RSYNC, net backup, NFS strangeness

Dear All,

I have been battling this for some time and have not found a solution.
Please let me describe a problem I have doing backups over rsync. The
machines involved are

*.10 - remote (from me) gateway machine that has two nic cards, one to a
cable modem (and the net) and another to a LAN (remote from me, local to
*.10) (running CENTOS 4.2)

*.131 - file server on the remote LAN (running CENTOS 4.2)

*.6 - my local machine that backups are directed to, connected to the
net via cable modem (running Fedora 3)

I want to backup *.10 over the net to *.6. There are files on *.131
that are NFS mounted to *.10. Backing up *.10 works fine, unless it is
backing up the files on *.131 (that are mounted to *.10).

I am using ssh with the rsync connection.

After anywhere from minutes to hours, the LAN networking stops. I
cannot see any machines on the LAN from *.10. I can access *.10 using
ssh and restart the LAN (/etc/init.d/network restart) and everything
starts working again, at least for a while.

Has anyone else seen this sort of problem? I don't really know where to
look.

Any pointers will be greatly appreciated!

Best regards,

--
Bob Smither <smither@xxxxxxxxx>

.

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