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Re: [vox-tech] NFS mount "RPC: Timed out" error
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Re: [vox-tech] NFS mount "RPC: Timed out" error



On Mon, 14 Jul 2003, Peter Jay Salzman wrote:

> On Mon 14 Jul 03,  4:34 PM, Bill Kendrick <nbs@sonic.net> said:
> > On Mon, Jul 14, 2003 at 03:06:46PM -0700, Ken Herron wrote:
> > > 
> > > Err, isn't hosts.allow the TCP wrappers config file? NFS usually runs 
> > > over udp in a lan environment; I don't see how TCP wrappers could be 
> > > involved.
> > 
> > I was just following the HOWTO :^)
> > 
> > 
> > <snip>
> > > It'd be helpful to to know exactly what rpc program/version the client is 
> > > trying to invoke when it times out. Could you snoop the network during a 
> > > mount attempt? If it's trying to talk to nfsd, then the question is why 
> > > nfsd is ignoring the client. If the client is trying to talk to lockd, 
> > > then the question is why lockd isn't running.
> > 
> > I've never 'snooped' a network before. ;^)  Any good HOWTO pointers?
> 
> here's how to be snoopy:
> 
> tcpdump -i eth0
> tcpdump -i eth0 udp
> tcpdump -i eth0 tcp
> tcpdump -i eth0 tcp port 119
> tcpdump -i eth0 udp port 119
> 
> you can get port numbers from /etc/services or google.
> 
> i think i got all this right.  when you look at man tcpdump, you realize
> that it's an incredibly complicated tool...  

Ethereal helps make tcpdump a little easier to swallow.

Also, see the August issue of Linux Journal.

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