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Questions tagged “s+da0001”

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RB4011 SFP+ port does not link with a passive S+DA0001 DAC: only active cables (S+AO0005) are supported

A MikroTik RB4011 connected with an S+DA0001 DAC to a CRS106-1C-5S and a CRS112-8G-IN (all default configuration apart from IP addresses) had no connectivity over the SFP link. The RB4011 SFP+ cage is documented to accept onyl active direct-attach cables, so a passive twinax between it and the two…

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CSS326-24G-2S+ and Intel 82599 NIC fail to link over an S+DA0001 DAC; switch-to-switch DAC only reaches 1G

With a CSS326-24G-2S+ (SwOS 2.6) and a server with an Intel 82599 card, two different S+DA0001 DACs and two Intel cards never linked; two CSS326 switches connected by DAC only achieved 1 Gbps. A later reader on SwOS 2.12 with an 82599 reported the same. No solution was posted. Hardware involved…