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Re: IPv6 TCP sessions hangs when using PF keep state

Anthony Mallet <> writes:

> This means that if you initiate a TCP connection with a big MSS
> (e.g. 1460 on a gif tunnel with a 1480 MTU), the connection will
> eventually stall if the other part starts sending ipv6-frag packets.

But, the default mtu on gif(4) is 1280.   So you should not be seeing
IPv6 fragmentation.

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