[j-nsp] Rate selectability on MPC7E-MRATE

[Brian Johnson]

So you have a 4x10G breakout and a 100G QSFP28 in the same group of 3 interfaces and they are all working? Just because I can install and configure the optics, doesn’t mean they will function. This would conflict with what is coming from Juniper Product teams.

To be clear, I realize that the ports do not “disappear” because you insert the QSP28 into the port group, just that they will not work. :)

- Brian

> On May 6, 2020, at 9:14 AM, sthaug at nethelp.no wrote:
> 
>> 2. If you put a 100G optic in the QSFP28 port, the other 2 QSFP ports are not available. So 100G per group with a QSFP28 in them. Assuming only 100G QSFPs in use, the card will do 400G total.
> 
> Yes. But you can have 8 x 10G in addition in the form of 2 x 40G with
> breakout. This is from one of our routers with an MPC7E-MRATE card:
> 
> xe-3/0/0:0              down  down
> xe-3/0/0:1              down  down
> xe-3/0/0:2              down  down
> xe-3/0/0:3              down  down
> et-3/0/2                up    up
> et-3/0/5                up    up
> xe-3/1/0:0              down  down
> xe-3/1/0:1              down  down
> xe-3/1/0:2              down  down
> xe-3/1/0:3              down  down
> et-3/1/2                up    up
> et-3/1/5                up    down
> 
> and the corresponding chassis config is:
> 
> pic 0 {
>    port 0 {
>        speed 10g;
>    }
>    port 2 {
>        speed 100g;
>    }
>    port 5 {
>        speed 100g;
>    }
> }
> pic 1 {
>    port 0 {
>        speed 10g;
>    }
>    port 2 {
>        speed 100g;
>    }
>    port 5 {
>        speed 100g;
>    }
> }
> 
> Steinar Haug, Nethelp consulting, sthaug at nethelp.no