EIGRP standard routing question

Unanswered Question
Dec 10th, 2008

Please look at the attached visio. My question is how does the router with network know about and on the other side since i am only using in EIGRP? the switch knows how to get to those networks.


I have this problem too.
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Jon Marshall Wed, 12/10/2008 - 10:34

Could you send a jpg as well as not all of us have access to visio. Are the configs included in the visio.


Edison Ortiz Wed, 12/10/2008 - 10:35

Hard to tell without seeing the whole routing table on the device with network configured.

If the default route on this device is pointing to a router that knows how to get to and, then that's your answer.

Attaching the diagram as JPEG for the benefit to those without Visio.




jgorman1977 Wed, 12/10/2008 - 10:51

The MPLS router containing the hangs off a 3750 core, where i have a default route pointing to the MPLS router in Canada.

Edison Ortiz Wed, 12/10/2008 - 11:23

And if the MPLS Router in Canada knows about those subnets, then that's how the IP reachability is made.

You can also find out what router is being used for connectivity with a traceroute from the source router to the destination subnet.

In addition, if you want a conclusive answer, you need to provide more information - like full routing table from devices in question.

Jon Marshall Wed, 12/10/2008 - 11:29

Just to clarify. When you say knows about - do you mean can route to or do you mean has the subnets in the routing table.


jgorman1977 Wed, 12/10/2008 - 11:40

I will add static routes on both MPLS routers. I was unsure if they needed to be added in the EIGRP AS, but since they don't lie within those subnets, I will add the statics.



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