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L2L tunnels between three sites with ASAs

Posted on 2013-11-11
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Last Modified: 2013-11-14
I am in the planning stages for a 3 site deployment where I would have Sites A, B, C. Site A is the main site and sites B and C will access internet through Site A.

I want all traffic other than local to be routed through the main site (A) however, site B needs to access 2 servers at site C and I would rather route that traffic on a tunnel between B and C.

My question is.... how can I tell the ASA to send traffic for x.x.x.x and y.y.y.y to tunnel BC and everything else to tunnel AB?
I am a little confused by this setup. Basically I would setup interesting traffic for tunnel BC to be x.x.x.x and y.y.y.y but since tunnel AB will route everything else, what would I set that up to be?

                    Site B===============Site C
                       \                                       /
                         \                                   /
                           \                               /
                             \                           /  
                               \                       /
                                 \     Site A    /
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Question by:troubleshooter141
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4 Comments
 
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Kash earned 500 total points
ID: 39638869
i take it site b and c will have have their own internet connections as it is a basic necessity for this setup to work.

can you not create a direct site link from b to c as a separate connection and then have another connection for site A
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by:troubleshooter141
ID: 39639114
yes you're corrent, each site will have their own internet connection, however in order to enforce certain policies I want all internet traffic to go through site A.

Each location will have 2 tunnels, one to each site. For instance, Site A will have a tunnel to site B and a tunnel to site C, site B will have a tunnel to site A and a tunnel to site C and site C will have a tunnel to site A and a tunnel to site B.
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by:troubleshooter141
ID: 39648852
I resolved this. Assigning points to the only answer received, although it wasn't what I was looking for and what ultimatelly resolved the issue.
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Expert Comment

by:Kash
ID: 39649220
do you mind sharing what did you do for a reference and knowledgebase.
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