Cisco Bug: CSCvs15528 - AP1562 PoE negotiation failed with CDP
Jun 19, 2020
- Cisco Aironet 1850 Series Access Points
Known Affected Releases
Symptom: PoE negotiation failed with CDP after a period of time from bootup, and this causes both radios down. Nov 19 14:42:03 brain: CDP PoE negotiation START Nov 19 14:43:04 brain: CDP PoE negotiation FAILED !! If PoE switch supports both CDP and DDLP, AP starts PoE negotiation with LLDP and radios come back up. However, using LLDP is not a possible workaround. After a period of time, PoE negotiation also failed with LLDP and both radios goes down. Nov 19 14:43:04 brain: LLDP PoE negotiation START Nov 19 14:43:36 brain: LLDP PoE negotiation FAILED !! Conditions: This problem is observed when AP1562 is powered by PoE.
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Bug Details Include
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