NFS client defaults to a mix of UDP and TCP
Andriy Gapon
avg at icyb.net.ua
Mon Sep 14 13:28:56 UTC 2009
on 14/09/2009 15:58 John Baldwin said the following:
>
> Yes. I know of folks would love to have NFS use only TCP, including the
> initial RPC portmapper requests. IMO an NFS mount should use TCP for
> everything and a UDP mount should use UDP for everything by default.
>
And another fact - it seems that NFS umount unconditionally uses UDP for "something":
/*
* Report to mountd-server which nfsname
* has been unmounted.
*/
if (ai != NULL && !(fflag & MNT_FORCE) && do_rpc) {
clp = clnt_create(hostp, MOUNTPROG, MOUNTVERS, "udp");
...
--
Andriy Gapon
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