[c-nsp] Juniper MX240 & MX480

[Chris Welti]

The 3rd-Gen (EA) Trio chip is actually rated at 480G, has been rate-limited to 240G in MPC7e and MPC8e linecards and
is currently rate-limited to 400G in the MPC9e cards and the 10003 MPC.
I have no idea why it is rate-limited but suspect thermal issues?
See the book Juniper MX Series, 2nd Edition by David Roy, Harry Reynolds, Douglas Richard Hanks

The documentation of the MX10003 MPC clearly says it's 1.2T per card:
https://www.juniper.net/documentation/en_US/junos/topics/concept/mpc10003-overview.html

System capacity of the MX10003 chassis is claimed to be 4.8T, so either there might be future MPC line cards with 2.4T
or they are counting capacity per direction ;)
https://www.juniper.net/us/en/products-services/routing/mx-series/mx10003/

Chris

On 01.11.17 11:25, adamv0025 at netconsultings.com wrote:
>> From: Mark Tinka [mailto:mark.tinka at seacom.mu]
>> Sent: Tuesday, October 31, 2017 2:41 PM
>>
>> There is a crossbar.
> The only thing I found about it was:
> Switch fabric capacity per slot	N/A
> 
>> Each MPC supports 1.2Tbps (delivered via 3x 3rd-Gen Trio chipsets in each
>> MPC) that handle the MIC's and interconnect to the crossbar.
>>
> Hmm that doesn’t seem right, 
> Materials say it's 1.2T per chassis. 
> So 600G per card and 3rd-Gen (EA) Trio is rated at 240G, so 3 of them would give you max 720G. 
> 
> adam
> 
> 
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