What Does Bpdu Guard Do
Bpdu Guard Feature Protects the Port from Receiving Stp Bpdus, However the Port Can Transmit Stp Bpdus. When a Stp Bpdu Is Received on a Bpdu Guard Enabled...
BPDU Guard feature protects the port from receiving STP BPDUs, however the port can transmit STP BPDUs. When a STP BPDU is received on a BPDU Guard enabled port, the port is shutdown and the state of the port changes to ErrDis (Error-Disable) state.
What is BPDU guard used for?
BPDU Guard feature is used to protect the Layer 2 Spanning Tree Protocol (STP) Topology from BPDU related attacks. BPDU Guard feature must be enabled on a port that should never receive a BPDU from its connected device.
Why does BPDU Guard provide security?
The BPDU Guard feature is designed to keep the active topology predictable and to enhance switch network reliability by enforcing the STP domain borders. … The BPDU Guard feature provides a secure response to invalid configurations because you must manually put the interface back in service.
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