Default VLAN describtion

Latest reply: Dec 3, 2018 05:44:07 397 5 12 2

Default VLAN

The default VLAN ID of an interface is called the port default VLAN ID (PVID). Frames processed in a switch all carry VLAN tags. When the switch receives an untagged frame, it adds a VLAN tag to the frame according to the default VLAN of the interface that received the frame. The PVID is used in the following scenarios:
  • When an interface receives an untagged frame, the interface adds a tag with the PVID to the frame and sends the frame to the switch for processing. When an interface receives a tagged frame, the tag is not added.
  • When an interface sends a frame in which the VLAN ID is the same as the PVID, the switch removes the tag from the frame before sending it out from the interface.
Each interface has a default VLAN. By default, the default VLAN ID of all interfaces is VLAN 1.
  • The default VLAN of an access interface is the VLAN allowed by the access interface. Changing the allowed VLANs will also change the default VLAN.
  • Trunk and hybrid interfaces allow multiple VLANs but have only one default VLAN. Changing the allowed VLANs will not change the default VLAN.
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Tanzania163
Tanzania163 Created Dec 3, 2018 06:05:21
Good case for learning defaut VLAN  
yWX511501
Created Dec 3, 2018 01:21:44 Helpful(2) Helpful(2)

it is clear
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DZKM
Created Dec 3, 2018 01:41:18 Helpful(1) Helpful(1)

Can you sent more IT basic skills?we want know more That's great ! ths for your share
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user_2915719
Created Dec 3, 2018 01:43:54 Helpful(1) Helpful(1)

That's clear explanation, works for IP *******s like meDefault VLAN describtion-2812871-1
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dagui
Created Dec 3, 2018 05:44:07 Helpful(0) Helpful(0)

Can the Trunk and Hybrid Interface Modes Be Described in Details?
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