I'm trying to add a SNMP Traffic Sensor to a Tellabs 8840 router port. It fails every time with error 2003: no response. I can successfully add a SNMP Uptime Sensor to this port and the PRTG SNMP Tester says everything is okay. I still have PRTG Traffic Grapher 220.127.116.114 installed on this same machine and the SNMP Traffic Sensor works fine on it.
Do you have any suggestions? Thanks, David