hi everyone

I'd like to ask - how MTU affects link/connection of a tunnel if MTUs on both ends are different?


I'm asking because I'm seeing behaviour, symptoms which I think relate or are directly caused by:

_Aclient(auto=1500) <=> server(out iface auto=1500), server other iface 10.10.10.100(mtu=8192)

_Aclient vpns in fine, server's rightsourceip=10.10.10.220,10.10.10.221 and server is pingable from _Aclient as any other node on 10.10.10.0/24 is, but! _Aclient cannot ssh to the server nor can to any other node on 10.10.10.0/24

Normally I'd blame, with high certainty, MTUs but because I only begin looking at Strongswan I'm looking for experts to share few thoughts and advices.

many thanks, L.

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