We got a new server (HP DL380p) with 2 additional SFP + ports, which I now wanted to connect to a Cisco Catalyst 2960S-24PD-L. In addition I had a HP DAC cable (HP X242 SFP +) in stock.
However, this does not work, even though the Cisco switch should support DAC-cables to the SFP + port.
Is this cable not suitable (only for connections between two HP switches)?
Are there any vendor-specific differences?
DAC was our first choice because of cost-reasens, is optical cabling better?
Can you tell me what components are safe?