Spanning Tree Protocol

In this section:

1. STP overview
2. Standard STP Parameter Configuration
3. STP Feature Configuration
4. PVST/PVST+ Compatibility
5. PVRST Compatibility
6. BPDU Guard
7. Root Guard
8. Designated Protection
   Designated Protection ensures that a port cannot go to the designated forwarding state in STP 802.1d or RSTP 802.1w.
9. Packet InError Detection
10. Error Disable Recovery
11. 802.1s Multiple Spanning Tree Protocol
12. xSTP Syslog for BPDU Threshold
    The xSTP syslog messages for BPDUs are created when CPU utilization is more than the ISSU threshold value and also, when the system receives more than a certain amount of xSTP BPDUs.