Spanning Tree Protocol (STP) | 587
Figure 33-8. Enabling BPDU Guard
BPDU Filtering
Global BPDU Filtering
When BPDU Filtering is enabled globally, it should stop transmitting BPDUs on the operational port fast
enabled ports by default. When it receives BPDUs, it automatically participates in the spanning tree. By
default global bpdu filtering is disabled.
FTOS Behavior: BPDU guard blocks BPDUs (refer to Removing an Interface from the Spanning Tree
Group).
• BPDU guard is used on edgeports and blocks all traffic on edgeport if it receives a BPDU.
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