eth appears down with a lot of ip-aliases?

[Yuri van Oers]

On Thu, 20 Dec 2001, Kevin Walker wrote:

> At 1:27 AM +0100 12/20/01, Yuri van Oers wrote:
> >Hi,
> >
> >At work we bumped into something odd, I thought perhaps someone here could
> >shed some light on it.
> >
> >The situation is as follows: There's a linux 2.4.16 (was RedHat 6.2,
> >before a lot of updates ;) box which takes care of MASQ'ing our internet
> >connection, facilitates a DMZ and portforwards stuff. Thus, the box has 3
> >NICs, eth0 - local LAN, eth1 - DMZ, eth2 - internet.
> >We have an IP range, and eth2 has several aliases (5 or 6, I believe, but
> >theoretically possible 31). We've got a script to set up our firewalling
> >rules at boottime.
> >
> >The funny thing is, after it boots, the eth2 connections appear not to
> >exist. Internal and external pings do not pong. We've checked and
> >doublechecked, but can't find anything wrong. If we toy aroung with the
> >interfaces a bit, like taking down eth0 and eth1, then putting them up
> >again, or reboot, suddenly eth2 (and aliases) works and the box does
> >correctly what it is supposed to do. But never a real change to the
> >configuration is done.
> >We had this once a while back, but we dismissed it as being something we
> >overlooked (this is still a possibility). But we moved yesterday, and the
> >same problem occured, several times.
> 
> Have you got linuxconf running? I had a similar problem with a DHCP server
> that was caused by a weird linuxconf interaction with another script.
> 

Hi,

Nope, linuxconf is not even on the system.

-Yuri