Does network flapping occur when new data VLANs are added to an RRPP ring comprised of S series switches

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Network flapping does not occur when new data VLANs are added to an S series switch (except S1700) in an RRPP ring. However, updates of MAC address entries and ARP entries may cause loss of few packets.

Other related questions:
How many devices at most can be deployed in an RRPP ring when RRPP is deployed on an S series switch
For S series switches, primary and secondary ports of the master node send Health packets. If the secondary port periodically receives Health packets, the master node considers the RRPP ring in Complete state and blocks the secondary port to eliminate loops. Health packets are forwarded through the chip, whose forwarding speed is high. Theoretically, an RRPP ring supports unlimited devices. However, when many devices are configured in an RRPP ring, it takes a long time to rectify any link or node fault. It is recommended that a maximum of 16 devices be configured in an RRPP ring.

Computing data distribution when adding a new node to OceanStor 9000
Computing data distribution when adding a new node to OceanStor 9000: Data slices of OceanStor 9000 are achieved using Erasure Code. For details, see: - Information about data protection in OceanStor 9000 V100R001C01 Administrator Guide 11 - OceanStor 9000 V100R001 Erasure Code Multimedia 03

Can data packets be blocked in the control VLAN of RRPP
Data packets are not blocked in the control VLAN though the control VLAN is configured in the instance.

S series switch RRPP configuration methods
For details on how to configure RRPP on S series switches (except S1700), click S1720&S2700&S3700&S5700&S6700&S7700&S9700 Typical Configuration Examples . The configurations on S9300 are the same with those on other models.

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