Category: Cisco Networking

What is VLAN trunking protocol and why to use it? VLAN Trunking Protocol (VTP) is a Cisco proprietary protocol that propagates the definition of Virtual Local Area Networks (VLAN) between switching systems. VTP carries VLAN information to all the switches in a VTP domain and advertisements are sent over 802.1Q Read more…

What are vlans and why to use them? A virtual LAN (VLAN) is any broadcast domain that is partitioned and isolated in a computer network at the data link layer (OSI layer 2). VLANs work by applying tags to network packets and creating the appearance and functionality of network traffic Read more…