[j-nsp] MX104 Limitations

[Saku Ytti]

That comment does not directly state it's in fabric side, the
implication can be made, but it's not true. There is no external PHY,
it's exactly like 4x10GE MIC, hence it must connect on WAN side.


On 25 June 2015 at 19:07, Olivier Benghozi <olivier.benghozi at wifirst.fr> wrote:
> Hi Saku,
>
> Well, it's what I can read in "Juniper MX Series", O'Reilly, by Harry Reynolds & Douglas Richard Hanks Jr.
> Chapter 1, section MX80: "in lieu of a switch fabric, each MX80 comes with four fixed 10GE ports."
>
> Olivier
>
>> 25 juin 2015 @ 15:35, Saku Ytti <saku at ytti.fi> wrote :
>>
>> On (2015-06-25 13:14 +0200), Olivier Benghozi wrote:
>>
>> Hey Olivier,
>>
>>> You meant: In MX80/104, where fabric should sit, you have 4 integrated 10GE ports.
>>
>> This is common misconception. People think the chassis ports are magical,
>> because they don't support QX QoS. But the chassis ports are actually on the
>> WAN side of the MQ, because that is only side where you have 4x10GE PHY.
>>
>> The MICs sit on the fabric side of the MQ.
>>
>>>
>>>> 25 june 2015 @ 13:10, Saku Ytti <saku at ytti.fi> wrote :
>>>>
>>>> Only difference is, that MPC 'wastes' 50% of capacity for fabric, and
>>>> MX104/MX80 spend this capacity for additional ports. (In MX80 where fabric
>>>> should sit, you have MIC cards)
>
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  ++ytti