Hi Team,

We are currently using BMCA where we have one Primary ECU(GM), An Alternate
ECU(Passive state when Primary is in operation) and one Slave ECU. When
Primary ECU is down , Alternate ECU will became active and will be grand
master for the Slave ECU.

Primary ECU configured as master(GM) with below parameter:

priority1       240
BMCA          ptp
masteronly   1      ... etc

Alternate ECU (Passive when primary ECU is active) configured with below
parameter :


priority1        248
BMCA           ptp
clockclass     120 ... etc

Question is when Primary ECU is active and in GM role , Can we configured
Alternate ECU as slave. And When Primary goes down Alternate will be
active(GM) ?

If it is possible to configure Alterante ECU as Slave instead of PASSIVE
state when Primary ECU is Grand Master, Could you please let us know which
ptp configuration parameter can be used to make Alternate as Slave ?


Thanks,
Raj
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