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RE: too long mac address: msg#00371

network.dhcp.isc.dhcp-server

Subject: RE: too long mac address

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Thanks so much Simon for your prompt reply. That is such a great help.
You've made my day.

-----Original Message-----
From: Simon Hobson [mailto:shobson@xxxxxxxxxx]
Sent: 29 January 2003 09:57
To: dhcp-server@xxxxxxx
Subject: Re: too long mac address

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Boyle Bernadette wrote:

>Jan 29 09:19:07 skye dhcpd: DHCPDISCOVER from
>52:41:53:20:90:41:f4:13:47:3e:c2:01:01:00:00:00 via 193.x.y.2: network
>MOORE6: no free leases
>
>Does anyone know what causes this: I'm running a Windows relay agent.

Yes, someone is running a RAS server on the network (52:41:53:20 is
hex for RAS<space>).

You can put something like :

if (substring (option dhcp-client-identifier, 1, 3) = "RAS") {
ignore booting;
}

to simply ignore all RAS requests. By default, a RAS server will try
and acquire a number of addresses (10 IIRC) for it's clients whether
they are needed or not - so they can quickly use up your address
space.

Simon

--
Simon Hobson, Technical Services Engineer
Colony Gift Corporation Limited
Lindal in Furness, Ulverston, Cumbria, LA12 0LD
Tel 01229 461100, Fax 01229 461101

Registered in England No. 1499611
Regd. Office : 100 New Bridge Street, London, EC4V 6JA.

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