IEEE 802.1Q, often referred to as Dot1q, is the networking standard that supports virtual local area networking (VLANs) on an IEEE 802.3 Ethernet network. The standard defines a system …

It explains how to configure trunks on Cisco Catalyst switches. This lesson explains what 802.1Q is and why we need it for trunk links between switches.

Apr 24, 2018 · Allows you to use a router interface as a trunk port to a switch. This is also known as “Router on a stick” because the switch uses the router to route between VLANs. Router …

802.1Q tunneling (aka Q-in-Q) is often used by Metro Ethernet providers as a layer 2 VPN for customers. 802.1Q (or dot1q) tunneling is pretty simple…the provider will put an 802.1Q tag …

Jan 31, 2025 · IEEE 802.1Q or dot1Q is a trunking protocol. It provides encapsulation on trunk ports. Trunk ports work with multiple VLANs. They use the trunking protocol to manage VLAN …

The difference between dot1Q and Q-in-Q is the number of tags and in some cases the Ethertype. I have mostly seen the Ethertype 0x8100 on both dot1Q tagged frames and double tagged …

Dec 13, 2017 · Today we review the main differences between both Layer2 protocols Dot1Q and Q-in-Q. Dot1Q (802.1Q) Trunking Protocol; 802.1Q inserts a 4-byte header, also called a tag …

802.1Q, also known as Dot1Q, is a standard for tagging frames on a network. It is used in VLANs to identify which VLAN a frame belongs to as it travels over a trunk link between switches. …

For smaller networks or those with basic segmentation, dot1Q is your reliable friend. But if you're throwing a multi-departmental VLAN bash, QinQ might be the VIP you need. Remember, the …

Aug 11, 2024 · We create Dot1Q Tunnel, from tenant level configuration > Networking > Dot1Q Tunnels and right click “Create Dot1Q-Tunnel”: