[lug] Two NICs, one IP

[George Sexton]

I, and a lot of others, have been very happy with QWEST DSL service using
FRII as an ISP. 

George Sexton
MH Software, Inc.
http://www.mhsoftware.com/
Voice: 303 438 9585
  

> -----Original Message-----
> From: lug-bounces at lug.boulder.co.us 
> [mailto:lug-bounces at lug.boulder.co.us] On Behalf Of Jeff Schroeder
> Sent: Wednesday, August 11, 2004 2:38 PM
> To: Linux Users Group
> Subject: [lug] Two NICs, one IP
> 
> Hey all--
> 
> I manage a Linux server for a client, and he has asked me to 
> set things up so the server will be able to withstand the 
> failure of a physical cable on the LAN.  The server has two 
> NICs (eth0 and eth1, in
> Linuxspeak) and he wants both to have the same IP address.
> 
> I don't believe this is possible, since the box won't know 
> where to route outgoing packets (eth0? eth1? both?), and I've 
> seen instances where a network interface won't even come up 
> if the system thinks there's another machine with that IP on 
> the network.
> 
> However, before I tell him it isn't possible, I wanted to 
> confirm it with the group here.  I don't have any 
> hard-and-fast documentation to support my claim, but it just 
> doesn't seem right to me.  Can anyone tell me for sure that 
> it's not possible?  Or, if it is, how to do it properly?
> 
> TIA,
> Jeff
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