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List:       dhcp-client
Subject:    SLP problem (fwd)
From:       Andrew Nielson <A.Nielson () mailbox ! gu ! edu ! au>
Date:       2003-03-07 4:24:55
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Hi,

After around 2 and a half days of looking at this I've tracked down and
fixed the problem with slp information not being sent with dhcp packets.

After checking ISC's dhcp debug mode (dhcpd -d -f) I found that it was
answering as not-authoritative for most subnets. It would appear that
unless you specify authoritative; as an option it defaults to
not-authoritative.

When the dhcp server is not authoritative some information is not passed
out. slp information is one of these bits of info.

Andrew

---------- Forwarded message ----------
Date: Wed, 5 Mar 2003 17:39:59 +1000 (EST)
From: Andrew Nielson <A.Nielson@mailbox.gu.edu.au>
To: dhcp-client@isc.org
Subject: SLP problem

Hi,

I've been having difficulty passing on slp scope and directory agent
information using ISC's dhcp V3.0.1rc11

I've tried the following 3 ways in my dhcpd.conf:

A)As I understand it should be set:
option slp-directory-agent false 132.234.x.x, 132.234.y.y;
option slp-service-scope false SCOPE

B) As sugested by Robert Dal Santo
option slp-directory-agent code 78 = { boolean, ip-address };
option slp-scope code 79 = { boolean, text };
option slp-directory-agent false 132.234.x.x, 132.234.y.y;
option slp-service-scope false SCOPE

C) and lastly as suggested by Robert Dal Santo:
option slp-scope code 79 = string;
option slp-server code 78 = string;

option slp-scope 00:03:44:45:54:49:52;
option slp-server b0:04:84:ea:d0:73:00:03:44:45:54:49:52;D

By sniffing the packet's it would appear that neither of these ways is
actually getting into the dhcp packet.

Sniffing on pc which is getting it's dhcp from a novell dhcp box shows the
concerned packets as follows:
4E:09:01:84:EA:D0:73:84:EA:BE:02B
4F:08:01:47:55:53:43:4F:50:45:FF

Any suggestions would be greatly appreciated

Thanks,
Andrew



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