Huawei Quidway S7700 Configuration Manual - Ethernet page 84

Quidway S7700 Smart Routing Switch
Configuration Guide - Ethernet
l
Issue 01 (2011-07-15)
VLAN Definition
Division
Method
MAC address- PCs are added to VLANs based on their MAC addresses.
based VLAN
A switch maintains a VLAN mapping table that records mappings
division
between MAC addresses and VLANs.
IP subnet-based VLANs are configured based on IP addresses of PCs. PCs belonging
VLAN division to one IP subnet are added to the same VLAN.
A switch maintains a VLAN mapping table that records mappings
between IP subnets and VLANs.
Protocol-based VLANs are configured based on the Length/Type fields in Layer 2
VLAN division frames. Currently, IPv4, IPv6, IPX, or AppleTalk can be specified in
the Length/Type field of a Layer 2 frame to indicate the running
network protocol.
A switch maintains a VLAN mapping table that records mappings
between protocols and VLANs.
Policy-based PCs are added to VLANs based on their MAC and IP addresses.
VLAN division
A switch maintains a VLAN mapping table that records mappings
between MAC addresses, IP addresses, interfaces, and VLANs.
Type of VLAN links
Figure 3-4 Schematic diagram for VLAN links
VLAN3
PC3
3
Trunk link
2
CE1
PC1
VLAN2
As shown in Figure 3-4, there are the following types of VLAN links:
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Access link
3
Trunk link
PE
2
Access link
3 VLAN Configuration
VLAN3
PC4
3
2
CE2
PC2
VLAN2
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