Cisco Bug: CSCvs46644 - C9200L connected to each other not able not link up when using the same interface ID on both sides
Oct 28, 2020
- Cisco LAN Switch Software
- Cisco Catalyst 9300 Series Switches
Known Affected Releases
16.12.3 16.12.4 17.2.1 17.3.1 Amsterdam-17.2.1
Symptom: Link between C9200L switches is not coming up when using the same interface ID on both sides: i.e. C9200L -- Gi1/0/1 ------ Gi1/0/1 -- C9200L C9200L -- Gi1/0/5 ------ Gi1/0/5 -- C9200L C9200L -- Gi1/0/15 ------ Gi1/0/15 -- C9200L You'll see the following logs for the interfaces in use, i.e.: **In this case we were using Gi1/0/36 on both sides** *Jun 22 20:58:38.877: %ILPOWER-5-DETECT: Interface Gi1/0/36: Power Device detected: Cisco PD *Jun 22 20:58:39.686: %ILPOWER-5-IEEE_DISCONNECT: Interface Gi1/0/36: PD removed Conditions: Both switches running 16.12.3 / 16.12.3a. The link is using the same interface ID on both sides. Issue specific to C9200L switches.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.
Bug Details Include
- Full Description (including symptoms, conditions and workarounds)
- Known Fixed Releases
- Related Community Discussions
- Number of Related Support Cases