Missing Information in ACK from DHCPInform

Stephens, Bill {PBSG} Bill.Stephens at pbsg.com
Thu Aug 21 18:55:17 UTC 2003


After doing several traces, it appears DHCPINFORM acks in dhcp-3.0.1rc11
aren't sending complete responses.  We have windows clients issuing the
dhcpinform asking for information, like dns server addresses, domain
names, router addresses etc., and when we issue the ack the only options
in the response are the options in the global portion of the definiton. 
The clients then wipe out the information they previously received from a
valid request/ack when they first got their lease.  It's acting like it
never checks for options in the subnet or site definitions to send back to
the client when the client sends the DHCPINFORM.  The client sends a request
for options 1,15,3,6,44,46,47,31,33,43 and only receives the options that
are 
listed in the global section.  If I move the options out of the subnet
definition to the global section, the client receives all the options.

After running the debugger, I can't make heads or tails out of where the
dhcpinform subroutine should be looking up the options from the subnet
configuration settings.

Bill Stephens



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