The ranting of an IT Professional

Feb 12 2010   2:56PM GMT

Cisco router not handing out DNS server to DHCP clients

Jason Tramer Jason Tramer Profile: Jason Tramer

I had a weird issue yesterday. I had a Cisco 1800 series router that was configured to hand out DHCP and up until a few days ago everything worked fine with it. Then suddenly out of the blue it still handed out DHCP but did not hand out the DNS-Server option even though it was configured.

I tried removing and re-adding that option and even rebooting the router but that didn’t resolve the issue. In the end I blew away the entire DHCP pool and re-created it and that resolved the issue.

Strange though.

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