Re: IPv6 path MTU discovery not working (large number of retransmited TCP data packets)

Jörg Sonnenberger <[email protected]> Mon, 26 May 2025 21:15:17 +0200

Newsgroups	gmane.os.netbsd.devel.network
Message-ID	<[email protected]>

On 5/26/25 6:41 PM, Christof Meerwald wrote:
> The NetBSD VPS is using vioif0 with MTU 1500, but I am actually
> connecting to the IPv6 address via an HE tunnel (so the MTU on the
> path is lower).

Is your default route using the public address also used in the ICMP6 
error or a link local address of the same suffix?

Joerg