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From: pprindev@wellfleet.com (Philip Prindeville)
Newsgroups: comp.protocols.tcp-ip
Subject: Re:  Does anyone use IP options?
Message-ID: <8909051746.AA07064@tien.Wellfleet.Com>
Date: 5 Sep 89 17:46:21 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The Internet
Lines: 13

> 	The current version of the NSC EN641 router code we have drops (not
> ignores, DROPS) packets with IP Record Route.
> 	Just to point out that even if your hosts do options, you might have
> troubles if your gateways (or someone else's) don't. Source route, record
> route, security compartment, etc. aren't very useful unless everyone you
> want to talk to and everyone in between honor them.

Version 5.10 is being prepared for release.  It includes all the options
(even MTU) except ESO/BSO.  It should be available from NSC sometime in
the next quarter.  If you have arrangements for beta-testing with NSC,
and you have an urgent need, this may be worth pursuing.

-Philip