Routers and firewalls are highly specialized pieces of equipment that you need to run and protect your corporate network. They can, however, also be used in a home setup, if necessary.
ContinueRouters and firewalls are highly specialized pieces of equipment that you need to run and protect your corporate network. They can, however, also be used in a home setup, if necessary.
ContinueSwitches or network switches are hubs that coordinate network traffic so that the data on the input gets to the correct output. It does this by analysing the headers to determine the position of the recipient. Switches work in layer 2 of the ISO/OSI model - in the node. It connects network elements or parts of the network, most often end devices, such as computers or printers, directly to the switch.
Routers also have the task of forwarding data to the destination, but unlike switches, they do not create networks but connect them. It is crucial to set up the router correctly for it to work well, which is usually done by the network administrator. Routers in this category are not home WiFi routers.
A firewall is a network traffic security element that stands between networks and determines communication rules. In corporate or home networks, firewalls are plugged into the network's input, protecting all devices connected to it.
Desktop - Desktop network elements such as switches, routers or firewalls are great for all applications. Their cabinet is adapted to be placed on a desktop, or the casing can have holes in it for hanging on a wall.
Rack - Rack-mounted switches, routers and firewalls are designed primarily for larger corporate networks because they fit into standardised switchboards. Therefore, their acquisition is worthwhile if you are serious about organising your network elements.
PoE (Power over Ethernet) - PoE makes it possible to simultaneously conduct data and power end devices with a single cable. Such power supplies usually support IP cameras, VoIP phones and WiFi Access Points. The switch plays the role of a power supply.
QoS (Quality of Service) - QoS is a technology that prevents switch congestion by distributing bandwidth among connected clients fairly. It considers the type of data being transferred and the priorities set.
Managed or Unmanaged Switches (smart switch, web manageable) - Managed switches give you complete control over the traffic on your network. Still, they need to be configured correctly by a skilled administrator.
Stackable - some network switches can be stacked. The stack then acts as a single switch with several ports that have all the sub-elements together.
VLAN (virtual local area network) - VLAN is a logically separated network that can be created on the switch. When a switch is split into several VLANs, each of them pretends to be a separate switch. This means that we can have multiple networks connected on one switch, but they are not connected to each other.
L2 - the link layer of the ISO/OSI reference model in which all switches operate.
L3- L3 routers work primarily in the network layer of the ISO/OSI model, but special L3 switches with routing functions can also do this.
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