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 …
Category: Cisco
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 …
Recently upgraded from ISE 2.3 to ISE version 2.4 patch 9 and ended up with evaluation licenses on secondary PAN. Not sure why production licenses did not make during the upgrade to secondary PAN but when the upgrade was completed successfully production licenses including device admin license were back. I …
Came across this task to set up a posture assessment for workstation domain membership check when connecting with Anyconnect (AC) VPN to Cisco ASA and enforce access based on compliance. ISE was already deployed for simple VPN authentication so, first of all, I had to make a decision on what …