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Cisco Bug: CSCvv49876 - BIDI SFBR-89BDDZ-CS3 Shows no TX power, no data is sent.

Last Modified

Oct 06, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases


Description (partial)

Customers using N9K-C93108TC-EX running 7.0(3)I7(7) In this first case. When they use BIDI that is SFBR-89BDDZ-CS3 connected to another SFBR-89BDDZ-CS3. However, when they use SFBR-89BDDZ-CS2 they don’t see the issue. The issue is that show no TX power along with the interface actually not sending data. If they shut/no shut the interface it triggers it back into working.

When using BIDI SFBR-89BDDZ-CS3 on both ends of the link
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