Do you know a unicast protocol for the Ethernet control plane?

Hi,
Does anyone know a protocol for the Ethernet control plane which has a unicast destination address?
MVRP, MMRP, MSTP, RSTP, all these protocols have a multicast reserved destination address.
Perhaps we have to look non-802.1Q control plane protocols.
Best regards,
Michel

Hi Peter,
> I wonder if any of the OAM protocols, especially the one providing the loopback/ping test is unicast-based.
In G.8013 (07/2011) section 7.3:
"The Ethernet loopback function (ETH-LB) is used to verify connectivity of a MEP with a MIP or
peer MEP(s). There are two ETH-LB types:
• Unicast ETH-LB.
• Multicast ETH-LB".
> In any case, think of LOOP frames sent by Catalyst switches to detect self-looped ports. In these frames,
> the source and destination MAC address are set to the unicast MAC of the egress port.
As I said above, it's a good case for my little study.
The LOOP frame, from Cisco, was certainly interesting and important before 2004.
Since 802.3ah-2004 we have the OAM remote loopback (in link OAM, and not network OAM as ETH-LB).
Best regards,
Michel

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Do you know a unicast protocol for the Ethernet control plane?

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