static routes to each router as needed. Works beautifully and my cisco config is very simple.

Pete