platform.json defitions for ports can not breakout

[Steven Lu]

Hi

There could be some port can not breakout, and we do not have a clear definition how to declare in platform.json

There are few possible ways:

1.

        "breakout_modes": "1x100G[40G]",

        "default_brkout_mode": "1x100G[40G]"

2. 

no "breakout_modes" &   "default_brkout_mode" keys

3. only specify  "breakout_modes" or  "default_brkout_mode"

Could we clarify on this and update HLD?

Thanks

Steven

[Zhenggen Xu]

We use the first approach, breakout or not is just different modes. You can have fixed value as “2x50G” for both field too, I,E, only support 2x50G on this port.

 

I can add this notes into the HLD.

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