Internet and Businesses

Benefits of Voice VLAN Explained in Our Daily Life

To prioritize voice streams, they must first be identified. The Voice VLAN can identify the voice data stream in two ways: one is by determining the source MAC address of the received packet (MAC address-based mode), and the other is by identify.

In the MAC address-based mode, the best Business VoIP network  switch can determine whether the data stream is a voice data stream. according to the source MAC address field in the data packet arriving at its interface. As shown in the following figure, after the switch receives the data packet sent by the PC and the IP phone, it performs the following processing:

if the source MAC address matches the OUI (organization unique identifier) ​​configured on the switch, the VLAN voice tag is added to the packet And increased the priority of the packet. If the source MAC address does not match the OUI, the VLAN PVID tag will be added to the packet and the packet will not be sent first.

In Ethernet VLAN mode, the switch determines whether a data packet is a voice data packet based on the VLAN ID of the data packet entering the interface. As shown in the figure below, the IP phone first sends a data packet to the network switch. The switch then adds the voice VLAN information to the appropriate s fields, receives the data packet, and sends it back. After receiving the information, the IP phone sends the tagged voice message again.

If the tag matches the configured on the switch, the switch forwards the packet priority. Thus, when network congestion occurs, the switch can provide priority voice messaging.

What are the benefits of voice VLAN?

There are three main benefits.

First, it ensures that your VoIP (Voice over Internet Phone) devices do not have to directly interact with all broadcasts and other traffic from the data VLAN. It can be used to guarantee QoS on IP networks when multiple VLANs are configured and trunked on 802.1Q uplinks on the network switch.

Second, the voice VLAN can simplify network setup in some cases. It is much easier to mark packets for QoS than to specify different TCP and UDP port ranges. Similarly, TFTP and dedicated DHCP services for VoIP phones are easier to set up when all VoIP phones are on the same subnet.

Third, the voice VLAN can be used to prioritize different voice services because it supports 802.1p class of service (CoS) priority or DSCP (Differentiated Services Code Point) priority.

Frequently asked questions about voice VLAN

How to configure voice VLAN?

According to the voice VLAN principles above, there are two voice VLAN configuration modes.

In MAC address mode, there are three main steps to configure voice VLAN:

  1. Create a VLAN on the switch and add interfaces to the VLAN to implement Layer 2 communication.
  2. Configure the OUI to match the source MAC address of the received packet.
  3. Configure the voice VLAN feature on the interface.

In MAC based mode, there are two main steps to configure

  1. Create a VLAN on the switch and add interfaces to the VLAN to implement Layer 2 interoperability.
  2. Configure VLAN as  and use  based on VLAN.

For more information, refer to configuration on FS S3900 series switches.

What are the applicablescenarios?

are commonly used in IP telephony scenarios such as large enterprises and the financial industry. In these locations, offices are widespread and employees are scattered, increasing the need for IP phones to support frequent multi-party communications. When there is no need to connect a PC for data transfer, Voice VLAN is usually used in conference rooms.

Network switch supporting voice VLAN

Not all network switches support voice VLAN technology. Generally, PoE switches support  and can power IP phones like FS S1150-8T2F , S3260-8T2FP , S1400-24T4F etc. Other switches can support voice VLAN but cannot connect IP phones to them such as FS S3900/S5800/S5850 series switches.

The best things to do with a VPN

VPNs (VPNs) are amazingly flexible tools that can be used in a ton of amazing ways. They are probably best known as a way to protect your privacy when browsing the web, but that’s just the tip of the iceberg.

From limiting bandwidth and getting great deals on prices to streaming content from almost any country in the world, read on to learn about the unexpected benefits you could get from your VPN.

  • 10 most interesting uses of a VPN
  • Conceal your location
  • Avoid targeted bandwidth restriction
  • Access your home network from abroad
  • Avoid targeting prices by location
  • Save money on airline tickets, hotels and car rentals
  • Watch live sports online
  • Access to geographically excluded content
  • Avoid trackers and stay anonymous online
  • Avoid censorship
  • Make public WiFi more secure

What can you do with a VPN?

Without further ado, let’s look at some of the awesome things you can do with a VPN.

Hiding your location is one of the most basic functions of a VPN and as you will see, it is the key to many other nice things you can do with a VPN.

When you sign up for a VPN provider and download its application, you will probably see that you can choose from an extensive list of servers located in different countries.

When you select one, your internet connection will be routed through that country in a matter of seconds.

This not only connects you to the Internet access of this country or site, but also makes it clear to any other website or Internet user that your device is naturally located on that site.

This has a ton of interesting applications, to which I will refer further in this list.

Avoid restricting targeted bandwidth

Sometimes, your ISP will intentionally slow down Internet traffic to certain sites.

This is called bandwidth strangulation, and is used as a method to ensure that resources are shared fairly among all users. Despite his good intentions, however, it can be very embarrassing to know that the internet is being deliberately slowed down.

The good news is that a VPN can help you overcome this annoying problem. How;

By creating an encrypted tunnel to drive your web traffic, VPNs protect your web activity from prying eyes – and that includes your ISP.

Because bandwidth is usually targeted to specific sites (and a VPN prevents your ISP from seeing which sites you have access to), your ISP will not be able to target you for bandwidth.

This is one of the few cases where a VPN can really make the internet faster while keeping your internet business safe and secure.

Access your home, work, or university network from anywhere

With so much important information stored on our home computers, many people choose to set up a remote access tool that they can use to access their files and documents from anywhere.

However, if your connection is not secure when you access your files remotely, then your information could easily be intercepted or stolen.

To mitigate this threat, use a VPN whenever you have remote access to your home computer. It will encrypt your connection, keeping your information secure as it travels between your home computer and your remote device.

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