2.0.32 Routing Bug?

Linux Kernel Mailing List (kernel@iggy.triode.net.au)
Thu, 26 Feb 1998 10:56:25 +1100 (EST)

I am adminstering a PC running 2.0.32. We are running approx 90 virtual
web servers using Apache. The machine boots up and everything runs fine
for a couple of weeks, then the routing of the ethernet aliases breaks.

Is there a limit to the number of ethernet aliases which can be run with
the 2.0 kernel? I've assumed the limit is 254 (Based on 1 C class block).

When the problem occurs we can no longer ping the address mapped to the
ethernet alias. The route -n command shows all of the expected routes
plus a new set of 90 routes all going to eth0:94

The problem can be resolved by ifconfig'ing each interface down and
re running the script to create the aliases and routes.

Are the any routing related changes in 2.0.33 or pre 34 ?

I'd be keen to talk with anyone else who is running a lot of Apache
virtual web servers on a linux box to see if this problem occurs
for anyone else.

Thanks. Paul

BTW, prior to 4 months ago this machine was running a 1.2.13 kernel and
this problem never occurred until after the upgrade.

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