Arista 7050T Fast Ethernet

Hey, I wanted to make sure I’m not overlooking something with my Arista 7050T. I have another device which only does 100Mb (an older whole-home power meter) and it doesn’t seem to connect. Going over the documentation, it seems it only supports 1Gb/10Gb, but I wanted to see if anyone else can confirm or correct me on this.

No, it supports 100/1000/10000:

7050T_Datasheet_13_07_14 (arista.com)

The cable might be bad or you may need to statically assign the speed.

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I have seen that with a lot of older hardware. They don’t auto-negotiate or don’t do it well.

Ages ago I had an IDSL router that negotiated 100 Mbps but actually required forcing to 10 Mbps half-duplex.

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