{"id":3623,"date":"2023-01-14T10:21:36","date_gmt":"2023-01-14T10:21:36","guid":{"rendered":"https:\/\/www.fibermall.com\/blog\/?p=3623"},"modified":"2024-06-12T09:57:41","modified_gmt":"2024-06-12T09:57:41","slug":"6-key-points-for-switches-selection","status":"publish","type":"post","link":"https:\/\/www.fibermall.com\/blog\/6-key-points-for-switches-selection.htm","title":{"rendered":"6 Key Points for Switches Selection"},"content":{"rendered":"<p>The six key points of switches selection are:<\/p>\n<ul>\n<li>Standard(fixed\u00a0switch\/modular\u00a0switch)<\/li>\n<li>Functions (Layer 2 Switch\/Layer 3 Switch)<\/li>\n<li>Number of ports<\/li>\n<li>Port bandwidth<\/li>\n<li>Switching capacity<\/li>\n<li>Packet forwarding rate<\/li>\n<\/ul>\n<p><span style=\"font-size: 14pt;\"><strong><b>Switch Standard <\/b><\/strong><\/span><\/p>\n<p>The current switch is mainly divided into fixed switches and modular switches.<\/p>\n<p><strong><b>Fixed<\/b><\/strong><strong><b>\u00a0switch<\/b><\/strong><\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-3624\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/fixed-switch.png\" alt=\"fixed switch\" width=\"800\" height=\"340\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/fixed-switch.png 546w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/fixed-switch-300x127.png 300w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<ol>\n<li>With fixed switches, ports, interfaces, power supplies, and cooling fans are set and cannot be changed, added, or altered. Therefore, fixed switches do not have scalability.<\/li>\n<li>In order to improve scalability, fixed switches can support stacking technology, which allows multiple box switches to logically form a single switch.<img decoding=\"async\" class=\"aligncenter wp-image-3625\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/scalability.png\" alt=\"scalability\" width=\"800\" height=\"279\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/scalability.png 510w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/scalability-300x105.png 300w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/li>\n<li>Normally, fixed switches are applied in the access or aggregation layer of a network.<\/li>\n<\/ol>\n<p><strong><b>Modular switch<\/b><\/strong><\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-3626\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/modular-switch.png\" alt=\"modular switch\" width=\"600\" height=\"470\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/modular-switch.png 491w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/modular-switch-300x235.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>modular switches can be independently configured based on subracks, interface board cards, switchboard cards, and power modules. modular switches generally scale based on the number of slots.<\/p>\n<p>modular switches are typically used at the core of a network.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3627\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/modular-switches-are-typically-used-at-the-core-of-a-network..png\" alt=\"modular switches are typically used at the core of a network.\" width=\"600\" height=\"704\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/modular-switches-are-typically-used-at-the-core-of-a-network..png 434w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/modular-switches-are-typically-used-at-the-core-of-a-network.-256x300.png 256w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><span style=\"font-size: 14pt;\"><strong><b>Functions<\/b><\/strong><\/span><\/p>\n<p><strong><b>Classified according to the working protocol layer<\/b><\/strong><\/p>\n<p>Switches can be divided into Layer 2 switches and Layer 3 switches.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3628\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/working-protocol-layer.png\" alt=\"working protocol layer\" width=\"800\" height=\"255\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/working-protocol-layer.png 496w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/working-protocol-layer-300x96.png 300w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong><b>The difference between layer 2 and layer 3 switch<\/b><\/strong><\/p>\n<p>Layer 2 switch:<\/p>\n<p>Switches work on the second data link layer of the OSI reference model, and their main functions include physical addressing, error checking, frame sequencing, and flow control. (As shown in the figure below, Layer 2 switches work at the data link layer and can handle data frames)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3629\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Layer-2-switch.png\" alt=\"Layer 2 switch\" width=\"800\" height=\"447\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Layer-2-switch.png 689w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Layer-2-switch-300x168.png 300w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Layer 3 switch:<\/p>\n<p>A device with Layer 3 switching function, i.e. a Layer 2 switch with Layer 3 routing function. But it is an organic combination of the two, not simply superimposing the hardware and software of a router device on a LAN switch. (The following figure shows a Layer 3 switch working at the network layer, which can handle packets)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3630\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Layer-3-switch.png\" alt=\"Layer 3 switch\" width=\"800\" height=\"420\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Layer-3-switch.png 708w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Layer-3-switch-300x158.png 300w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><span style=\"font-size: 14pt;\"><strong><b>Number of <\/b><\/strong><strong><b>P<\/b><\/strong><strong><b>orts<\/b><\/strong><\/span><\/p>\n<p><strong><b>Fixed<\/b><\/strong><strong><b>\u00a0switch<\/b><\/strong><\/p>\n<p>The number of ports that a switch can provide is basically fixed for each type of box switch. Generally, 24 or 48 ports and 2-4 uplink\u00a0ports are provided.<\/p>\n<p>HW CE5850-48T4S2Q-EI is used as an example (as shown below). There are 48 1000M ports, four 10 Gbit\/s uplink ports, and two 40 Gbit\/s uplink ports.<\/p>\n<p><strong><b>Modular Switches<\/b><\/strong><\/p>\n<p>The modular switch is related to the number of configured single boards, which generally refers to the maximum number of ports that each frame can support when configuring the highest-density interface board.<\/p>\n<p>HW&#8217;s CE12804, for example, supports four service boards LPU, and the ports are related to the specific single-board model. We take the 36-port 100G single board as an example, then insert a full single board that has a total of 144 <a href=\"https:\/\/www.fibermall.com\/store-16528-100g-qsfp28.htm\" target=\"_blank\" rel=\"noopener\">100G <\/a>ports.<\/p>\n<p>When choosing a switch you need to base it on the current business situation and future scalability. The number of switch ports represents the number of terminals you need to access.<\/p>\n<p>Take a switch with 48 access points as an example. If 1 terminal occupies one port, then one switch can connect 48 terminals. If it is a company of 200 people, then 5 such switches are needed.<\/p>\n<p><strong><b>Port Rate<\/b><\/strong><\/p>\n<p>The switch supports port rates:<\/p>\n<p>The current port rates provided by the switch are 100Mbps\/1000Mbps\/10Gbps\/25Gbps, etc.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3631\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/The-switch-supports-port-rates.png\" alt=\"The switch supports port rates\" width=\"800\" height=\"651\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/The-switch-supports-port-rates.png 579w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/The-switch-supports-port-rates-300x244.png 300w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Switch port rate units:<\/p>\n<p>The unit of port rate of the switch is bps (bit per second), that is, how many bits per second.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3632\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Switch-port-rate-units.png\" alt=\"Switch port rate units\" width=\"800\" height=\"89\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Switch-port-rate-units.png 759w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Switch-port-rate-units-300x33.png 300w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><span style=\"font-size: 14pt;\"><strong><b>Switching Capacity<\/b><\/strong><\/span><\/p>\n<ol>\n<li>Switching capacity: Also known as backplane bandwidth or switching bandwidth.<\/li>\n<\/ol>\n<p>Switching capacity is the maximum amount of data that can be throughput between the switch interface processor (or interface card) and the data bus.<\/p>\n<p>The backplane bandwidth marks the total data exchange capacity of a switch and is measured in Gbit\/s.<\/p>\n<p>The higher the switching capacity of a switch, the more data it can handle, but also the higher the design cost. Twice the sum of all port capacity ports should be less than the switch capacity to achieve full duplex non-blocking switching.<\/p>\n<ol start=\"2\">\n<li>The switching capacity is related to the switch standard:<\/li>\n<\/ol>\n<p>(1) For bus switches, the switching capacity refers to the bandwidth of the backplane bus;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3633\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/For-bus-switches.png\" alt=\"For bus switches\" width=\"800\" height=\"458\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/For-bus-switches.png 316w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/For-bus-switches-300x172.png 300w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>(2) For switch matrix switches, the switching capacity refers to the total bandwidth of the switch matrix interfaces.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3634\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/For-switch-matrix-switches.png\" alt=\"For switch matrix switches\" width=\"800\" height=\"462\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/For-switch-matrix-switches.png 334w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/For-switch-matrix-switches-300x173.png 300w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>This switching capacity is a theoretical calculation, but it represents the maximum switching capacity that the switch may achieve. The current switch design ensures that this parameter does not become a bottleneck for the entire switch.<\/p>\n<p><strong><b>Packet Forwarding Rate<\/b><\/strong><\/p>\n<ol>\n<li>Switch Packet Forwarding Rate<\/li>\n<\/ol>\n<p>Packet forwarding rate, also known as interface throughput, refers to the packet forwarding capacity on an interface of a communication device, usually in pps (packet per second). The packet forwarding rate of the switch is generally the result of actual measurements, representing the actual forwarding performance of the switch.<\/p>\n<ol start=\"2\">\n<li>Packet Forwarding Rate Calculation<\/li>\n<\/ol>\n<p>The packet forwarding rate is measured by the number of 64-byte packets (minimum packet) sent per unit of time as the basis for calculation. When calculating the packet forwarding rate, the fixed overhead of the preamble and Interframe Gap should be considered.<\/p>\n<p>By default, the Interframe gap is 12 bytes maximum and users are recommended to use the default configuration.\u00a0If the user modifies the Interframe gap of the interface to a smaller value, the receiver may not have enough time to receive the next frame after receiving a data frame, resulting in packet loss due to the inability to process forwarded messages in time.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3635\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Packet-Forwarding-Rate-Calculation.png\" alt=\"Packet Forwarding Rate Calculation\" width=\"800\" height=\"140\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Packet-Forwarding-Rate-Calculation.png 748w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Packet-Forwarding-Rate-Calculation-300x53.png 300w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>The length of an Ethernet frame is variable, but the processing power used by the switch to process each Ethernet frame is independent of the length of the Ethernet frame. Therefore, the shorter the length of an Ethernet frame, the more frames the switch needs to process and the more processing power it needs to consume, given a certain interface bandwidth of the switch.<\/p>\n<p><span style=\"font-size: 14pt;\"><strong><b>Cameras and Surveillance<\/b><\/strong><strong><b>\u00a0Switch Selection<\/b><\/strong><\/span><\/p>\n<p>In HD network video monitoring systems, there are often customer feedback screen delays, lagging, and other phenomena, causing this phenomenon for a number of reasons, but in most cases or the switch, configuration is not reasonable enough, resulting in insufficient bandwidth caused by.<\/p>\n<p>In terms of network topology, a large HD network video surveillance system needs to use a three-layer network architecture: access layer, convergence layer, and core layer.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3636\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Cameras-and-Surveillance-Switch-Selection.png\" alt=\"Cameras and Surveillance Switch Selection\" width=\"800\" height=\"564\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Cameras-and-Surveillance-Switch-Selection.png 1315w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Cameras-and-Surveillance-Switch-Selection-300x211.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Cameras-and-Surveillance-Switch-Selection-1024x722.png 1024w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Cameras-and-Surveillance-Switch-Selection-768x541.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<ol>\n<li>Access layer switch selection<\/li>\n<\/ol>\n<p>Access layer switches are mainly down-linked front-end network HD cameras and up-link aggregation switches. To 720P network camera 4M data rate calculation, a 100 megabit access switch can access the maximum number of 720P network cameras.<\/p>\n<p>The actual bandwidth of our commonly used switches is 50%-70% of the theoretical value, so the actual bandwidth of a 100 megabit port in 50M-70M. 4M * 12 = 48M, so it is recommended that a 100-megabit access switch access a maximum of 12 720P network cameras.<\/p>\n<p>It should be considered that the current network monitoring adopts dynamic coding mode,\u00a0and the peak value of the camera bitstream may exceed 4M bandwidth. At the same time, bandwidth redundancy is considered. So a 100 megabit access switch control within 8 units when the best, more than 8 units recommended the use of gigabit ports.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3637\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Access-layer-switch-selection.png\" alt=\"Access layer switch selection\" width=\"600\" height=\"377\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Access-layer-switch-selection.png 500w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Access-layer-switch-selection-300x188.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<ol start=\"2\">\n<li>Selection of aggregation layer switch<\/li>\n<\/ol>\n<p>Switches at the aggregation layer connect to switches at the access layer and core switches in the monitoring center. Generally, the aggregation switch must be a Layer 2 switch with a gigabit upload port.<\/p>\n<p>Based on the 4M data rate of 720P network cameras, each front-end access layer switch has six 720P network cameras, and the aggregation switch connects to five access layer switches. The total bandwidth of the aggregation layer switch is 4M*6*5=120M. Therefore, the aggregation switch and core switch must be cascaded through gigabit ports.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3638\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/aggregation-switch.jpg\" alt=\"aggregation switch\" width=\"727\" height=\"334\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/aggregation-switch.jpg 727w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/aggregation-switch-300x138.jpg 300w\" sizes=\"(max-width: 727px) 100vw, 727px\" \/><\/p>\n<ol start=\"3\">\n<li>Selection of core layer switches<\/li>\n<\/ol>\n<p>The switch at the core layer connects to the switch at the aggregation layer and connects to the video monitoring platform, storage server, digital matrix, and other devices in the monitoring center. It is the core of the entire HD network monitoring system. When selecting the core switch, the bandwidth capacity of the whole system and improper configuration of the core switch must be considered, which will inevitably lead to the smooth display of the video picture. Therefore, the monitoring center must select the all-gigabit core switch. If the number of points is large, VLANs need to be divided and Layer 3 full gigabit port core switches need to be selected.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3639\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/core-layer-switch.png\" alt=\"core layer switch\" width=\"815\" height=\"459\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/core-layer-switch.png 815w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/core-layer-switch-300x169.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/core-layer-switch-768x433.png 768w\" sizes=\"(max-width: 815px) 100vw, 815px\" \/><\/p>\n<p>Backplane bandwidth:<\/p>\n<p>Calculation method: Number of ports * port speed * 2 = backplane bandwidth. Take HW S2700-26TP-SI as an example, the switch has 24 100-gigabit ports and two-gigabit uplink ports.<\/p>\n<p>Backplane bandwidth=24*100*2\/1000+2*1000*2\/1000=8.8Gbps.<\/p>\n<p>Packet forwarding rate:<\/p>\n<p>Calculation method: Number of fully configured GE ports * 1.488Mpps + Number of fully configured 100 Gigabit ports * 0.1488Mpps = packet forwarding rate (the theoretical throughput of 1 Gigabit port at packet length of 64 bytes is 1.488Mpps, and the theoretical throughput of 1 100 Gigabit port at packet length of 64 bytes is 0.1488Mpps). Take HW S2700-26TP-SI as an example, the switch has 24 100-gigabit ports and two-gigabit uplink ports.<\/p>\n<p>Packet forwarding rate = 24*0.1488Mpps + 2*1.488Mpps = 6.5472Mpps.<\/p>\n<p><span style=\"font-size: 14pt;\"><strong><b>Common switch configuration commands<\/b><\/strong><\/span><\/p>\n<p><strong><b>HW Switch Basic Configuration Commands<\/b><\/strong><\/p>\n<p>Common commands view<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3640\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/command-view.png\" alt=\"command view\" width=\"800\" height=\"530\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/command-view.png 1024w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/command-view-300x199.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/command-view-768x509.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Creating VLANs<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3641\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Creating-VLANs.png\" alt=\"Creating VLANs\" width=\"800\" height=\"245\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Creating-VLANs.png 783w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Creating-VLANs-300x92.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Creating-VLANs-768x235.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Adding ports to VLANs<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3642\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Adding-ports-to-VLANs.png\" alt=\"Adding ports to VLANs\" width=\"781\" height=\"393\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Adding-ports-to-VLANs.png 781w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Adding-ports-to-VLANs-300x151.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Adding-ports-to-VLANs-768x386.png 768w\" sizes=\"(max-width: 781px) 100vw, 781px\" \/><\/p>\n<p>Adding multiple ports to\u00a0VLANs<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3643\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Adding-multiple-ports-to-VLANs.png\" alt=\"Adding multiple ports to VLANs\" width=\"769\" height=\"233\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Adding-multiple-ports-to-VLANs.png 769w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Adding-multiple-ports-to-VLANs-300x91.png 300w\" sizes=\"(max-width: 769px) 100vw, 769px\" \/><\/p>\n<p>Configuring\u00a0an IP address for the switch<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3644\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Configuring-an-IP-address-for-the-switch.png\" alt=\"Configuring an IP address for the switch\" width=\"778\" height=\"192\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Configuring-an-IP-address-for-the-switch.png 778w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Configuring-an-IP-address-for-the-switch-300x74.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Configuring-an-IP-address-for-the-switch-768x190.png 768w\" sizes=\"(max-width: 778px) 100vw, 778px\" \/><\/p>\n<p>Configuring the default Gateway<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3645\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Configuring-the-default-Gateway.png\" alt=\"Configuring the default Gateway\" width=\"797\" height=\"117\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Configuring-the-default-Gateway.png 797w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Configuring-the-default-Gateway-300x44.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Configuring-the-default-Gateway-768x113.png 768w\" sizes=\"(max-width: 797px) 100vw, 797px\" \/><\/p>\n<p>Save Settings and Reset Commands<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3646\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Save-Settings-and-Reset-Commands.png\" alt=\"Save Settings and Reset Commands\" width=\"790\" height=\"197\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Save-Settings-and-Reset-Commands.png 790w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Save-Settings-and-Reset-Commands-300x75.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Save-Settings-and-Reset-Commands-768x192.png 768w\" sizes=\"(max-width: 790px) 100vw, 790px\" \/><\/p>\n<p>Common display commands<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3647 size-full\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Common-display-commands.png\" alt=\"Common display commands\" width=\"655\" height=\"306\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Common-display-commands.png 655w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Common-display-commands-300x140.png 300w\" sizes=\"(max-width: 655px) 100vw, 655px\" \/><\/p>\n<p><strong><b>Basic Configuration of H3C Switches<\/b><\/strong><\/p>\n<p>Basic Configuration<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3648\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Basic-Configuration.png\" alt=\"Basic Configuration\" width=\"785\" height=\"200\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Basic-Configuration.png 785w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Basic-Configuration-300x76.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Basic-Configuration-768x196.png 768w\" sizes=\"(max-width: 785px) 100vw, 785px\" \/><\/p>\n<p>User Configuration<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3649\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/User-Configuration.png\" alt=\"User Configuration\" width=\"968\" height=\"652\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/User-Configuration.png 968w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/User-Configuration-300x202.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/User-Configuration-768x517.png 768w\" sizes=\"(max-width: 968px) 100vw, 968px\" \/><\/p>\n<p>VLAN configuration<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3650\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/VLAN-configuration.png\" alt=\"VLAN configuration\" width=\"785\" height=\"413\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/VLAN-configuration.png 785w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/VLAN-configuration-300x158.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/VLAN-configuration-768x404.png 768w\" sizes=\"(max-width: 785px) 100vw, 785px\" \/><\/p>\n<p>Switch IP Configuration<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3651\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Switch-IP-Configuration.png\" alt=\"Switch IP Configuration\" width=\"787\" height=\"603\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Switch-IP-Configuration.png 787w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Switch-IP-Configuration-300x230.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Switch-IP-Configuration-768x588.png 768w\" sizes=\"(max-width: 787px) 100vw, 787px\" \/><\/p>\n<p>DHCP Client Configuration<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3652\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/DHCP-Client-Configuration.png\" alt=\"DHCP Client Configuration\" width=\"771\" height=\"290\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/DHCP-Client-Configuration.png 771w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/DHCP-Client-Configuration-300x113.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/DHCP-Client-Configuration-768x289.png 768w\" sizes=\"(max-width: 771px) 100vw, 771px\" \/><\/p>\n<p>Port Configuration<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3653\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Port-Configuration.png\" alt=\"Port Configuration\" width=\"928\" height=\"732\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Port-Configuration.png 928w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Port-Configuration-300x237.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Port-Configuration-768x606.png 768w\" sizes=\"(max-width: 928px) 100vw, 928px\" \/><\/p>\n<p><strong><b>R<\/b><\/strong><strong><b>uijie<\/b><\/strong><strong><b>\u00a0switch basic command configuration<\/b><\/strong><\/p>\n<p>Basic Commands<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3654\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Basic-Commands.png\" alt=\"Basic Commands\" width=\"777\" height=\"506\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Basic-Commands.png 777w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Basic-Commands-300x195.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Basic-Commands-768x500.png 768w\" sizes=\"(max-width: 777px) 100vw, 777px\" \/><\/p>\n<p>View information<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3655\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/View-information.png\" alt=\"View information\" width=\"713\" height=\"703\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/View-information.png 713w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/View-information-300x296.png 300w\" sizes=\"(max-width: 713px) 100vw, 713px\" \/><\/p>\n<p>Basic port configuration<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3656\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Basic-port-configuration.png\" alt=\"Basic port configuration\" width=\"703\" height=\"358\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Basic-port-configuration.png 703w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Basic-port-configuration-300x153.png 300w\" sizes=\"(max-width: 703px) 100vw, 703px\" \/><\/p>\n<p>Port aggregation configuration<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3657\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Port-aggregation-configuration.png\" alt=\"Port aggregation configuration\" width=\"710\" height=\"178\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Port-aggregation-configuration.png 710w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Port-aggregation-configuration-300x75.png 300w\" sizes=\"(max-width: 710px) 100vw, 710px\" \/><\/p>\n<p>Spanning tree<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3658\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Spanning-tree.png\" alt=\"Spanning tree\" width=\"743\" height=\"625\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Spanning-tree.png 743w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Spanning-tree-300x252.png 300w\" sizes=\"(max-width: 743px) 100vw, 743px\" \/><\/p>\n<p>Basic VLAN configuration<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3659\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Basic-vlan-configuration.png\" alt=\"Basic VLAN configuration\" width=\"718\" height=\"293\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Basic-vlan-configuration.png 718w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Basic-vlan-configuration-300x122.png 300w\" sizes=\"(max-width: 718px) 100vw, 718px\" \/><\/p>\n<p>Port security<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3660\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Port-security.png\" alt=\"Port security\" width=\"728\" height=\"251\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Port-security.png 728w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Port-security-300x103.png 300w\" sizes=\"(max-width: 728px) 100vw, 728px\" \/><\/p>\n<p>Layer 3 Routing Function (for Layer 3 switches)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3661\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Layer-3-Routing-Function-for-Layer-3-switches.png\" alt=\"Layer 3 Routing Function (for Layer 3 switches)\" width=\"708\" height=\"240\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Layer-3-Routing-Function-for-Layer-3-switches.png 708w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Layer-3-Routing-Function-for-Layer-3-switches-300x102.png 300w\" sizes=\"(max-width: 708px) 100vw, 708px\" \/><\/p>\n<p>Layer 3 switch routing protocol<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3662\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Layer-3-switch-routing-protocol.png\" alt=\"Layer 3 switch routing protocol\" width=\"725\" height=\"366\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Layer-3-switch-routing-protocol.png 725w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/01\/Layer-3-switch-routing-protocol-300x151.png 300w\" sizes=\"(max-width: 725px) 100vw, 725px\" \/><\/p>\n<style>\r\n\r\n        .lwrp.link-whisper-related-posts{\r\n            \r\n            margin-top: 40px;\nmargin-bottom: 30px;\r\n        }\r\n        .lwrp .lwrp-title{\r\n            \r\n            \r\n        }\r\n        .lwrp .lwrp-description{\r\n            \r\n            \r\n\r\n        }\r\n        .lwrp .lwrp-list-container{\r\n        }\r\n        .lwrp .lwrp-list-multi-container{\r\n            display: flex;\r\n        }\r\n        .lwrp .lwrp-list-double{\r\n            width: 48%;\r\n        }\r\n        .lwrp .lwrp-list-triple{\r\n            width: 32%;\r\n        }\r\n        .lwrp .lwrp-list-row-container{\r\n            display: flex;\r\n      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.lwrp-list-link-title-text,\r\n            .lwrp .lwrp-list-item .lwrp-list-no-posts-message{\r\n                \r\n                    \r\n            }\r\n        }<\/style>\r\n<div id=\"link-whisper-related-posts-widget\" class=\"link-whisper-related-posts lwrp\">\r\n            <h3 class=\"lwrp-title\">Related Posts<\/h3>    \r\n        <div class=\"lwrp-list-container\">\r\n                                            <ul class=\"lwrp-list lwrp-list-single\">\r\n                    <li class=\"lwrp-list-item\"><a href=\"https:\/\/www.fibermall.com\/blog\/pci-e-8-things-need-to-know.htm\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">PCI-E: 8 Things You Need to Know Early<\/span><\/a><\/li><li class=\"lwrp-list-item\"><a href=\"https:\/\/www.fibermall.com\/blog\/how-to-use-fiber-jumper.htm\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">How to Use Fiber Jumper?<\/span><\/a><\/li><li class=\"lwrp-list-item\"><a 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Port bandwidth Switching capacity Packet forwarding rate Switch Standard The current switch is mainly divided into fixed switches and modular switches. Fixed\u00a0switch With fixed switches, ports, interfaces, power supplies, and cooling fans are set and cannot be [&hellip;]<\/p>\n","protected":false},"author":227,"featured_media":3638,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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name=\"description\" content=\"This article introduces the six key points for choosing a switch and the configuration commands for Huawei, H3C and Ruijie switches.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fibermall.com\/blog\/6-key-points-for-switches-selection.htm\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"6 Key Points for Switches Selection\" \/>\n<meta property=\"og:description\" content=\"The six key points of switches selection are: Standard(fixed\u00a0switch\/modular\u00a0switch) Functions (Layer 2 Switch\/Layer 3 Switch) Number of ports Port\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fibermall.com\/blog\/6-key-points-for-switches-selection.htm\" \/>\n<meta property=\"og:site_name\" content=\"fibermall.com\" \/>\n<meta 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