what is the difference between a switch physical interface and the vlan interface?
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 What is the difference between a switch's physical interface and the VLAN interface? A switch's physical interface is used to physically connect end devices to the network. A switched virtual interface (SVI or VLAN) is used to configure the switch with an IP address so that it can be managed remotely.
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Network switches create a network while routers connect networks. In other words, network switches allow different devices on a network to communicate, but routers allow different networks to communicate. In a nutshell, a network switch is typically a Layer-2 device of the OSI model while a router is a Layer-3 device.
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Differences: Hardware - The key difference between layer 3 switch vs router lies in the hardware. ... Additionally, designed specifically for use on intranets, a layer 3 switch usually has no WAN ports and features a traditional router usually gets. So layer 3 switch is most used to support routing between VLANs.
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A hub works on the physical layer (Layer 1) of OSI model while Switch works on the data link layer (Layer 2). ... A switch can join multiple computers within one LAN, and a hub just connects multiple Ethernet devices together as a single segment. Switch is smarter than hub to determine the target of the forwarding data.
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The basic function that any switch is supposed to perform is to receive information from any source connected to it and dispatch that information to the appropriate destination only. This thing differentiates switches from hubs. Hub gets the information and forwards that to every other device in the network.
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A VLAN is a group of devices on one or more LANs that are configured to communicate as if they were attached to the same wire, when in fact they are located on a number of different LAN segments. Because VLANs are based on logical instead of physical connections, they are extremely flexible.
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You can use the unmanaged switch with an interface for one untagged (native) VLAN (access port). ... The term VLAN doesn't really make sense in this scenario since that is a term for switches to separate broadcast domains on a switch, and unmanaged switches don't do that.
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Layer 2 switching (or Data Link layer switching) is the process of using devices' MAC addresses to decide where to forward frames. Switches and bridges are used for Layer 2 switching. They break up one large collision domain into multiple smaller ones. In a typical LAN, all hosts are connected to one central device.
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a hub. A switch is used to connect various network segments. A network switch is a small hardware device that joins multiple computers together within one local area network (LAN). A Hub connects multiple Ethernet devices together, making them act as a single segment.
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Native Vlan is the vlan which will be sent untagged even in Trunk links. ... Management vlan is different, it means that this vlan will be used for management purposes like Logging into the switch for management, Monitoring the switch,collecting Syslog ans SNMP traps, etc will be done by management vlan IP.
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4 Answers. An access port sends and receives untagged frames (i.e. all frames are in the same VLAN), while a trunk port supports tagged frames and thus allows to switch multiple VLANs.
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A VLAN (Virtual Local Area Network) is its own logically segregated broadcast domain. You assign networks, or subnets, just as you would with a physically separated broadcast domain. VLANs do not really have IP addresses assigned to them.
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■ A switch is a Layer 2 (data link) device with physical ports and that the. switch communicates via frames that are placed on to the wire at Layer 1 (physical). ■ A router is a Layer 3 (network) device that communicates with other routers. with the use of packets, which in turn are encapsulated inside frames.
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Switch is a layer 2 device which works on the basis of MAC address (physical address) of a device. Switch mainly performs these functions: ... (a) Unicast: The switch unicast the frame to the destination only when it has an entry for destination MAC address in its MAC address table.
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A Hub is a networking device that allows you to connect multiple PCs to a single network, whereas a Switch connects various devices together on a single computer network. A Hub operates on the physical layer, whereas Switch operates on the data link layer.
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The most basic explanation is that a switch is designed to connect computers within a network, while a router is designed to connect multiple networks together. ... Even though routers and switches are different, they can be used interchangeably. For example, a router typically has several LAN ports and a single WAN port.
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Cisco books will often refer to the "default VLAN". The Default VLAN is simply the VLAN which all Access Ports are assigned to until they are explicitly placed in another VLAN. In the case of Cisco switches (and most other Vendors), the Default VLAN is usually VLAN 1. ... The Native VLAN can change.