Dual NICs in BSD

[Ted Mittelstaedt]

You can't.  If the whole idea of this is failover in case a NIC
fails, you setup a script that runs from cron and monitors the
active NIC, if it goes down the script reassigns the IP to the
other NIC.

Ted

> -----Original Message-----
> From: owner-freebsd-questions at freebsd.org
> [mailto:owner-freebsd-questions at freebsd.org]On Behalf Of Trevor B.
> Sullivan
> Sent: Friday, November 19, 2004 5:09 AM
> To: freebsd-questions at freebsd.org
> Subject: Dual NICs in BSD
> 
> 
> Hi, I have a Compaq Proliant 3000 server with a fresh install of FreeBSD
> 5.2.1 on it. It has an Intel Dual-port NIC (of which I'm using one
> port), and a Netgear GA620 Gigabit fiber card. The copper port is
> referred to as fxp0 and the fiber, ti0. I'm having a problem getting the
> two network connections to work together with the same network address.
> My private subnet is 10.100.100/24, though if I try to set two adapters
> each with their own IP but on the same network, I get "File already
> exists" or something to that effect. The default route to my m0n0wall
> box is set through fxp0, and I can get ti0 to work if I set the network
> addr to 255.255.255.255, but then if my copper interface goes down
> (using "ifconfig fxp0 down" as test), the fiber interface will not then
> connect. My basic question is...how do I get two independent cards to
> have their own IP address on the same network address? Thanks in advance
> for assistance. 
>  
> Trevor B. Sullivan
> Information Technology
> Baxter & Woodman, Inc.
> Phone: (815) 459-1260 x1337
>  
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