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2023/11/20 -This document describes the improved STP root guard features that enhances switched network reliability, manageability, and security.

2024/2/7 -Spanning tree root guard is a security feature that is configured at the port level, and works by ensuring enabled ports don't accept superior ...

Root Guard is a spanning tree feature that prevents another switch to become root bridge. This lesson explains the configuration.

spanning-tree root-guard. Syntax. spanning-tree root-guard. no spanning-tree root-guard. Description. Enables the root guard on the interface.

Rootguard protects against bpdus that are better than the current bpdus received from the root, because you want your root switch to be in a proper location in ...

Answer. The spanning-tree root-guard configuration sets ports to ignore superior BPDUs to prevent it from becoming root port. In the following example, switches ...

2020/2/11 -Root guard is enabled with the interface command spanning-tree guard root. Root guard is placed on designated ports toward other switches ...

The cisco spanning tree root guard feature enables bpdu's to come through a port, but if it detects a better bpdu then it will err-disable the port.

2023/7/15 -Spanning-tree root guard is used to protect the root bridge from another (typically misconfigured) switch's superior bpdu. The command is placed ...

Spanning Tree Protocol (STP) and Rapid Spanning Tree Protocol (RSTP) are switching mechanisms that prevent a LAN with redundant links to forward Ethernet ...