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MSTP Troubleshooting an Unreachable NE Case2 Highlighted

Latest reply: Mar 27, 2021 13:46:49 726 8 2 0 0
The NMS Cannot reach any downstream device on a Chain Network
 
Issue1: Diagnoses revealed that the DCC was disabled on the NE.

 
Solution1: Enable the DCC port allows the NMS to manage the devices as normal.
 

 
 
Issue2: In a similar scenario,  two NEs on the network had conflicting IDs. As a result the NMS could not reach either of them.

Solution2: Once the ID is changed the NE can be manage by the NMS
 
Suggestion: Enable the DCN function for ports that transmit DCN information.
For outband DCN, enable the DCC function.
For inband DCN, enable the port DCN function and set the correct VLAN ID.
 
Case 1: Communication port fails to be found
Case 2: All NEs are unreachable
Case 3: An NE frequently becomes unreachable
Case 4: Some NEs are unreachable
From group: Transport&Access Network This post was last edited by V84083177 at 2018-07-18 14:55.

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