It is recommended that you look at Nortel 8600 CPU utilization

While making changes in the network / Configuration

The problem is that the Graph scale allways changing and it hard to understand what is the Utilization

You can fix it in this way:

1. Click at JDM (Java Device Manager) – Graph -> Chassis

 

 

2. Click the CPU field
3. Click the graph button

4. Rigth click the graph

5. Click Axes -> Scale
6. Enter:
Axis Min: 1
Axis Max: 100
Origin: 1
7. Click Enter
Now you can understand the graph 🙂