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Home > Forums > MIS/IT > Security Solutions > Cisco Systems: IOS Firewall Forum

Router prefers expensive route over cheap tunnel - why??

Read More Threads Like This One

davidarndt (TechnicalUser)

31 Jan 07 11:26

Hello,

LAN A - LAN B
| |
0-0- LAN C

Routers A and B are 1841's w/security IOS. Router C is 1751 without. Have IPSec tunnel between A&B. Have GRE tunnel w/RIP routing between B and C. A and C are connected via point-to-point T1 over two more routers.

Traffic from A TO B traverses the IPSec tunnel. Traffic from B TO A goes to C then over the point-to-point eventually to LAN A.

I don't want it to! What makes it prefer routing over Crypto Map? Is there a way to change that?

thanks!
David

Minue (TechnicalUser)

25 Feb 07 11:13

Hello
Maybe there's a static route that make's traffic from B goes through C.Posting a configuration of router C would be a good start.
Regards

Supergrrover (IS/IT--Management)

25 Feb 07 13:10

Do these
show ip protocols
show ip route
show ip rip database

and see what the admin distances are. This will tell you where the route is coming from in the table.

Brent
Systems Engineer / Consultant
CCNP, CCSP

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