Fundamentals of creating VLANs - Part 1 - The concept
We are going to call the newly created 'Vlan 20' - 'Switch 2', as pictured above, for the purpose of this document Accordingly 'Vlan 20' is the same as 'Switch 2' So additional two switches are a …
IEEE 802.1Q – VLAN Tagging and Trunking in Networking
IEEE 802.1Q is the networking standard that defines VLAN (Virtual Local Area Network) tagging on Ethernet frames. VLANs allow network administrators to segment a physical network into …
Why and how are Ethernet Vlans tagged?
Jan 31, 2015 · I hear about VLAN tagging, but I don’t quite understand the concept. I know a trunk cannot accept untagged packets without configuring a native VLAN, and that access ports only …
A quick summarized view to Private VLAN (PVLAN)
Feb 13, 2020 · Introduction: This document is anticipated for understanding Private Virtual LAN (PVLAN) concept; how VLAN is sub-divided into isolated sub-domains and the communication …
What is the Native VLAN used for? - Cisco Learning Network
The native vlan configuration only allows a dot1q trunk to send frames from the native VLAN untagged across the trunk. Switchports still have to be associated with VLAN 99 before they …
The Unsung Hero of Networking: Unveiling the Native VLAN
Mar 24, 2025 · Switch (config-if)# switchport trunk native vlan <vlan-id> Replace <vlan-id> with the VLAN number you want as the Native VLAN. To check the setup, use: Switch# show …
VLAN Configuration - Cisco Learning Network
Switch (config-if)#switchport trunk allowed vlan all Switch#sh int trunk Port Mode Encapsulation Status Native vlan Fa0/1 on 802.1q trunking 1 Port Vlans allowed on trunk Fa0/1 1-1005 Port …
What are the differences between Native Vlan vs Default Vlan vs …
The default VLAN is always set to VLAN 1 and it is the VLAN that comes pre-configured on every switch (Cisco, HP, etc). The concept behind this is that the switch needs at least one VLAN to …
VRFs, VLANs and subnets: difference - Network Engineering Stack …
May 20, 2016 · I have a basic understanding of VRFs, VLANs and subnets. I understand that VLANs operate on L2, and subnets and VRFs (lite) on L3. What I don't understand, is why you …
Best Practices for Inter-VLAN Routing in CISCO
Best Practices for Inter-VLAN Routing in CISCO Virtual Local Area Network (VLAN) helps break a large network into smaller, manageable parts, improving security and efficiency. However, …