Hi Thanks for the help.It actually turned out to be quite a simple config in the end and i had no dns servers for name resolution.I actually had to configure the natting on Enterasys equipment so i wanted to test it first on the cisco stuff
But thanks for the feedback Julian ""Charles Hammonds"" wrote in message news:[EMAIL PROTECTED] > from "Natting problem" thread... > > http://www.cisco.com/en/US/tech/tk648/tk361/technologies_configuration_examp le09186a0080093f30.shtml > > > "...The inside device cannot use the IP address of the outside device > because it is the same as the address assigned to itself (the inside > device). Therefore, the inside device will send a DNS query for the outside > device's domain name. The inside device's IP address will be the source of > this query, and that address will be translated to an address from the > "test-loop" pool because the ip nat inside source list command is > configured. > > The DNS server replies to the address which came from the pool "test-loop" > with the IP address associated with the outside device's domain name in the > payload of the packet. The destination address of the reply packet is > translated back to the inside device's address, and the address in the > payload of the reply packet is then translated to an address from the pool > "test-dns" because of the ip nat outside source list command. Therefore the > inside device learns that the IP address for the outside device is one of > the addresses from the "test-dns" pool, and it will use this address when > communicating with the outside device. The router running NAT takes care of > the translations at this point..." > > > Is that accurate??? The "ip nat outside source" command will translate the > IP in the PAYLOAD of the DNS reply packet even though it is not the > source??? doesn't sound right and I am unable to test it rite now... > > Charles Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=66231&t=66224 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
