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CCIE Practical Studies: Security (CCIE Self-Study) by Raymond Morrow, Andrew G. Mason, Dmitry Bokotey

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VLAN Trunking Protocol Overview

VLAN Trunking Protocol (VTP) is a Layer 2 messaging protocol used to maintain VLAN configuration consistency across your network infrastructure. VTP manages the addition, deletion, and renaming of VLANs throughout the network from a centralized location. VTP introduces the concept of a server switch, which communicates these changes through the VTP to all the other switches in your network.

The VTP Domain

The VTP domain, or the VLAN management domain, is used to group one or more of your interconnected switches together using the same VTP domain name, much like routers can be grouped under a single autonomous system. Unlike a router, you can configure a switch to participate in only one VTP domain. Once the switches ...

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