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FAQ-Will Master&Slave SRU Switchover of the NE40E Lead to Packet Loss

Publication Date:  2012-07-27 Views:  96 Downloads:  0

Issue Description

Will master/slave SRU switchover of the NE40E lead to packet loss? 


Alarm Information


Handling Process

The SRU of the present NE40E integrates the SFU and the clock board. During the master/slave SRU switchover, both the SFU and the clock board are reset. The SFUs of the NE40E implement load balancing. If packets pass the reset SFU, these packets are lost. Because the clock board is also reset, the clock needs to be synchronized afresh when data is forwarded. As a result, packet loss occurs during the synchronization. In addition, in the case of no GR configured, the master/slave SRU switchover leads to the re-establishment of routing protocol neighbors and relearning of routes. This process also causes packet loss. 


Root Cause