XPost: linux.debian.kernel
Hi
Your mails are really hard to read. Please stick to proper customs and
fix your client to do proper quoting and restrict your line length.
See also
https://www.debian.org/MailingLists/#codeofconduct
On Thu, Mar 13, 2025 at 11:00:32AM +0000,
peter.gasparovic@orange.com wrote: >>> Finally, either this of MACVLAN setup (where I found this), I have new finding which I don’t like as it creates a hell of duplicate traffic into network. The problem is, that either VETH or MACVLAN-configured IP host's VM duplicates incoming
packets on its receiving port, connected to vSphere vSwitch, which in turn just dully floods it to uplinks, where my Wireshark sniffer sees it. This is how I discovered that.
I've retested the OP and confirming L2 path problem vanished, so from this perspective this case can be closed. Problem with reflecting (I originally called "duplicated") VM-ingress packets with VETH/MACVLAN setups is present.
How do we proceed?
From the minimal description you gave, I would assume you see MACVLAN as
it is supposed to work, at least depending on your exact config.
Reflecting packets via the network infrastructure is normal behaviour,
if configured this way.
Please provide information about the concrete configuration used on the
Linux box for the relevant network interfaces.
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Thank you.
And you really want to forego sending this to a public list. You made
it public.
Bastian
--
Violence in reality is quite different from theory.
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