netdev - Re: bridge: HSR support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 12 Oct 2011 15:28:22 +0200
From:	David Lamparter <equinox@...c24.net>
To:	Arvid Brodin <arvid.brodin@...a.com>
Cc:	netdev@...r.kernel.org, Stephen Hemminger <shemminger@...tta.com>,
	Lennert Buytenhek <kernel@...tstofly.org>
Subject: Re: bridge: HSR support

On Wed, Oct 12, 2011 at 01:51:22AM +0200, Arvid Brodin wrote:
> Stephen Hemminger wrote:
> >> I want to add support for HSR ("High-availability Seamless Redundancy",
> >> IEC-62439-3) to the bridge code. With HSR, all connected units have two network
> >> ports and are connected in a ring. All new Ethernet packets are sent on both
> >> ports (or passed through if the current unit is not the originating unit).


> >> The same packet is never passed twice.

How does the bridge decide whether a packet is arriving the second time?
Is the ring pre-resolved to stop things or does this happen per-packet?


-David
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html