Single 7204 w/Dual HSRP 6509 Switches

Unanswered Question
Apr 23rd, 2010

I have two 6509 switches running HSRP between them for all vlans.  I have a 7204 with a DS3 pipe connected to only one of the two switches and I would like to connect the router so that it is connected to both switches.  I tried using bridging, but HSRP triggered and failed over constantly.

Is this possible to take both ethernet interfaces on the 7204 and connect them to each 6509 switch?

I have this problem too.
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Jon Marshall Fri, 04/23/2010 - 13:49

fmagoufis wrote:

I have two 6509 switches running HSRP between them for all vlans.  I have a 7204 with a DS3 pipe connected to only one of the two switches and I would like to connect the router so that it is connected to both switches.  I tried using bridging, but HSRP triggered and failed over constantly.

Is this possible to take both ethernet interfaces on the 7204 and connect them to each 6509 switch?

Yes it's possible but the recommended way to do it to configure the links between the router and the 6500s as routed links each link using a /30 subnet and then run a dynamic routing protocol between the 7204 and the 6500s. That way the 6500s see 2 equal costs paths to all the destinations beyond the 7204.

Jon

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