11.3 NFS server: clients can't connect

Upgraded two machines to 11.3 in the past 2 weeks. NFS is SEVERELY broken on both, in different ways. The problem I’ll mention here is that the nfs server is running, but clients can’t connect.

The server is running:
tinderbox:~ # /etc/init.d/nfsserver status
Checking for kernel based NFS server: idmapd running
mountd running
statd running
nfsd running

It has a valid export list:
tinderbox:~ # showmount -e
Export list for tinderbox:
/usr/local/share/common 192.168.1.0/24

The export exists:
tinderbox:~ # ls -lR /usr/local/share/
/usr/local/share/:
total 4
drwxrwxrwx 2 root root 4096 Jan 2 12:10 common

/usr/local/share/common:
total 0
-rw-r–r-- 1 root root 0 Jan 2 12:10 test.txt

…but attempts to mount the export are unsuccessful, both from the local machine:
tinderbox:~ # mount.nfs 192.169.1.200:/usr/local/share/common /mnt -v
mount.nfs: timeout set for Sun Jan 2 12:14:19 2011
mount.nfs: trying text-based options ‘addr=192.169.1.200,vers=4,clientaddr=192.168.1.200’
mount.nfs: mount(2): Connection timed out
mount.nfs: Connection timed out

…and from an OpenSUSE 11.0 machine.
moira:~ # mount.nfs 192.169.1.200:/usr/local/share/common /mnt/tmp/ -v
mount.nfs: timeout set for Sun Jan 2 11:52:17 2011
mount.nfs: text-based options: ‘addr=192.169.1.200’
mount.nfs: Unable to connect to 192.169.1.200:111, errno 110 (Connection timed out)

mount.nfs: mount to NFS server ‘rpcbind’ failed: timed out, giving up

I’m stumped. I’ve had NFS running on my local network for over a decade, and never had problems like this before.

Any suggestions appreciated.

Here’s the solution:

In /etc/nfsmount, change “#Defaultvers=4” to “Defaultvers=3”, reboot and you should be OK. AFAIK this means you have not run the updater yet, IIRC an update was provided.

Thanks very much for the quick response.