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  1. 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 …

  2. 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 …

  3. 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 …

  4. 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 …

  5. 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 …

  6. 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 …

  7. 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 …

  8. 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, …

  9. 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 …

  10. Today I have received Native VLAN mismatched error. What is the ...

    The native VLAN on a trunk link is the VLAN that will carry untagged traffic. However, the other VLANs that will be passing over that trunk link will be carried out with their VLAN ID tag. The …