john@ziaspace.com (John Klos) writes:

>When I use the ip4csum option on the interface over which the gif tunnel 
>communicates, IPv6 over the tunnel stops working.

Is this just IPv6 via tunnel or any IPv6 traffic ?


[...]
>I don't see any specific PRs referencing this. Does anyone have a good 
>idea on where to start, or does anyone have other systems on which to test 
>this?

I can try to reproduce the problem.

wm0 at pci3 dev 0 function 0: Intel i82573L Gigabit Ethernet, rev. 0

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                                Michael van Elst
Internet: mlelstv@serpens.de
                                "A potential Snark may lurk in every tree."