[OpenAFS] Stupid NAT routers & UDP keepalive packets

[Ryan C. Underwood]

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The standard suggestion to people experiencing AFS disconnections after
idling on a NAT is to increase the UDP mapping timeout on the router.
Unfortunately, this is impossible for the majority of idiotic "routers"
sold in stores with proprietary firmware.  Is it possible for the AFS
client to send a periodic keepalive packet itself for this purpose,
similar to the OpenSSH client?  If I recall correctly, there is even a
"ping" packet type specified in Rx for this purpose.

--=20
Ryan C. Underwood, <nemesis@icequake.net>

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