I have an application that requires 100GBASE-SR2 which uses 2x 50Gb/s PAM4.
I’ve narrowed down the transceiver to the MMA1T00-VS. I’m having trouble determining which PCIe HHHL adapter supports 100GBASE-SR2.
The ConnectX-6EN user manual does not say it supports 100GBASE-SR2, is that a typo?.
Can I use one optical transceiver and break out 2 channels of 100GBASE-SR2 using a breakout cable or will I need 2 transceivers and only get only one 100Gbe port out of each qsfp56 cage.
This f/w RN will also provide you the list with the p/n for the most suitable ConnectX-6 EN adapter for your application.
Be aware break-out functionality is only supported on our Ethernet and InfiniBand switches. Our adapters do not have this functionality, limited to switch side only, adapter is the end-point.
Thank you and regards,
~NVIDIA Networking Technical Support
Thank you for replying and explaining the breakout functionality.
MCX614106A-VCAT and two MMA1T00-VS transceivers will allow two ports of 200GBASE-SR4 or two ports of 100GBASE-SR2 or a combination of, depending on what’s on the other end of the fiber.
Or a MCX614106A-CCAT and two MMA1T00-VS.transceivers will allow two ports of 100GBASE-SR2 max.
Can you verify that the above is correct?
Thank you.
Hello MvB,
I thought breakout functionality meant to get more than one channel out of a single qsfp56 cage. For example, to get 2 independent 100GBASE-SR2 channels out of one 200GBASE-SR4 transceiver. That is not what I proposed in my previous reply. I wanted only one 100GBASE-SR2 channel per transceiver.
I chose the MMA1T00-VS.transceiver because the datasheet says it does 50Gb/s PAM4 and UP to 200Gb/s.
ConnectX-6 firmware release notes indicates it will support 100GbE in PAM4 mode which I assume is 100GBASE-SR2.
These are the release notes for the NVIDIA® ConnectX®-6 adapters firmware Rev 20.32.1010. This firmware supports the following protocols:
Speed that supports both NRZ and PAM4 modes in Force mode and Auto-Negotiation mode.
Speed that supports PAM4 mode only.
I guess what I am asking is will :
MCX614106A-VCAT and a MMA1T00-VS transceiver connect to a switch that is 100GBASE-SR2?
MCX614106A-CCAT and a MMA1T00-VS.transceiver connect to a switch that is 100GBASE-SR2?
Please let me know if this is not the case and how to get the ConnectX-6 to do 100GBASE-SR2?