Re: 2.0.32 Routing Bug?

Alan Cox (
Thu, 26 Feb 1998 08:52:58 +0000 (GMT)

> 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).

Currently yes. Thats tunable

> 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

This sounds like another piece of your equipment advertised a set of routes
or redirects and you are running some kind of routing daemon or picking
them up via ICMP redirect

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

Not really.

> 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.

I've no other reports but thats never quite the same as saying "must be

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