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Date:      Sat, 20 Aug 2016 17:29:52 +0100
From:      Bruce Simpson <bms@fastmail.net>
To:        Ryan Stone <rysto32@gmail.com>
Cc:        Ryan Stone <rstone@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>
Subject:   Re: svn commit: r304436 - in head: . sys/netinet
Message-ID:  <d5b22aef-1baf-1c06-a12f-c44c3f424865@fastmail.net>
In-Reply-To: <091555f6-05a8-3f91-0486-beb6531abd34@fastmail.net>
References:  <201608182259.u7IMx5oW002018@repo.freebsd.org> <4fbc2e1d-3a62-5963-83d5-f9c931503e51@fastmail.net> <3806700d-ed27-7915-4818-c2d64f7b806d@fastmail.net> <CAFMmRNyi=PwE9pc9_8wCU63=HttUzFR4Zh2v=uHKcQ-zaLxdJQ@mail.gmail.com> <fcb33eac-ec99-03c7-57b5-f24f86c4f41a@fastmail.net> <CAFMmRNwDPy4Hd35DrfREZQzjvd89qw=zhEriddG8U8NV7tD=EA@mail.gmail.com> <6f4449f2-d145-8b49-c3f0-433e8ff4d2a2@fastmail.net> <091555f6-05a8-3f91-0486-beb6531abd34@fastmail.net>

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On 20/08/16 17:27, Bruce Simpson wrote:
> Alternatively, the L2 destination MAC may be rewritten for that specific
> address, to avoid the destination being interpreted by routers in the
> Metro Ethernet core.

s/routers/switches/ -- in some views of the world, they are the same :)

PBB is also known as 'MAC-in-MAC' for this reason. There's also L2TP 
pseudowires, but we're not really there yet.



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