Brother printer and option "routers"

David W. Hankins David_Hankins at
Fri Dec 12 21:33:14 UTC 2008

On Fri, Dec 12, 2008 at 02:47:49PM +0000, Simon Hobson wrote:
> Check the packets on the wire with a packet sniffer (eg wireshark) - 
> specifically you are looking for the list of options requested, and the 
> list of options supplied. IIRC there is a bug in one or more recent 
> versions where the client can ask for a list of options, and the server 
> sorts them (to put routers, subnet mask, etc) at the beginning. The bug 
> manifests itself if the client asks for options in a particular order, and 
> the server sends one option twice and omits another.

- Clients that sent a parameter request list containing the
  routers option before the subnet mask option were receiving
  only the latter.  Fixed.

(fixed in 3.1.2, 4.0.1, 4.1.0 I think - don't trust me, check

One of my bugs, actually, trying to conform to a srange hidden MUST
in RFC 2132 for the ordering of options in reply.

More trouble than it was worth.

Doesn't look like the OP is having that problem tho...

Ash bugud-gul durbatuluk agh burzum-ishi krimpatul.
Why settle for the lesser evil?
David W. Hankins	"If you don't do it right the first time,
Software Engineer		     you'll just have to do it again."
Internet Systems Consortium, Inc.		-- Jack T. Hankins
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