Cisco STP Spanning Tree configuration

STP: Spanning tree Protocol, in order to prevent broadcast storms in a ring-switched network, logically disconnect a backup line, and when there is a problem with a line, the blocked port will automatically open and continue to work.

Root bridge: In a switched network there must be a root bridge, which controls the stability of the entire LAN, security, it is very important.

pvst+: A VLAN-enabled STP switching protocol for VLAN load balancing.

Ring networks, and STP:

When each line in the ring network is available, a network cable is logically broken

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When there is a problem with a physical line, its logical port is automatically opened to maintain network connectivity

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pvst+ configuration:

1. Configuring the master Switch

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2. Configuring the slave Switch

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3. pvst+ of query configuration

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Cisco STP Spanning Tree configuration