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SubjectRe: IPSEC transport mode w/2.2.x kernels and large packets
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> > Hmm. mss routing table attribute is only used by local TCP connections.
>
> Which is the point we care about. Transport mode. Im not quite sure why
> you are worried about tunnels - tunnels work, they always have

Right, and this is why I would propose to send back ICMP from the
tunnel start point to the originating host for tunnel mode and prevent
the IPSEC stack from sending back ICMP in the case of a transport mode
encapsulation, letting the large mtu/small mss work its course.

Thanks, Alan, for these clarifications.

> Alan

slainte mhath, RGB
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