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xCAT Network Boot Agent
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6d11229e83
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Michael Brown 6d11229e83 [dhcp] Include session state metadata in packet traces 
(Ab)use the "secs" field in transmitted DHCP packets to convey
metadata about the DHCP session state.  In particular:

  bit 0 represents the receipt of a ProxyDHCPOFFER
  bit 1 represents the receipt of a DHCPOFFER
  bits 2+ represent the transmitted packet sequence number

This allows some relevant information about the internal state of the
DHCP session to be read out from a packet trace from a non-debug build
of iPXE.  It also potentially allows replies to be correlated to their
requests (for servers that copy the "secs" field from request to
reply).

Signed-off-by: Michael Brown <mcb30@ipxe.org>
2010-10-09 01:24:18 +01:00
contrib [contrib] Allow "cow" script to create the SAN device itself 2010-09-22 16:40:06 +01:00
src [dhcp] Include session state metadata in packet traces 2010-10-09 01:24:18 +01:00
COPYING Initial revision 2005-05-17 16:44:57 +00:00
COPYRIGHTS [build] Rename gPXE to iPXE 2010-04-19 23:43:39 +01:00
README [doc] Re-add README file 2010-05-28 00:03:47 +01:00

README 

iPXE README File

Quick start guide:

   cd src
   make

For any more detailed instructions, see http://ipxe.org