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Re: Re: Recent RedBoot/BOOTP change
- From: Gary Thomas <gary at mlbassoc dot com>
- To: Jonathan Larmour <jifl at eCosCentric dot com>
- Cc: eCos Discussion <ecos-discuss at sources dot redhat dot com>
- Date: 15 Jul 2003 12:05:49 -0600
- Subject: Re: [ECOS] Re: Recent RedBoot/BOOTP change
- Organization: MLB Associates
- References: <1058290480.13233.8717.camel@hermes> <3F14419A.2060906@eCosCentric.com>
On Tue, 2003-07-15 at 12:02, Jonathan Larmour wrote:
> Gary Thomas wrote:
> > Jonathan,
> >
> > The change you recently made to BOOTP in RedBoot
> > (redboot/current/src/net/bootp.c version 1.10) has broken
> > BOOTP - at least when using the stock DHCP server from
> > Red Hat (8.0 and newer).
> >
> > I think we should revert this change, or find out why it was
> > made and what the differences are between different servers, etc.
>
> Hmm... I verified that change against the RFCs:
> http://www.faqs.org/rfcs/rfc2132.html section 9.6. Clearly it is correct
> (52 is option overload which is N/A for a client request and so should be
> ignored by a server) so perhaps there is something else going on or indeed
> servers out there are broken (although this seems unlikely). Assuming the
> option is required at all for some reason - I haven't looked at what's
> required for DHCP gatewaying.
>
> Perhaps it is the response to it that changes in a way that is not
> expected by the current code. More investigation is required evidently.
Well, the DHCP server on RedHat 8.0+ definitely doesn't like it.
It treats it as an invalid lease request, not a BOOTP request at
all, and drops it without any response. At least the old value
was working - and no one complained for years.
--
Gary Thomas <gary@mlbassoc.com>
MLB Associates
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