Loop prevention and breaking on S series switch

For S series switches except S1700 switches, use any of the following methods to remove loops:
1. Configure features such as STP, RSTP, MSTP, VBST,RRPP, and SEP to prevent loops.
2. Bundle dual physical links into a single logical link to prevent loops while implementing redundancy and increasing bandwidth.
3. Configure the switch to transparently transmit packets of different VLANs along different paths.
4. Enable loop detection and loopback detection to detect loops on the switch or downstream network connected to the switch, and configure the switch to take the preconfigured action to remove loops. Fixed switches only support loopback detection.

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