I have found a lot of documentation that would alow a router to be a dns server. The command to turn on the server is "ip dns server" This command does not exist in the IOS version I am running. I am running the following c3640-i-mz.124-25b.bin
ip dns server
To enable the Domain Name System (DNS) server on a router, use the ip dns server command in global configuration mode. To disable the DNS server, use the no form of the command.
ip dns server
no ip dns server
Syntax Description
This command has no arguments or keywords.
Command Default
The DNS server is disabled.
Command Modes
Global configuration
Command History
Release | Modification |
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12.2(4)T |