Cisco Bug: CSCuj74167 - Gigabit link from WS-C2960X not coming up when GLC-SX-MM GLC-LH-SM used
Nov 27, 2020
- Cisco Catalyst 2960 Series Switches
Known Affected Releases
Symptom: Link between Catalyst 2960X switch and another Cisco device not coming up. While the interface status on C2960X shows up/up, remote-end device reports down/down. No CDP neighbor, or STP state reported on the remote-end devices. This issue is seen following devices at remote-end but not limited to: Nexus 5000 Catalyst 6500/6800 Catalyst 4500 with links connected to ports in 4306 or 4448-GB modules Conditions: All types of Catalyst 2960X are affected and this defect is applicable only if the switch use GLC-SX-MM or GLC-LH-SM SFPs for the links in issue.
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Bug Details Include
- Full Description (including symptoms, conditions and workarounds)
- Known Fixed Releases
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