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Cisco Bug: CSCvt70125 - C9300 to C9005H 1G link remains partially down on fake oir of 1G on 25G NM module

Last Modified

Sep 10, 2020

Products (1)

  • Cisco Catalyst 9300 Series Switches

Known Affected Releases


Description (partial)

Cat9300 switch with with 25G uplink module [C9300-NM-2Y] containing 1G optical transceiver [such as GLC-SX-MMD] may exhibit a symptom where after fake OIR [OIR via CLI] the link on Cat9300 side goes to up/up state but on the remote end the link will stay in down/down state

Cat9300 switch with C9300-NM-2Y uplink module populated with 1G optics
fake OIR via CLI is performed
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