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Cisco Employee

Cisco 891 W DNS configuration with Comcast

Hi Tac,

I am trying to configure a 891 W to basically provide DNS from my ISP to my internal clients on the 891 W. Currently when I am on a PC I can see that I recieve my IP information along with the correct ISP DNS IPs. However when I try to connect or resolve a URL it fails. Nor can I perform an nslookup from the cli of the 891 W. I seem to be having a translation issue with DNS.       

Sincerely,

Erik Kaiser
WSA CSE
WSA Cisco Forums Moderator       

Sincerely, Erik Kaiser WSA CSE WSA Cisco Forums Moderator
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VIP Expert

Re: Cisco 891 W DNS configuration with Comcast

Hi Eric,

Do you have these 2 commands on the router?

Example:

ip domain name abc.com

ip name-server xx.xxx.xx.xx (ISP's DNS)

HTH

Cisco Employee

Re: Cisco 891 W DNS configuration with Comcast

Hi ,

I do have the DNS entries of my ISPs IP but not the domain name abc.com I wouldnt know what to reference with that command being Comcast. I went ahead and added comcast.net. I am able to recieve the IP address from Comcast via DHCP but I still cannot resolve any URLs. I have attached my config for your review.

Sincerely,

Erik Kaiser
WSA CSE
WSA Cisco Forums Moderator

Message was edited by: Erik Kaiser

Sincerely, Erik Kaiser WSA CSE WSA Cisco Forums Moderator
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