NE40E with V300R002C06B511 installed with two CR52-24xGE-TX cards on slot 7 and slot 8. This router is configure with observation port on slot 7 and need to observe the traffic for incoming and outgoing traffic in slot 7 and slot 8. The problem was outgoing traffic in slot 8 could not be observed through observation port in slot 7 but slot 8 traffic could be observed.
1) Check whether any traffic flow from slot 8.
2) Check configuration file.
3) Consult R&D and find out that there is a hardware limitation. They suggested to upgrade the version to V300R300 where it support multiple observation port in different slot to solve this problem.
4) Upgrade NE40E to V300R300 and configure observation port in each slot and map the mirror port to the respective slot and all the port can be observed.
1) Wrong configuration