[OpenAFS-devel] File server won't talk to client

[Derrick J Brashear]

On Mon, 17 Nov 2003, Jim Rees wrote:

> Here is some more info.
>
> tcpdump trce:
> /afs/umich.edu/user/r/e/rees/pub/fs-wont-talk.tr
>
> server FileLog (grep for client IP):
> Fri Nov  7 17:48:52 2003 CB: RCallBackConnectBack (host.c) failed for host 66.93.1.248:22774
> Sat Nov  8 00:13:13 2003 CB: RCallBackConnectBack (host.c) failed for host 66.93.1.248:25810
> Sat Nov  8 09:56:36 2003 CB: RCallBackConnectBack (host.c) failed for host 66.93.1.248:30150
> Sat Nov  8 15:10:47 2003 ProbeUuid failed for host 66.93.1.248:25334

I bet your NAT solution is expiring port mappings too fast, and you're
getting a new mapping frequently. Can you tune the timeout? Can you fix
internal host port 7001 on the various hosts to fixed ports on the NAT
host to see if the problem goes away?

(Guessing from the spread of port numbers)