From owner-freebsd-hackers Wed Apr 1 11:15:35 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id LAA28785 for freebsd-hackers-outgoing; Wed, 1 Apr 1998 11:15:35 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from smtp01.primenet.com (smtp01.primenet.com [206.165.6.131]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id LAA28778 for ; Wed, 1 Apr 1998 11:15:31 -0800 (PST) (envelope-from tlambert@usr05.primenet.com) Received: (from daemon@localhost) by smtp01.primenet.com (8.8.8/8.8.8) id MAA24135; Wed, 1 Apr 1998 12:15:26 -0700 (MST) Received: from usr05.primenet.com(206.165.6.205) via SMTP by smtp01.primenet.com, id smtpd024109; Wed Apr 1 12:15:25 1998 Received: (from tlambert@localhost) by usr05.primenet.com (8.8.5/8.8.5) id MAA16199; Wed, 1 Apr 1998 12:15:09 -0700 (MST) From: Terry Lambert Message-Id: <199804011915.MAA16199@usr05.primenet.com> Subject: Re: NFS over TCP To: spork@super-g.com (spork) Date: Wed, 1 Apr 1998 19:15:09 +0000 (GMT) Cc: tlambert@primenet.com, roberto@keltia.freenix.fr, hackers@FreeBSD.ORG In-Reply-To: from "spork" at Apr 1, 98 12:04:26 pm X-Mailer: ELM [version 2.4 PL25] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > > I don't think you can limit UDP usage in the portmapper. I'm afraid that > > > the first call to the portmapper will always be in UDP. > > > > This is correct. As will the first mount request. > > So what about the second mount request? ;) Well, if the portmapper can be asked about it, it will try TCP. > portmapper on the remote machine claims everything is available via tcp. > nfsd started with the -t flag: You miss the point. The portmapper *must* be initially contacted via udp. > So should I call this "broken" and file a pr? The manpages are silent on > the subject, and the referenced RFC dates back to 1989. I've yet to find > the document titled "NFS: Network File System Version 3 Protocol > Specification, Appendix I". This is -stable as of two days ago. You need to look at the portmapper documentation, instead. > "Fixed bug where UDP was required to mount a TCP NFS filesystem. > Submitted by: Ken Hornstein, Sept.'94" > > Is it possible someone unfixed it? Yes, but not likely. This bears on the mount command; what is failing for you is the oncRPC request to the portmapper that asks it, among other things, whther or not you can use TCP to talk to it. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message