netdev - Re: RFC: PTP Boundary Clock over UDPv4/UDPv6 on Linux bridge

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Date:   Tue, 16 Nov 2021 12:02:31 +0100
From:   Kurt Kanzenbach <kurt@...utronix.de>
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "bridge@...ts.linux-foundation.org" 
        <bridge@...ts.linux-foundation.org>,
        Richard Cochran <richardcochran@...il.com>,
        Roopa Prabhu <roopa@...dia.com>,
        Nikolay Aleksandrov <nikolay@...dia.com>
Subject: Re: RFC: PTP Boundary Clock over UDPv4/UDPv6 on Linux bridge

On Tue Nov 16 2021, Vladimir Oltean wrote:
> This should do the trick as well?
>
> /sbin/ebtables --table broute --append BROUTING --protocol 0x88F7 --jump DROP
>
> /sbin/ebtables --table broute --append BROUTING --protocol 0x0800 --ip-protocol udp --ip-destination-port 320 --jump DROP
> /sbin/ebtables --table broute --append BROUTING --protocol 0x0800 --ip-protocol udp --ip-destination-port 319 --jump DROP
>
> /sbin/ebtables --table broute --append BROUTING --protocol 0x86DD --ip6-protocol udp --ip6-destination-port 320 --jump DROP
> /sbin/ebtables --table broute --append BROUTING --protocol 0x86DD --ip6-protocol udp --ip6-destination-port 319 --jump DROP

After quick test, indeed it does. Thanks, problem solved.

Thanks,
Kurt

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