failover batched dhcpbndupd
PEARL ABOTSI
pabo80 at yahoo.com
Thu Aug 10 18:56:05 UTC 2006
Hi,
I am using dhcp-3.0.4b2 and I would like to know
whether dhcpd can accept batched bndupdates from a
failover partner. I have looked at the servers using
ethereal and I only see bndupdate messages containing
a single update. It does say in failover draft#7 that
failover servers MAY accept batched bndupdates so I
was just wondering if dhcpd accepts them. I looked in
failover.c and there is a comment that says accept an
option only once.
****failover.c****
/* Only accept an option once. */
if (link -> imsg -> options_present &
ft_options [option_code].bit) {
log_error ("FAILOVER: duplicate option
%s",
ft_options
[option_code].name);
return ISC_R_PROTOCOLERROR;
}
******failover draft#7******
Multiple binding update transactions MAY be batched
together in one
BNDUPD protocol message with the data sets for the
individual tran-
sactions delimited by the assigned-IP-address
option, which MUST appear first in the option set for
each transaction. Ordering of
options between the assigned-IP-address options is
not significant.
This is illustrated in the following schematic
representation:
Non-IP Address/Non-client specific options
first
assigned-IP-address option for the first IP
address
Options pertaining to first address,
including
at least the binding-status option and
others as
required.
assigned-IP-address option for the second IP
address
Options pertaining to second address,
including
at least the binding-status option and
others as
required.
-Thanks.
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