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kid1412hv
Asked: 2020-07-13 19:31:47 +0800 CST

Can Linux kernel support RSTP (802.1w)?

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Last week, I ran Spanning Tree Protocol (STP) in Linux kernel successfully.

Now, I am trying to support Rapid Spanning Tree Protocol (RSTP) in Linux kernel.

I also found out some solutions in user space such as mstp (https://github.com/mstpd/mstpd). However, I want to find a solution in the kernel.

I searched patch from internet but I can't find anything. Is there any limitation that Linux kernel is not able to support RSTP?

linux networking kernel stp rstp

1 Answers

  1. There was a daemon implementation of RSTP by Stephen Hemminger (https://github.com/shemminger/RSTP), but he has stated that it is EOL (last commit was 2011).

    The kernel only implements 802.1D-1998 STP, and the kernel documentation on bridging links to docs that state "STP should be in user space" :)

    Your best bet is the mstpd daemon.

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