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Routers & Firewalls

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.

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What is the Difference between Switches, Routers and Firewalls?

Switches

Switches 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

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.

Firewalls

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.

Types of Switches, Routers and Firewalls

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.

Functions of Switches, Routers and Firewalls

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.

Speed of Switches

  • Switching capacity - defines the switching capability of the network switch. This is de facto one of the parameters defining the switch's performance, but its relationship to performance also depends on the number of ports.
  • LAN port transfer rate - tells how much data can be transferred per second using the port. It is also essential to think about using the correct cable to achieve maximum speed.
  • Packet Capacity - Packet capacity is the amount of 64B packets that the switch can forward in one second.

Switches and Router Ports

  • RJ-45 - This is the standard Ethernet connector found in most switches, routers, firewalls and end devices, such as computers, IP cameras or VoIP phones.
  • SFP - SFP is a transceiver that connects through an electronic interface but uses optical fibres for transmission. Thanks to this, it can achieve very high speeds and is therefore particularly suitable for business applications.
  • 10/100Base-T - also referred to as Fast Ethernet. This is a standard port with an RJ-45 connector and achieves transfer speeds of 100 Mbps.
  • 10/100/1000Base-T - it is the successor of Fast Ethernet and is also called Gigabit Ethernet. Its maximum transfer rate is 1000Mbps.
  • Dual Personality - these ports have two connectors, one RJ-45 and one SFP. Both connectors cannot be used simultaneously. You can only use one connector at a time.
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153 Results
4.6 44×
TP-Link TL-R605, Omada SDN
Router - 1 × GLAN, 1 × GWAN, 3 × G LAN/WAN (optional), 128MB RAM, 16MB Flash storage, RJ-45 ports: 5 ×, switching capacity of 1Gb/s, VPN Pass-through
1,589,-
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In stock > 5 pcs
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Order Code: TpLNk21t14
4.9 21×
Ubiquiti Unifi Dream Machine Special Edition
Router - 9 × GLAN, 2 × GWAN, processor with a frequency of 1700 MHz, RJ-45 ports: 9 ×
12,790,-
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In stock > 5 pcs
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Order Code: Ubiq23_006
4.8 27×
Ubiquiti UniFi Dream Machine Pro
Router - 8 × GLAN, processor with a frequency of 1700 MHz, 4000MB RAM, RJ-45 ports: 9 ×
10,559,-
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In stock > 5 pcs
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Order Code: PW099b2
5.0
Ubiquiti UniFi Cloud Gateway Max
Cloud Controller Cloud gateway with router function, WAN 2.5Gb, 4x LAN 2.5Gb, integrated 512 GB NVMe SSD, VPN support, power supply via USB
7,189,-
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In stock > 5 pcs
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Order Code: Ubiq24087
5.0
Ubiquiti UniFi Dream Machine Pro Max
Router - 8 × GLAN, processor with a frequency of 2 MHz, 8000MB RAM, 128000MB Flash storage, RJ-45 ports: 9 ×, switching capacity of 5Gb/s
15,190,-
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Order Code: Ubiq24086
4.9 22×
Mikrotik RB5009UG+S+IN
Router - 9 × GLAN, processor with a frequency of 1400 MHz, 1000MB RAM, 1024MB Flash storage, RJ-45 ports: 8 ×
4,999,-
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In stock > 5 pcs
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Order Code: Mikro23_15
4.6 13×
Ubiquiti UniFi Gateway MAX
Router - 4 × GLAN, 1 × GWAN, 1 × G LAN/WAN (optional), processor with a frequency of 1500 MHz, 2000MB RAM, RJ-45 ports: 5 ×
5,490,-
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Order Code: Ubiq24047
4.9 15×
Mikrotik RB5009UPr+S+IN
Router - 9 × GLAN, processor with a frequency of 1400 MHz, 1000MB RAM, 1024MB Flash storage, RJ-45 ports: 8 ×
6,679,-
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In stock > 5 pcs
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Order Code: Mikro23_14
4.8 126×
MIKROTIK RBD52G-5HacD2HnD-TC
Router - 5 × GLAN, processor with a frequency of 716 MHz, 128MB RAM, 16MB Flash storage, RJ-45 ports: 5 ×
1,999,-
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In stock > 5 pcs
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Order Code: PW023v8
4.9 111×
Mikrotik RB750Gr3
Router -, processor with a frequency of 880 MHz, 256MB RAM, 16MB Flash storage, RJ-45 ports: 5 ×
1,449,-
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In stock > 5 pcs
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Order Code: PW023a22
5.0 10×
MikroTik L009UiGS-RM
Router -, processor with a frequency of 800 MHz, 512MB RAM, 128MB Flash storage, RJ-45 ports: 8 ×
2,399,-
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In stock > 5 pcs
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Order Code: Mikro23_56
4.9 15×
Mikrotik E50UG
Router -, processor with a frequency of 950 MHz, 512MB RAM, RJ-45 ports: 5 ×, 10/100/1000Base-T ports: 5 ×
1,458,-
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In stock > 5 pcs
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Order Code: Mikro25002
4.9
Mikrotik E60iUGS
Router -, processor with a frequency of 950 MHz, 512MB RAM, 128MB Flash storage, RJ-45 ports: 5 ×, 10/100/1000Base-T ports: 5 ×
1,429,-
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In stock > 5 pcs
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Order Code: Mikro25030
5.0 40×
MIKROTIK RB760iGS
Router -, processor with a frequency of 880 MHz, 256MB RAM, 16MB Flash storage, RJ-45 ports: 5 ×
1,886,-
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In stock > 5 pcs
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Order Code: PW023v25
4.9 16×
Mikrotik CRS326-24G-2S+RM
Router -, processor with a frequency of 800 MHz, 512MB RAM, 16MB Flash storage, RJ-45 ports: 24 ×, switching capacity of 88Gb/s
5,099,-
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In stock > 5 pcs
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Order Code: PW024p20
5.0 12×
TP-Link ER7212PC, Omada SDN
Router - 8 × GLAN, 1 × GWAN, 3 × G LAN/WAN (optional), processor with a frequency of 1200 MHz, 1MB RAM, 8MB Flash storage, RJ-45 ports: 10 ×, 10/100/1000Base-T ports: 10 ×, switching capacity of 1Gb/s
5,799,-
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In stock > 5 pcs
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Info
Order Code: TP23_047
4.8 11×
MIKROTIK RB4011iGS+RM
Router -, processor with a frequency of 1400 MHz, 1000MB RAM, 512MB Flash storage, RJ-45 ports: 10 ×
5,294,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PW023v21
4.4
Ubiquiti UXG-Lite
Router - 1 × GLAN, 1 × GWAN, processor with a frequency of 1000 MHz, RJ-45 ports: 2 ×
3,179,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: Ubiq24_002
4.9 43×
Microtik RB962UiGS-5HacT2HnT
Router -, processor with a frequency of 720 MHz, 128MB RAM, 16MB Flash storage, RJ-45 ports: 5 ×, 10/100/1000Base-T ports: 5 ×, switching capacity of 1Gb/s
3,059,-
Buy
In stock > 5 pcs
Order Code: PW023b3
4.8 24×
Mikrotik RB952Ui-5ac2nD-TC
Router -, processor with a frequency of 650 MHz, 64MB RAM, 16MB Flash storage, RJ-45 ports: 5 ×
1,376,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: PW024p7
5.0
Mikrotik CCR2004-16G-2S+
Router - 19 × GLAN, processor with a frequency of 1700 MHz, 4000MB RAM, 128MB Flash storage, RJ-45 ports: 1 ×
9,399,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: Mikro23_09
4.7
Mikrotik CCR2004-1G-12S+2XS
Router - 15 × GLAN, processor with a frequency of 1700 MHz, 4000MB RAM, 128MB Flash storage, RJ-45 ports: 1 ×
11,990,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: Mikro23_03
4.9 25×
Mikrotik RB750r2
Router -, processor with a frequency of 850 MHz, 64MB RAM, 16MB Flash storage, RJ-45 ports: 5 ×
1,070,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: PW023a1
4.6 23×
Ubiquiti EdgeRouter X SFP
Router -, 5 × G LAN/WAN (optional), processor with a frequency of 880 MHz, 256MB RAM, RJ-45 ports: 5 ×
1,999,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PW088h
 

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Routers & Firewalls

In the category Routers & Firewalls on Alza.cz, we currently have a total of 153 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app.
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