From: shiran guez (shiranp3@gmail.com)
Date: Mon Oct 20 2008 - 14:45:28 ARST
if the switches are only layer 2 and you only have one router then you will
need a router on a stick to enable communication between the broadcast
domains, the def-gw is the router.
On Mon, Oct 20, 2008 at 6:31 PM, Sadiq Yakasai <sadiqtanko@gmail.com> wrote:
> I dont quite see why you need "router on a stick" in this situation to have
> PC1 talk to PC2???
>
> Because you have 2 different hosts sitting on 2 different switches, the 2
> broadcast domains are segmented alread for you.
>
> PC1 would arp for its gateway address (which is the router) via switch1
> (who forwards the arp broacast to the router), router replies the arp. PC1
> sends its frame with PC2's IP address (as the destination IP) and the
> routers mac address. Router recieves the frame, strips off the mac
> information, sees PC2's IP address as the destination, arp for PC2's mac
> address (if it doesnt already have this in its arp table), prepares the
> frame with the source and destination mac and IP addresses and sends it out
> the interface connected to PC2. This is all without any need for a router on
> a stick.
>
> Anyways, there you are Nouman.
>
> Sadiq
>
-- Shiran Guez MCSE CCNP NCE1 CCIE #20572 http://cciep3.blogspot.com http://www.linkedin.com/in/cciep3Blogs and organic groups at http://www.ccie.net
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