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Re: Re: Recent RedBoot/BOOTP change


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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