Ss far as I know the HWMP theory says that in case there is more than one
node configured as ROOT, a mesh node will receive proactive PREQs with
different originator mac addresses.
The mesh node then sets the lowest originator mac address as the ROOT. All
mesh nodes configured to act as ROOT, upon receiving proactive PREQ with
lower originator mac address, stop sending proactive PREQ and set the
originator of the proactive PREQ with lower MAC address as the ROOT.
So finally there remains a single ROOT node which sends proactive PREQs and
has paths to all nodes within the MBSS.

Antonio

2011/11/22 MingAnn Ng <[email protected]>

>  Hi all,
>
> I had configured two mesh gate and 1 mesh point, they are connect
> together under 1 subnet. From Wireshark, two root announcement had been
> observed.
>
> How do we verify which mesh gate the mesh point used to ping the PC, which
> i connect to the two mesh gates using a switch. Does both of the mesh gate
> operates at the same time or only 1 of the mesh gate will operate at 1 time?
>
> Thanks,
> Ming Ann
>
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