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Cisco Bug: CSCvs31462 - C690-10G - one of the interface goes down upon reboot/upgrade with Nexus 56128P switch

Last Modified

May 25, 2020

Products (1)

  • Cisco Email Security Appliance

Known Affected Releases

12.5.1-031 12.5.1-037 13.0.0-392

Description (partial)

Symptom:
One or both fiber NICs may fail to initialize properly and report "no carrier", after a fresh reboot.
subsequent reboots may yield both networks fiber interfaces to working order.

Ethernet-->media --> will show "(Autoselect: <link is down>))"

Conditions:
When ESA (C690F) is connected to certain switch with 10G SFPs, one of the interface goes down upon reboot/upgrade. The issue is seen with following connection setup in Customer scenario and local lab as well:
ESA Fibre Data port <-> Cisco Nexus 56128P     NXOS:7.1(4)N1(1)

Note that, the SFPs connected in this situation may be different makes at on the switch end.

The customer has SFPs of ESA connected to a Cisco Nexus 56128P     NxOS: 7.3(5)N1, 7.3(2)N1(1), others have been reported.

N5K-C56128P-1# show interface transceiver | include name
    name is CISCO-ACCELINK
    name is CISCO-EXCELIGHT
    name is CISCO-AVAGO
    name is CISCO-JDSU
    name is CISCO-FINISAR
    name is CISCO-SUMITOMO
    name is CISCO-OPLINK
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