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ospf asymmetric Routing

Hello all

i have 2 routers connected by 2 links to each other , first link is serial link ( R1----->R2 ) and second link is GRE Tunnel "DMVPN" ( R1---->R2)

and the ospf is enabled on boot links.

the problem that is i have asymmetric routing in R1 we reach subnets behaind R2 through serial linke but R2 prefferd Tunnel Link over Serial Link and replay through  the GRE linke.

i modifed the ospf cost as following:

R1: Serial link , ospf cost 20 , bandwitdh 2000 delay 20000

      Tunnel link , ospf cost 200 , bandowidth 1000 delay 21000

R2: Serial link , ospf cost 20 , bandwitdh 2000 delay 20000

      Tunnel link , ospf cost 200 , bandowidth 1000 delay 21000

But still R2 prefferd the Tunnel linke over serial link.

Please any help

Ali Abdo

BR

2 REPLIES 2
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VIP Advisor

Re: ospf asymmetric Routing

please include configs of both routers and the output of "sh ip route x.x.x.x" from

both routers

Thanks

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Re: ospf asymmetric Routing

Dear sir,

thanks for reply, please find the attached file.