Re: cannot route after adding more interfaces

[David Coe <david@someotherplace.org>]

Shao Zhang <shao@cia.com.au> writes:
> 	Now, when I add an additional interface, eth0:7 which isn't used
> 	before, the routing tables change to the following:
> 
> 	100.100.100.0     *               255.255.255.0   U     0      0 0 eth0:7
> 	100.100.100.0     *               255.255.255.0   U     0      0 26251 eth0:11
> 	100.100.100.0     *               255.255.255.0   U     0      0 2233 eth0
> 	127.0.0.0         *               255.0.0.0       U     0      0 0 lo
> 	default           our.gate.way.ip 0.0.0.0         UG    1      0 16 eth0:7
> 
> 
> 	And the machine can no longer traceroute to anywhere.

I'm no IP expert, but eth0, eth0:7, eth0:11, etc. are all the same
device, so (as I understand and am doing on at least two multihosting
linux systems) I always just specify "eth0" in the ``route add''
commands.  Maybe you should try that and see if it helps?