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Cisco Bug: CSCtb78851 - X4648-RJ45V-E : linking timer expires on 3rd-party device after reboot

Last Modified

Nov 02, 2018

Products (1)

  • Cisco Catalyst 4000 Series Switches

Known Affected Releases


Description (partial)

When a third-party device is rebooted, the link doesn't come up.

An error message may show up on the device :
Timed out waiting for Autonegotation to complete
Check cable and try again
Link Down

The third-party device is connected to a WS-X4648-RJ45V+/-E or WS-X4748-RJ45V+/-E or WS-X4748-UPOE+E and PoE is enabled.
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  • Full Description (including symptoms, conditions and workarounds)
  • Status
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