On Mon, Mar 14, 2022 at 06:59:44AM +0000, Mike Tubby via Exim-users wrote: > On 13/03/2022 22:30, Evgeniy Berdnikov via Exim-users wrote:
> > On Sun, Mar 13, 2022 at 08:06:45PM +0000, Mike Tubby via Exim-users wrote:
> > > 2022-03-13 19:47:53 1nTTGO-0001Jw-Tr H=alt2.gmail-smtp-in.l.google.com
> > > [2a00:1450:4025:c03::1a]: SMTP timeout after sending data block (476909
> > > bytes written): Connection timed out
> > Looks like broken Path MTU discovery. Collect and post traffic dump here.
>
> root@relay1:/etc/init.d# traceroute -6 alt2.gmail-smtp-in.l.google.com ... > root@relay1:/etc/init.d# tracepath -6 -b alt2.gmail-smtp-in.l.google.com ...
Traceroute is not a traffic capture. Run tcpdump or tshark.
--
Eugene Berdnikov