openssh-based file transfers (e.g. rsync, scp, ...) are running 40 (!!) times faster via IPv4 than IPv6

[Vincenzo Romano]

Il giorno mer 7 nov 2018 alle ore 17:58 michaelof at rocketmail.com
<michaelof at rocketmail.com> ha scritto:
>
> openssh 7.6p1-lp150.7.4 on OpenSuse Leap 15 (both server and client)
>
>
>
> Hi all,
>
>
> first post to list, hopefully on-topic. Haven't found anything on the net, tried to ask at first in OpenSuse forums a
> while ago (https://forums.opensuse.org/showthread.php/533588-rsnapshot-rsync-massive-performance-decrease) and today
> opened a bug in OpenSuse's Bugzilla (https://bugzilla.opensuse.org/show_bug.cgi?id=1115075)
>
> As written in bug report, as general network issues could be excluded, any hints where to start, how to narrow down if
> this is a specific openssh issue or something else?
>
>
> Thanks in advance,
> Michael


Can you try the same transfer with a (totally) different protocol,
like FTP, NFS, CIFS?
This is to exclude any network-related slowdown.

-- 
Vincenzo Romano - NotOrAnd.IT
Information Technologies
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