[SATLUG] architecture for multiple LANs

[Travis H.]

Hey all, someone recently gave me a GigE card, and so I felt
compelled to set up a GigE LAN.  Now my current network is 100MBps,
with a managed switch, but the GigE managed switches are still
pricey.  So I bought a small GigE hub, and then I had to decide how to
architect it.

At first I had the two connected, but I was getting warnings because
the GigE NICs were responding to the 100MBps IPs and vice-versa.

What I ended up doing was making them seperate LANs, seperate IP blocks,
and creating a new domain for the Gig network so that Gig hosts would
try the Gig ports on other systems before the 100MBps IPs (due to search
order in resolv.conf).

I wasn't able to make all of the Gig IPs Gig though; some systems needed
to be on there (firewall), but were too old for the Gig PCI cards.

Of course, the Gig network might be saturated and the 100Mbps not, so this
is not a perfect form of optimization....  anyone address similar ideas
in their network design?

PS: NFS is a heck of a lot faster now.
-- 
"Cryptography is nothing more than a mathematical framework for
discussing various paranoid delusions." -- Don Alvarez
<URL:http://www.subspacefield.org/~travis/> -><-