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Re: Routing problem with two ethernet cards?



You will see inbound traffic on both interfaces, but replies only on the
interface with the default route configured. Your box simply doesn't
know any better than to send the replies via it's default gw.

http://lartc.org/howto/lartc.rpdb.multiple-links.html

regards

charlie




On Mon, 2005-11-28 at 23:18 +0000, Mike Richards wrote:
> > With your line:
> > 214.74.132.0    214.74.132.17   255.255.255.240 UG    0      0        0 eth1
> > you would just reach IP's in range 214.74.132.0 - 214.74.132.15; you
> > wouldn't even reach your gateway. The correct line for that subnet is:
> > 214.74.132.16   214.74.132.17   255.255.255.240 UG    0      0        0 eth1
> > you can reach IP's in range 214.74.132.16 - 214.74.132.31 with this line
> 
> Hmm... I just tried this, but no luck.
> 
> I'm beginning to think that either (1) what I'm trying to do simply
> isn't possible, or (2) the problem is somewhere else, like a hardware
> problem.
> 
> Let me ask this: If I configure eth0 and eth1 as stated, is it
> possible to ping both IP addresses from the outside world (e.g.
> 64.214.12.120)? Or does the ping to 214.74.132.20 (eth1) get routed
> back out of 214.74.101.116 (eth0), and the computer sending the ping
> doesn't recognize it?
> 
> All I'm trying to accomplish here is for the machine to respond to
> requests from the outside world over either IP address, but so far
> it's not working. Is this really tricky to do? Or should it be dead
> simple, and I need to look for a problem somewhere else?
> 
> Thanks again,
> Mike
> 
-- 
Charles Kidson
Systems Administrator
General Pants Group
charles.kidson@generalpants.com.au
Ph +61 2 9290 0813
Fx +61 2 9290 3339
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