What Is An Wireless Bridge
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You can find wireless access point products that offer a “bridge” mode or a “repeater” mode. In this post, I am going to explain three popular open-source alternatives that can be used to configure What Is An Wireless Bridge.
What is a Wi-Fi Bridge?
A wireless bridge is sometimes called a wireless Ethernet bridge because the bridges replace Ethernet cabling. There are some basic things to understand about bridges. The Wi-Fi Bridge is a dedicated device.
A bridge is installed in a certain configuration. Let’s say this is a point-to-point setup. Both bridges are usually outdoors, but there is no rule restricting the use of bridges between indoor and outdoor spaces.
A bridge is specifically designed to span greater distances and carry more data through the air than the typical use case for mesh technology. Stream up to 12km wirelessly. and handles data up to 500 Mbps. A Wi-Fi bridge isn’t in front of people: physically, a bridge can look like an AP.
In addition, it is an RF device like an AP. However, Bridge can’t talk to a Wi-Fi clients. The Bridge is a special-purpose device that is less efficient for people but does very well in its mission of transporting data wirelessly. A bridge can be segmented to support multiple networks.
You can use VLANs to isolate and protect traffic over a Wi-Fi bridge. Significantly, the Ruckus P300 is a very versatile bridge. You can also use it for point-to-multipoint bridges. Or by implementing a multimedia access point.
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Types of wireless bridges
Hardware that supports wireless network bridging includes:
This bridge connects two Wi-Fi networks, often to increase the coverage area of the Wi-Fi access point. Some wireless AP hardware supports bridging over Ethernet and in Wi-Fi mode.
Bluetooth to Wi-Fi Bridge
This bridge connects devices that communicate with consumer Bluetooth devices and interfaces with Wi-Fi home networks.
Wi-Fi to Ethernet Bridge
This hardware allows Wi-Fi clients to connect to Ethernet networks. The hardware integrates with Wi-Fi wireless access points and is useful for older computers or devices that do not have Wi-Fi capability.
How are wireless bridges useful?
The most common answer is that you need a physical link, which controls a VPN connection, and a wired link isn’t even possible. For example, in some areas of New York, high-performance leased lines can be prohibitively expensive. In other locations, leased lines may simply not be available.
Implementing and maintaining your own long-distance wired infrastructure is also expensive and sometimes impossible for technical reasons. It may also require multiple approvals from public authorities. Bottom Line: Sometimes a wireless bridge is the only possible option.
In other cases, a wireless bridge may be a better choice for technical, performance, or security reasons, legal or price restrictions, business purposes, or maintenance restrictions.
Wireless bridge speed
Available speeds are now up to 20Gbps for anyone looking for a wireless bridge. To achieve this, you must combine 2 10 Gbps links to get 20 Gbps full-duplex. Full duplex means the same speed in both directions.
The speed achieved does not always coincide with what is indicated in the box or marketing material, since many factors can affect the results obtained. We have talked about RF line of sight, for example, a 300 Mbps link can only reach 14 Mbps if the line of sight is violated too much or too many channels interfere.
Sometimes a building across the street can be your friend, as you can bounce signs off the building. This means that the receiver will receive multiple data streams and combine them to provide a single usable link. Buildings on interchange routes do better than trees, but it’s important to note that higher capacity requirements will always require a more rigorous approach.
Wireless bridges are often used with external access points to connect two buildings. In Figure 1, the network is located in Building 1. Instead of running a single cable between two buildings, which is more expensive, two external access points are configured for the wireless mesh. The access point outside Building 2 is connected to the network in Building 1, so the access point in both buildings is a dual-radio network portal. For details on Mesh Portals and Mesh Access Points.
How does the wireless bridge installation work?
RF wireless bridges are generally installed outdoors, on top of buildings, and/or on metal poles or masts. They have a directional antenna and require electrical power to function. For low power, short-range links can be supplied over PoE, but require a dedicated power supply. Each endpoint of the bridge is connected to its respective network through a wired connection.
FSO laser wireless bridges are quite similar but use an optical transmitter and receiver instead of an antenna. They are also mounted on masts on top of buildings and most of them look like cameras mounted on tripods.
Determining what, where, and how equipment can be installed is the hardest part of installing LOS bridges. The installation process itself is fairly straightforward and typically takes a few hours, depending on the distance and environment. For long-distance NLOS communications, the process is a bit more elaborate: it requires a basic initial design effort and a license, and the installation is of course complicated by the fact that it must be spaced several kilometers apart. Required to be performed at the endpoints Distance. It’s possible.
Both RF and FSO links require regular and careful maintenance. This is especially important for equipment operating in the licensed area of the spectrum, where compliance requirements are very strict.
Wireless Client Bridge Configuration
Wired client devices connected to a client bridge have individual IPv4 addresses that can be statically configured or dynamically assigned by the DHCP server. The Aruba 501 Wireless Client Bridge replaces a client’s MAC address in DHCP requests sent from its wired client device.
The DHCP server assigns different IP addresses to these requests. Customer Bridge will send offers to the actual customer devices. The source MAC address of the client device will be converted to the MAC address of the wireless client bridge. Therefore, from the AP’s point of view, a MAC will have multiple IP addresses.
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The following procedure configures a wireless client bridge:
- Navigate to Settings > Network page.
- Under Network, select the WLAN network for which you want to configure the Wireless Client Bridge.
- Click Show advanced options at the bottom of the window.
- In the Miscellaneous group, enter the maximum number of IPv4 users in the Maximum text box. Of IPv4 users. The default number of IPv4 users is 2 and the maximum limit is 32 users.
- Click Next and then Finish.
- Determine which frequency (2.4 GHz or 5 GHz) to use to bypass the router.
- Only one frequency can be used for wireless bridging.
- Only the unused frequency can be transmitted for the wireless bridge to connect to other clients.
- When a Wi-Fi router becomes a wireless bridge, you cannot access the router remotely using the app. You will need to be connected locally to access the router.
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