Tech Insights

VLAN Trunking Protocol (VTP)

Last updated May 18, 2025, generated by Sumble

What is VLAN Trunking Protocol (VTP)?

VLAN Trunking Protocol (VTP) is a Cisco proprietary Layer 2 messaging protocol that manages VLAN configuration consistency across a network. It allows a network administrator to configure VLAN information on one switch, which then propagates that information to other switches in the VTP domain. This simplifies VLAN management and reduces the risk of configuration inconsistencies that can lead to network connectivity issues. VTP operates in different modes, including server, client, and transparent, each with specific roles in VLAN configuration propagation.

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What other technologies are related to VLAN Trunking Protocol (VTP)?

VLAN Trunking Protocol (VTP) Competitor Technologies

VXLAN

VXLAN is a network virtualization technology that provides similar benefits to VTP, such as simplified VLAN management and scalability, but in a different way that is more suitable for modern, virtualized data centers. VXLAN creates a virtual network overlay on top of the existing physical network, allowing for greater flexibility and scalability compared to traditional VLANs managed by VTP.

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