From mboxrd@z Thu Jan 1 00:00:00 1970 References: <20090610074542.39f713eb@nehalam> From: Benny Amorsen Date: Fri, 12 Jun 2009 11:48:09 +0200 In-Reply-To: (Joakim Tjernlund's message of "Fri\, 12 Jun 2009 11\:41\:55 +0200") Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Subject: Re: [Bridge] RFC: Simple Private VLAN impl. List-Id: Linux Ethernet Bridging List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Joakim Tjernlund Cc: Stephen Hemminger , bridge@lists.linux-foundation.org Joakim Tjernlund writes: > Add them to a bridge and the bridge will pass pkgs between them, right? Of course. > However no real switch I know would do that because they are on > the same physical interface. True, and this is very problematic. > I think the bridge needs to check the physical interface too and don't > forward pkgs back on the same physical interface. Certainly not. Real-world configurations are made impossible by doing that. Linux doesn't need to limit itself to the myopic views of traditional switch designers. Their hardware is broken, ours isn't. /Benny