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So Basically you would configure the local DNS under the DHCP pool on the router this would hand out DNS server informtaion to your hosts when they get a DHCP address.ip dhcp pool usersdns-server x.x.x.xdns-server x.x.x.xThe on your local DNS server ...
This kind of depends. Are trying to enable DNS on the router for a host (PC) to use or for the router to be able to use dns for ping or traceroute commands? Are you also using the router for DHCP as well?
I am a bit confused on exactly what you are trying to do. You say in your topology diagram that you have vlan 2 on the switches set as 10.240.31.1 and 10.240.31.1 yet in the configuration you have VLAN interface 2 set as 192.168.4.10/24 and 192.168....
Then I would suggest using a static nat statement like this."ip nat inside source static 192.168.3.2 172.27.6.133"Then when somebody tries to access the 172 address it will resolve to the 192.Hope this Helps.
