[nflug] Bridging two Subnets (Linux Router Project?)

[justin.bennett at dynabrade.com]

Hey Folk,

        I have an increasing situation that I'm looking to be proactive 
about. I have a class C internal network at our office here, that due to 
growth  is running out of IPs, it's a 192.168.x.0/24 situation. I've come 
up with two possible solutions, fell free to suggest others, it doesn't 
have to be a free solution, just production quality.

1. Drop the subnet mast to 255.255.252.0 or less, This gives me more IPs, 
and makes no physical changes to the network, but requires me to 
reconfigure 250+ pcs, servers, VPNs, VPN routes on remote sites, ect. This 
is not really desirable. 

2. Create a new 192.168.(x+1).0 subnet on a separate physical network and 
bridge the two with a router.  All new network drops would get plugged 
into this subnet.

        The second solution is more appealing to me as it doesn't require 
changing all the existing devices, except adding a route to a firewall or 
two. The problem is I don't think I'm looking at a Cisco router in this 
situation, I would want probably 2 GB interfaces one for the existing 
subnet and one for the new and just have it route between the two, I don't 
want any packet filtering, firewalling, ect. Just simple static routing. I 
don't seem to find GB ethernet in the cisco routers unless you buy 
something modular and add cards, then It has way too many features l don't 
need and starts to get pricey. I know I can do the same with a Linux box 
with 2 cheap GB cards, even with an out of the box Red Hat dist.  There 
used to be a Linux Router Project but looks like it's no longer 
maintained. 

        Is anyone had a similar situation? How have you handled it. Is 
there a better router / hardware device that I don't know of that does 
what I want?

Thanks
Justin

 
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