From: Mark Lewis (markl11@xxxxxxxxxxx)
Date: Sat Sep 30 2000 - 15:18:33 GMT-3
Hi,
Here's a useful ref:
http://www.cisco.com/warp/public/556/5.html
Mark
>From: Bill Dellamar <wdellamar@yahoo.com>
>Reply-To: Bill Dellamar <wdellamar@yahoo.com>
>To: ccielab@groupstudy.com
>Subject: fatkid lab 365 nat
>Date: Sat, 30 Sep 2000 10:33:59 -0700 (PDT)
>
>I have a question regarding fatkid lab #365 with nat.
>
>Why do I have to have network 197.7.6.0 in R4's
>routing table? It appears that when R4 receives a
>packet, it checks the routing table first on the
>destination address. If it exists, it then passes the
>packet to NAT, who translates it, and then forwards it
>to 10.2.2.0
>
>Why wouldn't the router NAT the address first and then
>look up the NAT'd destination in the routing table.
>
>Could someone shed some light on why it would work the
>way it does?
>
>The way it appears to work:
>Packet comes in -> check routing table -> pass to NAT
>-> check routing table for NAT'd address -> send
>packet.
>
>Why doesn't it work like:
>Packet comes in -> pass to NAT -> check routing table
>for NAT'd address -> send packet.
>
>Thanks,
>Bill
>
>
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