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List:       suse-linux-uk-schools
Subject:    RE: [suse-linux-uk-schools] DHCP... address classes
From:       Chris Puttick <chris () centralmanclc ! com>
Date:       2003-09-02 7:13:44
[Download RAW message or body]

For those interested, we tracked the errant DHCP server to the council; St
Pauls is currently receiving its Internet feed via the council network.
AFAICT, someone from the council has managed either to turn on DHCP relay on
the admin server they are responsible for or they've been messing with patch
leads. The investigation continues...

(BTW, it's much worse than Andy made it seem - St Pauls have gone Linux thin
client across the network - no DHCP server, no computer...)

Cheers

Chris

-----Original Message-----
From: Mark Evans
To: Andrew Nix
Cc: suse-linux-uk-schools@suse.com
Sent: 9/1/03 7:22 PM
Subject: Re: [suse-linux-uk-schools] DHCP... address classes

On Mon, Sep 01, 2003 at 02:09:17PM +0100, Andrew Nix wrote:
> Homer gives out correct address. I found out that a dhcp server with a
> class A address is also giving out address. So my guess is that we are
> picking up dhcp from the council network or someone has added a pdc to
our

In other words you appear to be saying someone has added an unauthorised
DHCP server (or DHCP relay agent) to your network. At some point her or
she needs to be told that this sort of thing causes all sorts of
problems.

> network. The log files appears to show the the pdc is giving out class
A
> addresses. Anyone got any ideas?

You could try "ifconfig eth0:0 <IP address of bogus server>" which
might work as a quick and dirty fix. Alternativly check out the BOFH
handbook :)

-- 
Mark Evans
St. Peter's CofE High School
Phone: +44 1392 204764 X109
Fax: +44 1392 204763

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