Came across this issue on the switch stack of four Cisco 9200 switches. Non-Cisco IP phone received IP address and worked fine on the 1st switch in the stack. Local Intf: Gi1/0/1 Chassis id: 10.1.21.183 Port id: 0004.f2ad.xxxx Port Description: 1 System Name: Polycom SoundPoint IP 335 When the phone …
Tag: Catalyst 9k
Recently I was upgrading a stack of Catalyst 9300 switches and one switch ended up in rommon mode. Well, first of all, my stack was not healthy. The second switch had version mismatch so I thought upgrading them all together to a newer version will fix the issue. What happened …