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Large Error Packets on the Interface Caused by the Inconsistency of Scrambling Configuration on the POS Interfaces at the Two Ends

Publication Date:  2012-07-27 Views:  88 Downloads:  0

Issue Description

On the diverting platform of the NE80E, traffic passes through the optical splitter and enters the NE80E from the interface POS 6/0/1.Large packets of CRC error exist on the POS 6/0/1. 

Alarm Information


Handling Process

1. Check the C2 bytes on POS interfaces at the two ends and find that the bytes are consistent.
2. Check the scrambling configuration on POS interfaces at the two ends and find that the scrambling configuration on the NE80E is the default scramble enabled, but the scrambling is not enabled on the peer devices. Delete the scrambling function, and the number of packets of CRC error is not increased on the interface POS 6/0/1. 

Root Cause

Parameters of POS interfaces at the two ends do not match. 


For the diverting platform, when there are no incoming traffic or large packets of CRC error in the incoming direction on the interface, check the configuration of the local and peer interfaces, and ensure that the configuration, especially that of the C2 byte and scrambling, must be consistent.