Path MTU growth in TCP?

[Andre Oppermann]

"George V. Neville-Neil" wrote:
> 
> Howdy,
> 
>         I was wondering if PMTU ever tries to grow the MTU of a
>         connection after a time?  I.e. if the path changes it might
>         change away from one where the MTU was particularly small.

It doesn't try to that in the strict sense.  It only starts over
again if the cached entry (currently in routing and soon in tcp
hostcache) expires.  But it only expires when there is not using
it for a certain amount of time.

-- 
Andre