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What is VLAN 911?

Published in Networking Protocols 2 mins read

VLAN 911 is a specific Virtual Local Area Network identifier used by CityFibre, particularly in conjunction with new style TP-Link routers released from 2024 onwards. This VLAN ID is essential for configuring your router to connect to CityFibre's network.

Understanding VLANs

Before delving into VLAN 911, let's briefly explain what a VLAN is.

  • A VLAN (Virtual Local Area Network) logically separates devices within a network without requiring physical rewiring. Think of it as creating multiple broadcast domains within a single physical network.
  • VLANs enhance security, improve network management, and reduce broadcast traffic.
  • Each VLAN is identified by a VLAN ID, a number between 1 and 4094.

VLAN 911 in the Context of CityFibre

CityFibre utilizes VLANs to segregate different types of network traffic. Specifically, VLAN 911 appears to be associated with establishing a data connection on their network when using newer TP-Link routers. If you have a TP-Link router released in 2024 or later and you're a CityFibre customer, you may need to configure your router to use VLAN ID 911 to get online.

Configuration Example

While the exact configuration steps vary depending on the router model, the general process involves accessing your router's settings (usually via a web browser) and looking for VLAN configuration options. You would then enter "911" as the VLAN ID for the internet/WAN connection.

Here’s a generalized overview of how it might look:

  1. Access Router Settings: Open a web browser and enter your router's IP address (often 192.168.1.1 or 192.168.0.1).
  2. Login: Enter your router's username and password.
  3. Navigate to WAN/Internet Settings: Look for sections like "Network," "WAN," or "Internet."
  4. VLAN Configuration: Find the VLAN settings. This might be under "Advanced Settings" or "IPTV."
  5. Enter VLAN ID: Input "911" as the VLAN ID for your internet connection.
  6. Save Changes: Save your configuration.

It is important to consult the CityFibre documentation and your router's manual for the most accurate and up-to-date instructions for your specific setup.

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