netdev - Redundancy Network Monitoring

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Message-ID: <d4752eb8-3d21-fe4b-a0d2-06b311724d8c@systec-electronic.com>
Date: Wed, 15 Jan 2025 14:21:22 +0100 (CET)
From: Andre Werner <andre.werner@...tec-electronic.com>
To: bridge@...ts.linux.dev, netdev@...r.kernel.org, linux-net@...r.kernel.org
Subject: Redundancy Network Monitoring - How To?

Dear Readers,

I face a problem where I have not found an appropriate answer, yet.
I have a dedicated ring topology in a network. To simply manage opening
the ring we can use STP and its derivatives (e.g. mstpd). I also found that
there is support for Media Redundancy Protocol (MRP) in the Linux kernel
which may fit my needs better. However, I'm wondering how to use it since
the bridge commands mentioned in the Patch have not been implemented yet,
although the first patch set was more than 3 years back. Moreover, in addition
to automatic rerouting via other nodes in case of topology changes,
I need information about changes in the topology itself, even if the route
is currently not used. Is there any option provided in SW or even in the Kernel to
achieve this goal. It is a kind of predictive maintenance.

Thanks in advance.

André