Friday, 6 March 2020

network equipment provider


Enterprises recognize that all of the new technologies they want to deploy – IoT, edge computing, serverless, containers, hybrid cloud, and AI – require a robust, flexible, secure, self-healing, software-driven network.

And the industry has responded with fresh new approaches such as software-defined networking (SDN), SD-WAN, hyperconverged infrastructure (HCI) and intent-based networking.

Our list of the 10 most powerful companies in enterprise networking includes the traditional networking powerhouses, with an emphasis on the extent to which they've embraced these new approaches.

In addition, we're recognizing pure-play market leaders in areas such as wireless networking, HCI and SD-WAN.

With $35.3 billion in sales last year, Huawei’s carrier business group became the world’s largest vendor of telecom network infrastructure. Huawei’s equipment has been a major part of LTE rollouts in China, East Asia, Europe and many emerging markets.
network equipment provider

In the United States, Huawei is effectively locked out of the market for network equipment because of political concerns. Members of Congress have asked U.S. carriers to not install the Chinese company’s equipment in their networks. Huawei has said it is experiencing excellent growth even without U.S. carrier customers. Huawei is not prohibited from working with U.S. carriers in other countries, and its equipment is part of AT&T’s networks in Mexico, which AT&T acquired via its purchases of Iusacell and Nextel Mexico.

Huawei’s carrier business represented almost 60% of the company’s overall sales last year, with smartphones and other consumer devices making up 33% of the business, and enterprise sales 7%. The consumer business is growing the fastest, with sales up 73% last year. Enterprise sales were up 44% and carrier sales were up 21%.

Thursday, 5 March 2020

internet on switch

We all know that the Nintendo Switch and the Switch Lite are fantastic little pieces of hardware. However, there is a smattering of small complaints about these devices. One such gripe I have heard about more than a few times is that neither Switch offers any sort of built-in web browser. The good news is that you actually can use a web browser on your Switch, and you don't have to do anything as warranty breaking as hacking your gaming system. If you want to surf the net on your Switch or Switch Lite, here's how to do it.
internet on switch

It's important to note that, by accessing the web browser on a Nintendo Switch or Nintendo Switch Lite in this un-official way, you risk having your personal information tracked and stolen, as this is not a secure method of web browsing. Please don't use it without considering the risks.

You now have access to a browser right on your Switch. Once you are done using the browser, all you have to do is go back and set your network DNS from Manual back to Automatic. If you want help with changing back to Automatic, follow the steps below.

Select the appropriate network name (SSID) from the list.
If you are unable to find your network's name, stand closer to the wireless router and press the Y Button to search again.
If the network name is grayed out, this indicates the wireless security type being used is not supported by the Nintendo Switch.
If you are still unable to find your network, this may indicate an issue with the wireless network environment.
If prompted, use the onscreen keyboard to enter the network's wireless password

Wednesday, 4 March 2020

internet on switch

Essentially, switches are the traffic cops of a simple local area network.
Techopedia explains Switch
A switch in an Ethernet-based LAN reads incoming TCP/IP data packets/frames containing destination information as they pass into one or more input ports. The destination information in the packets is used to determine which output ports will be used to send the data on to its intended destination.

Switches are similar to hubs, only smarter. A hub simply connects all the nodes on the network -- communication is essentially in a haphazard manner with any device trying to communicate at any time, resulting in many collisions. A switch, on the other hand, creates an electronic tunnel between source and destination ports for a split second that no other traffic can enter. This results in communication without collisions.

Switches are similar to routers as well, but a router has the additional ability to forward packets between different networks, whereas a switch is limited to node-to-node communication on the same network.
 
Contributor(s): John Burke, Dominique Brazziel
A network switch is a hardware device that channels incoming data from multiple input ports to a specific output port that will take it toward its intended destination. It is a small device that transfers data packets between multiple network devices such as computers, routers, servers or other switches.

In a local area network (LAN) using Ethernet, a network switch determines where to send each incoming message frame by looking at the physical device address (also known as the Media Access Control address or MAC address). Switches maintain tables that match each MAC address to the port which the MAC address is received.
internet on switch

A network switch operates on the network layer, called layer 2 of the OSI model.

Network device layers
Network devices can be separated by the layer they operate on, defined by the OSI model. The OSI model conceptualizes networks separating protocols by layers. Control is typically passed from one layer to the next. Some layers include:

Layer 1- or the physical layer or below, which can transfer data but cannot manage the traffic coming through it. An example would be Ethernet hubs or cables.
Layer 2- or the data link layer, which uses hardware addresses to receive and forward data. A network switch is an example of what type of device is on layer 2.
Layer 3- or the network layer, which performs similar functions to a router and also supports multiple kinds of physical networks on different ports. Examples include routers or layer 3 switches.
Other layers include layer 4 (the transport layer), layer 5 (the session layer), layer 6 (the presentation layer) and layer 7 (the application layer).

Tuesday, 3 March 2020

network core switch


In a public WAN, a core switch interconnects edge switches that are positioned on the edges of related networks. In a local area network (LAN), this switch interconnects work group switches, which are relatively low-capacity switches that are usually positioned in geographic clusters.

As the name implies, a core switch is central to the network and needs to have significant capacity to handle the load sent to it. There isn't a precise definition as to how powerful this is, but clearly it is much bigger than an average desktop switch.
network core switch

Network switches are categorized into different types according to different principles, such as fixed switch and modular switch based if you can add expansion module to it, and managed switch, smart switch and unmanaged/dumb switch depending on whether you can configure it and the complexity of the configuration. Another way to classify the type of a network switch is by the role it plays in a local area network (LAN). In this case, one switch is considered to be an access switch, an aggregation/distribution switch or a core switch. In small networks we do not see core switch. So many people are having questions about what core switches are. Do you know what is core switch? Is there only one core switch in a network? What are the differences between core switch and aggregation/access switch?

If we spend some time looking up dictionaries for the meaning of core switch, we will find a definition similar to “A core switch is a high-capacity switch generally positioned within the backbone or physical core of a network. Core switches serve as the gateway to a wide area network (WAN) or the Internet—they provide the final aggregation point for the network and allow multiple aggregation modules to work together (An excerpt from Techpedia).” The definition explains its high-capacity feature, the physical location and its function of connecting multiple aggregation devices in network.

What Are the Differences Between Core Switch and Other Switches?
The biggest difference between core switch and other switches is that, core switch is required to always be fast, highly available and fault tolerant since it connects all the aggregation switches. Therefore, a core switch should be a fully-managed switch. But if it is a switch not used in the core layer, it can be a smart switch or an unmanaged switch.

Another difference is that, the core switch is not always needed in a LAN while we may often have the aggregation switch and the access switch. Because in small networks that have only a couple of servers and a few clients, there’s no actual demand for a core switch vs aggregation switch. In the scenario where we don’t need the core layer, we often call it a collapsed core or collapsed backbone since the core layer and the aggregation layer are combined.

The third difference is that there’s generally only one (or two for redundancy) core switch used in a small/midsize network, but the aggregation layer and the access layer might have multiple switches. The figure below shows where the core switch locates in a network.

Monday, 2 March 2020

gigabit managed switches


Switches allow different devices on a network to communicate. Routers allow different networks to communicate.

A router also connects networked computers to the Internet, so multiple users can share a connection. And a router acts as a dispatcher. It chooses the best route for information to travel, so that it's transmitted as efficiently as possible.

Not sure which networking device you need? Talk to a local Cisco reseller who understands your specific requirements. Your reseller can design, install, and help you maintain your network. You'll get a secure, reliable, affordable network backed by Cisco and customized to meet your needs today, giving you a clear path to tomorrow.

Switches can connect different network types (such as Ethernet and Fast Ethernet) or networks of the same type. Many switches today offer high-speed links, like Fast Ethernet, which can be used to link the switches together or to give added bandwidth to important servers that get a lot of traffic. A network composed of a number of switches linked together via these fast uplinks is called a “collapsed backbone” network.

Dedicating ports on switches to individual nodes is another way to speed access for critical computers. Servers and power users can take advantage of a full segment for one node, so some networks connect high traffic nodes to a dedicated switch port.

Full duplex is another method to increase bandwidth to dedicated workstations or servers. To use full duplex, both network interface cards used in the server or workstation and the switch must support full duplex operation. Full duplex doubles the potential bandwidth on that link.

A managed switch is a network switch that contains software and hardware to supercharge the way you run your network. Additional functionality like SNMP (Simple Network Management Protocol), VLANs (Virtual Local Area Network) and so on gives you more control and improve your network performance. This article gives you all the main points to understand the basics of managed switches and decide if it is worth investing in the managed switch for your network. Let’s dive into it.
We will be honest with you. Our opinion is that if your network is even slightly above basic, we strongly advise looking into managed switches. It will significantly improve the management and running of your network even for a home network. Although the best managed switches which we picked in our list will cost you double ($150 – $600) of the unmanaged switches, it is worth it.

Friday, 28 February 2020

managed switch

Because home routers usually come with three or four Ethernet ports built in, and because almost everything on a home network—laptops, phones, game consoles, streaming boxes, and smart-home accessories—uses Wi-Fi anyway, most people don’t need a network switch. But a switch is useful if your router doesn’t have enough Ethernet ports (like the Eero mesh router, which has only one port free after you've connected your modem), if you have a lot of wired devices in one place (such as in an entertainment center), if you’re trying to use wires to improve your speeds or cut down on wireless interference, or if you’re installing Ethernet ports in your home’s walls.

What is an unmanaged switch?
An unmanaged network switch is designed so that you can simply plug them in and they work, no configuration required. Unmanaged switches are typically for basic connectivity. You'll often see them used in home networks or wherever a few more ports are needed, such as at your desk, in a lab, or in a conference room.
A network switch is a hardware device that channels incoming data from multiple input ports to a specific output port that will take it toward its intended destination. It is a small device that transfers data packets between multiple network devices such as computers, routers, servers or other switches.

In a local area network (LAN) using Ethernet, a network switch determines where to send each incoming message frame by looking at the physical device address (also known as the Media Access Control address or MAC address). Switches maintain tables that match each MAC address to the port which the MAC address is received.

What is a managed switch?
Managed switches give you greater security and more features and flexibility, because you can configure them to custom-fit your network. With this greater control, you can better protect your network and improve the quality of service for those who access the network.

How does a network switch work as compared to a hub?
In the most basic networks, devices are connected with hubs. But there's a limit to the amount of bandwidth users can share on a hub-based network. The more devices are added to the network, the longer it takes data to reach its destination. A switch avoids these and other limitations of hub networks.
Network devices can be separated by the layer they operate on, defined by the OSI model. The OSI model conceptualizes networks separating protocols by layers. Control is typically passed from one layer to the next. Some layers include:
managed switch

Aggregation, or distribution switches: These switches are placed within an optional middle layer. Edge switches connect into these and they can send traffic from switch to switch or send it up to core switches.
Core switches: These network switches comprise the backbone of the network, connecting either aggregation or edge switches, connecting user or device edge networks to data center networks and, typically, connecting enterprise LANs to the routers that connect them to the internet.
If a frame is forwarded to a MAC address unknown to the switch infrastructure, it is flooded to all ports in the switching domain. Broadcast and multicast frames are also flooded. This is known as BUM flooding -- broadcast, unknown unicast, and multicast flooding. This capability makes a switch a Layer 2 or data-link layer device in the Open Systems Interconnection (OSI) communications model.

Thursday, 27 February 2020

benefits of managed switches



We can replace hardware while supporting critical features, such as Data VLANs, Voice VLAN and ACL. This helps us to ensure a top-quality service from start to finish.

Our managed services team use engineering excellence and next-generation technology to help your company grow and thrive in the digital world. EN team members are highly skilled and constantly update their certifications to stay current in the ever-changing IT field.Our managed switch services team will focus on the key points of your business, providing you with the resources you need to boost productivity.
Completely customize our service offerings to meet the needs of your business and overall level of productivity.
benefits of managed switches

Maintain complete control over your system while reducing downtime. Modernising your business has never been easier.

We’ll address key areas of your infrastructure, improving productivity while also encouraging growth.

We can use next-generation technology to increase your business operation through a managed switch solution for your LAN infrastructure.

24/7 uptime collaboration. Security is guaranteed with reporting services included, so you won’t have any problems.
Switch Services address the importance of LAN reliability while also growing your unified communication solutions. In this day and age, it’s vital that you are able to meet the complex demands of your business and this can all be done through a managed switch solution. We are able to provide you with key features as well, which can be completely tailored to your needs and requirements.
We provide a range of LAN management services that will allow you to thrive in this digital world.

Maintenance is crucial when dealing with digital networks, and that’s why we’ll perform regular maintenance to ensure maximum results.

Our NOC is ISO 9001 compliant and supports clients’ infrastructure and applications all the time, anywhere in the world. We manage your network to defend your IT infrastructure and protect your data while giving you high visibility into your network performance. EN NOC keeps a close eye every minute of every day, constantly shielding your business against unintended corruption and intentional breaches.

network equipment provider

Enterprises recognize that all of the new technologies they want to deploy – IoT, edge computing, serverless, containers, hybrid cloud, an...