Re: IPv6 inflight fragmentation

31.10.2021 05:24, Peter пишет:
> From what I understood, inflight fragmentation (on an intermediate router)
> is not practical with IPv6. But it happens:
> And it doesn't seem like these packets would be answered at all.
> 
> This happens when there is a dummynet pipe/queue rule (or a divert
> rule) in the outbound rules to an interface that must reduce the MTU.
> As soon as we skip over that dummynet (or divert), we get these ICMPv6
> messages at the other end, and the fragmentation ceases:

Hi,

divert rule does implicit IP fragments reassembling before passing a
packet to application. I don't think dummynet is affected by this.

-- 
WBR, Andrey V. Elsukov