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FN-2019-439, SFP breakout subinterfaces may be incorrectly set to administratively down in NOS 7.4.0

  • 26 August 2019
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Extreme Networks has recently discovered some cases where a VDX6740, VDX6740T, or VDX6740T-1G with SFP breakout settings and a 10G SFP+ in a Mellanox QSFP slot adapter inserted into any of slots 49 to 52 may set the TenGigabitEthernet subinterface to administratively down after upgrade to NOS 7.4.0.

For more information and recommended mitigations, please review FN-2019-439.

If you have additional questions concerning this information, please contact your Extreme Networks representative.

Best Regards,
The Extreme Networks Services Team

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