The T1's are from different providers, Qwest and Sprint. And no we will not be running BGP...
""Troy Leliard"" wrote in message news:[EMAIL PROTECTED] > First big question, are your T1's from the same provider, or from a > different provider, and thus different "public" ip address space? If it is > from a different provider, you may well run into some problems with NAT. > > Say for example, client A connects to your webserver (via ISP A's public IP > address that is assigned to you, say x.x.x.x) which is then Nat'd to your > internal RFC1918 address That will work all fine and dandy, but what about > if your default gateway is ISP B's T1. Outbound packets, returning to > Client A, will be NAT'd to ISB B's outside address, say y.y.y.y. If Client > A is behind a stateful firewall, return packets will be dropped, as it will > have ISP B's SRC address, and it will be expecting ISP A's. > > There are a number of ways around this, but I will wait for more detauls > before going on. Presumably you are not / will not be running BGP, and have > your own AS? > > Terry Oldham wrote: > > > > Hello all, > > > > I am attempting to setup a Cisco 1721 Router with load > > balancing and > > NAT so that we can provide a dual T1 connection to the network. > > This is the > > first time I have done anything like this and I was wanting to > > know if > > anyone had any good pointers they could give me or any commands > > that I > > should beware of or add. > > > > Thanks, > > > > Terry O Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=64910&t=64904 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

