from my experiments (mandrake 9.1, kernel-2.4.21-mdk0.25) and from the NFS(5) manpage it comes out that UDP will be the default protocol linux will try.
you can specify otherwise on the mount command (mount -t nfs -o tcp server:/share /mnt/bla) but that
will cause that if TCP fails it won't fallback to udp.


just a note:
on Solaris 8&9 (and HP-UX11.11) the default is TCP, and SUN even recommends on using TCP...
(and if some1 forgot... SUN invented NFS)


Noam

Erez Kirson wrote:

Hi

From my knowledge it does fall back to UDP,
I have tried this with NETAPP filers where you can just turn off "nfs tcp
support",
The linux client tries to mount tcp and then falls back to udp.
I have even tried to ues the -o proto=tcp , and it fails ( just to make sure
TCP nfs connections are disabled )

Hope it helped

Erez


----- Original Message ----- From: "Muli Ben-Yehuda" <[EMAIL PROTECTED]>
To: "Marc's List" <[EMAIL PROTECTED]>
Sent: Monday, November 24, 2003 4:36 PM
Subject: nfs mounting query




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