Hi Greg, there are a number of ways to achieve this.
To automatically do this then under the dialer interface use the "ppp ipcp dns request" command and the global "ip dns server" command.
In your dhcp pool use the "dns server A.B.C.D" where abcd is the lan address of your router.
This will cause the router to get the AT&T dns address and act as a proxy device. The first time a host requests the www.google.com address the router asks the AT&T dns to resolve it. The router then caches this entry locally and all subsequent request for that address are served by the router itself.
The other way, if you know the address, is to manually enter the AT&T dns address under the dhcp pool with "dns server a.b.c.d" as above.
I'm working on a project that includes basic router configurations. I configurated everything including: line console 0, line vty 0 15 and secret passwords. There are 3 routers in the network and every LAN is going t...
Desire to create Terminal Server ("TS" in this document) out of 2811 Cisco Router with HWIC-16A card (with Octal cables)
Desire to use SSH over Telnet
TS is ip'ed, SSH access configured (to the TS)
Python based Script to BULK Import/Delete devices using Cisco Prime API
Check my Repo on GitHub for all the details ( see below link )