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New Member

Nexus 5548 Digital Diagnostic features on optics

Hi All,

  Have a Nexus 5548 (running 6.0.2.N1 OS) connected to a FEX 2248PQ via a QSFP+ to 4SFP+ breakout cable.  All is linked up and operating fine.  The 4 QSFP+ ports on the FEX switch don't seem to have an interface# associated to them.  Therefore, I can't seem to view the digital diagnostics on the QSFP+ optics.  I can view the diagnostics on all the other optics as those ports have interface#'s.

Anyone out there know how to view the diagnostics for the QSFP+ ports on the FEX switch?

Thanx.

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New Member

Nexus 5548 Digital Diagnostic features on optics

found the answer.  QSFP+ modules don't support DOM feature.

Hall of Fame Super Silver

Nexus 5548 Digital Diagnostic features on optics

Right. Among the 40 Gbps transceivers only the CFP types support DOM, i.e., none of the QSFPs.

This matrix shows all the DOM-capable transceivers.

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