I have a Cisco 4510 switch that is not showing all the interface connections. Prior to upgrading NPM-12 I was viewing all my interface connections.
Hello,
Have you tried running 'list resources' to your Cisco 4510, make sure your NPM can still poll your device using SNMP.
Thanks... I ran the 'list resources' and it was successful. Now I have a 'license' issue.
Try to go to Settings>License Details, check if you have installed active license on your server. You can also check the following link that explains how to use License Manager: SolarWinds License Manager
If issue still persists, I suggest you create ticket to Technical Support from your Customer Portal.