This post is as much a reference for myself as it is for others. I had a need today to start graphing E1/PRI channel usage on some Cisco AS5300’s. The current priority is a simple graphical representation of the actual usage:
Hopefully at some point over the next couple of weeks I may expand this to other more interesting information such as average call duration, etc that can be useful to diagnosing issues almost as they happen.
The CISCO-POP-MGMT-MIB provides the MIBs for this information and the ones I specifically used (for my AS5300 which are all identical with 4 E1/PRI ports) are cpmDS1ActiveDS0s.0.x (or .184.108.40.206.220.127.116.11.18.104.22.168.1.3.0.x). Replace x with the appropriate port number (0-3) as required.
Explore the available information yourself with:
$ snmpwalk -Os -c <community> <host> .22.214.171.124.126.96.36.199.19