Sunday, May 21, 2017

Why is the Link Status on N2000 NMS Displayed as Normal When the Status of the GE Port of the MA5600 Device is Offline?

Issue Description
Q: 
Why is the link status on N2000 NMS displayed as normal when the status of the GE port of the MA5600 device is offline?
Alarm Information
Null
Handling Process
A:
The query result from the Ethernet port window of the NMS complies with the result displayed on the host. Operation status indicates whether the port is activated; the green icon means the port has been activated; Online status shows whether the physical connection of the port to the external device is normal or not. The display on the NMS interface is consistent with the host. The engineer in charge of the host confirms that the normal connection of the port to the external device is not necessary for the port activation.
The color setting policy for the connection lines between the MA5300 devices is applicable to the connection lines between Huawei MA5600 devices in the NMS. If the port is activated, the connection line is green; if the port is not activated, the connection line is gray. Therefore, even though the physical connection is disconnected, the connection line is still green on the NMS. Thus the problem occurs.
We have two solutions to the above-mentioned problem:
1. Make corresponding modifications on the NMS side. Thus the color for the connection between the NMS devices depends on the connection status of the host.
2. .Modifications of the host Huawei MA5600 is the same as the modification of the network card and Huawei DSLAM MA5300. The port can be activated only when the network line is correctly connected to it.
After discussion, the engineers determine that the problem can be resolved by making corresponding modifications on the NMS side. Thus the color for the connection between the NMS devices depends on the connection status of the host. The problem can be resolved by the patch V200R006B02D030SP10.
Root Cause
Null
Suggestions
Null

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