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Connecting a UDM SE 10G SFP+ port to an Enterprise XG 24 SFP28 port: which DAC, and the mixed-speed limitation
The poster wanted to connect a UDM SE (10G SFP+) to an Enterprise XG 24 switch (25G SFP28) and asked whether an SFP+ DAC would work with the SFP28 port falling back to 10G, or whether an SFP28 DAC was preferable. The concern was whether the SFP28 cage would fall back to 10G with an ordinary SFP+…
