VPN MTU limit breaks ssh connection to openssh 6.2p2 server

[Peter Stuge]

Ernst Kratschmer wrote:
> I am sorry, but I don't know what "ping with DF set" is.
> I can run "ping -l size". This fails if size is greater than 1252, over 
> VPN or LAN. 
> Not sure if this helps. 

On Linux:

$ man ping | grep -A 1 -B 5 DF

       -M pmtudisc_opt
              Select  Path  MTU  Discovery  strategy.   pmtudisc_option may be
              either do (prohibit fragmentation, even  local  one),  want  (do
              PMTU  discovery, fragment locally when packet size is large), or
              dont (do not set DF flag).

$


//Peter