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S9300, S9300E, and S9300X V200R012C00 Configuration Guide - Ethernet Switching

This document describes the configuration of Ethernet services, including configuring MAC address table, link aggregation, VLANs, VLAN aggregation, MUX VLAN, VLAN termination, Voice VLAN, VLAN mapping, QinQ, GVRP, STP/RSTP/MSTP, VBST, SEP, RRPP, ERPS, LBDT, HVRP, and Layer 2 protocol transparent transmission.
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Application Scenarios for VLAN Switch

Application Scenarios for VLAN Switch

On the network shown in Figure 6-1, PC1 in VLAN 2 and PC2 in VLAN 3 need to communicate with each other.

Figure 6-1  Using VLAN Switch to implement inter-VLAN communication

To implement inter-VLAN communication (between VLAN 2 and VLAN 3), you can configure switch-vlan on SwitchA. This configuration ensures that user packets are forwarded along the specified path. SwitchA will change VLAN 2 in packets received by Port2 to VLAN 3 and send them through Port3, and will change VLAN 3 in packets received by Port3 to VLAN 2 and send them through Port2.

NOTE:

If SwitchA is a Layer 2 switch, only switch-vlan can be used to implement inter-VLAN communication. If SwitchA is a Layer 3 switch, you can also use VLANIF interfaces to implement inter-VLAN communication.

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Updated: 2019-01-18

Document ID: EDOC1100038290

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