cisco 2500 forward to dns

Mar 20, 2006 10 Replies
L

Hello Everyone,



I have a cisco 2500 router that i am trying to add to my network. I've connected the cisco router to my linksys router (which is my main router) and I am able to telnet to the cisco router, configure etc...I am not able to get DNS working on the cisco router. I can ping all of the other computers and the linksys router from the cisco router. I've tried adding my isp name servers to the cisco router, but that's not working. I tried adding my linksys router as a name server on my cisco router and i am able to ping from the cisco router and i see the translation happening but the ping response never gets back. Any suggestions ?


Thank you,



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P

Have you added a default gateway to the Cisco to use the Linksys as the default route?

P.

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O

Hi,

I tried adding the default gateway being the linksys, but it still doesnt come back, although the translation happens and i get the right ip address back. what do you think ?

Sending 5, 100-byte ICMP Echos to 152.2.210.80, timeout is 2 seconds... Success rate is 0 percent (0/5)

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D

Do you have any access-lists configured?

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O

I have this access-list configured...

access-list 101 permit udp any any eq domain access-list 101 permit udp any eq domain any

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T

You need a route from the linksys router to the Cisco router.

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O

ah ok, not sure if the linksys router is capable, but that sounds about right. I'll check it out.

Thanks again,

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O

Actually i dont think adding a route on the linksys to the cisco will matter because they are both on the same network. I tried it anyway, but still no luck...

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C

Where abouts is this access list configured. Which interface in which direction?

Chris.

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T

Please post config this will be the only true way to help

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