АМАТЕК AN-SGM28P24-400 [78/322] Sixth chapters

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Sixth chapters

VLAN configuration

VLAN is an important concept in the switch, and it is used very much in practical

applications. It is the basis of internal division of multiple networks。VLAN is the abbreviation of

virtual local area network (LAN). It is a network that logically connects multiple devices,

regardless of the physical location of the device。Each VLAN is a logical network, which has all

the functions and attributes of the traditional physical network. Each VLAN is a broadcast domain,

broadcast packets can only be forwarded within a VLAN, can not cross the VLAN, VLAN data

communication must be transmitted through three layers。

The main contents of this chapter are as follows：

 VLAN introduce

 VLAN configuration

 VLAN configuration example

 MAC, IP subnet, protocol VLAN

 VOICE VLAN

 VLAN mapping

 QINQ

6.1 VLAN introduce

This section gives a detailed introduction to VLAN, including the following contents：

 The benefits of VLAN

 VLAN ID

 VLAN port member type

 Default VLAN of port

 Port VLAN mode

 VLAN relay

 Data flow is forwarded in VLAN