What is STP in router?

What is STP in router?

The Spanning Tree Protocol (STP) is a network protocol that builds a loop-free logical topology for Ethernet networks. The basic function of STP is to prevent bridge loops and the broadcast radiation that results from them.

Does STP work on routers?

STP does its work at layer 2 (data-link) of the OSI model. The need for STP occurs when your router is being used in a mesh network with multiple WDS-enabled repeaters, or in an ad hoc network with multiple ad hoc connections.

What is VLAN router alley?

Each VLAN represents a unique broadcast domain: • Traffic between devices within the same VLAN is switched. Thus, a switch that supports VLANs is not necessarily a Layer-3 switch. However, a purely Layer-2 switch cannot route between VLANs.

How do I configure MPLS?

The six basic steps in the configuration are as follows:

  1. Configure the loopback interface to be used as the LDP router ID.
  2. Enable CEF.
  3. Configure the label distribution protocol.
  4. Configure the TDP/LDP router ID (optional).
  5. Configure MPLS on core interfaces.
  6. Configure IS-IS or OSPF as the MPLS VPN backbone IGP.

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How does STP work in a switching network?

Switches running STP will build a map or topology of the entire switching network. STP will identify if there are any loops, and then disable or block as many ports as necessary to eliminate all loops in the topology. blocked port can be reactivated if another port goes down. This allows STP to maintain redundancy and fault-tolerance.

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Which is layer 2 protocol does STP support?

STP is a link management protocol designed to support redundant links that stops switching loops in the STP network. It is a Layer 2 protocol that runs on bridges and switches, which should be enabled on the switch interfaces. IEEE standardized STP protocols as IEE 802.1D.