D-Link DGS-6600-48TS Configuration Guide - Page 90
Packet Classification, VLAN Configuration Commands, Creating a VLAN
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Volume 3-Layer 2 Configurations / Chapter 10-VLAN Configuration VLAN Configuration Commands When a packet arrives at a port, before it is processed further, the packet will be classified with a VLAN ID. After the packet is given a a specific VLAN classification, the subsequent processing, including address learning, filtering, and packet forwarding, will all be based on the assigned VLAN classification. The forwarding port will be determined based on the packet status and the status of the transmitting port, if the transmitting port is a tagged member port, the packet will be transmitted in a tagged format. If the transmitting port is an untagged member port, the packet will be transmitted in an untagged format. Packet Classification The DGS-6600 Switch classifies and assigns the packet to a specific VLAN using the following rules: 1) If the packet contains an 802.1Q tag that specifies a VLAN ID, the packet will be classified with the VLAN specified in the 802.1Q tag. 2) If the packet is a priority tagged or untagged packet, the system will classify the packet using one of the following rules: • If a MAC-based classification rule is created, and the source MAC addresses of the packet match one of the rules, the VLAN will be classified based on this rule. • If a subnet-based classification rule is created, and a source IP address of the packet matches one of the rules, the VLAN will be classified based on this rule. • If no MAC or subnet-based classification rule is created, the packet will be classified with the default VLAN of the recipient port. VLAN Configuration Commands The following topics are included in this section: • Creating a VLAN • Specifying an Access VLAN for an Interface • Specifying Trunk VLAN Mode for an Interface • Configuring Miscellaneous VLAN Attributes for an Interface • Configuring Protocol VLAN Groups • Creating a MAC-based VLAN Classification Entry • Creating a Subnet-based VLAN Classification Entry Creating a VLAN The user should create a VLAN before configuring a member port. If the user deletes a VLAN, all port membership will automatically be removed from the VLAN. When a VLAN is created, a default name is assigned to the VLAN. The user can modify the VLAN name if needed. DGS-6600 Configuration Guide 90