I ran into this issue with 3800 AP when trying to join it to Mobility Express (ME) WLC over VPN. AP was one minor version off and was showing up on the ME but with an un-joint state. It also had this error message. AP having MAC Address [“***”] currently …
Category: Cisco
After IOS XE switch upgrade from 3.6.x to 16.9.x I lost port-channel configuration. While trying to apply it back on to the interface I got this error Command rejected: conflicts with IPv6 Snooping (FHS). This can be a potentially dangerous situation if the upgrade was done on the remote switch …
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 …
Error message “Profile Installation failed an SSL error has occurred and a secure connection to the server cannot be made.” Cisco bug id CSCvr44568 “BYOD TLS not working for Apple iOS 13”. It appears as a new version of iOS 13.x has a requirement that all certificates in the chain …
After upgrading a pair of Nexus-6k from 6.x code to 7.3(5)1 I’ve noticed a strange behavior where OSPF adjacency from Cisco ASA to Nexus was not forming over vPC peer link. All was working fine on 6.x code. Took a bit to figure it out and this article helped to …