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Configuration Guide - Ethernet Switching

S7700 and S9700 V200R011C10

This document describes the configuration of Ethernet services, including configuring link aggregation, VLANs, Voice VLAN, VLAN mapping, QinQ, GVRP, MAC table, STP/RSTP/MSTP, SEP, and so on.
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Example for Configuring MUX VLAN on the Aggregation Device

Example for Configuring MUX VLAN on the Aggregation Device

Networking Requirements

All employees of an enterprise can access the server on the enterprise network. The enterprise allows communication between some employees and prohibits communication between others.

As shown in Figure 7-4, Switch1 is located at the aggregation layer and used as the gateway of user hosts. Switch2, Switch3, Switch4, Switch5, and Switch6 are access devices. You can configure MUX VLAN on Switch1 to conserve VLAN IDs on the enterprise network and has fewer requirements on network maintenance.

Figure 7-4  Networking of the MUX VLAN

Configuration Roadmap

The configuration roadmap is as follows:

  1. Configure a principal VLAN and a VLANIF interface. The IP address of the VLANIF interface is used as the gateway IP address of user hosts and server.

  2. Configure a group VLAN.

  3. Configure a separate VLAN.

  4. Add interfaces to the VLANs and enable the MUX VLAN function on the interfaces.

  5. Add interfaces of access switches to VLANs.

Procedure

  1. Configure the MUX VLAN.

    # Create VLAN 2, VLAN 3, and VLAN 4, and VLANIF 2 on Switch1. The IP address of VLANIF 2 is used as the gateway IP address for user hosts and server.

    <HUAWEI> system-view
    [HUAWEI] sysname Switch1
    [Switch1] vlan batch 2 3 4
    [Switch1] interface vlanif 2
    [Switch1-Vlanif2] ip address 192.168.100.100 24
    [Switch1-Vlanif2] quit
    

    # Configure a group VLAN and a separate VLAN on Switch1.

    [Switch1] vlan 2
    [Switch1-vlan2] mux-vlan
    [Switch1-vlan2] subordinate group 3
    [Switch1-vlan2] subordinate separate 4
    [Switch1-vlan2] quit
    

    # Add interfaces to the VLANs and enable the MUX VLAN function on the interfaces.

    [Switch1] interface gigabitethernet 1/0/2
    [Switch1-GigabitEthernet1/0/2] port link-type trunk
    [Switch1-GigabitEthernet1/0/2] port trunk allow-pass vlan 2
    [Switch1-GigabitEthernet1/0/2] port mux-vlan enable vlan 2
    [Switch1-GigabitEthernet1/0/2] quit
    [Switch1] interface gigabitethernet 1/0/3
    [Switch1-GigabitEthernet1/0/3] port link-type trunk
    [Switch1-GigabitEthernet1/0/3] port trunk allow-pass vlan 3
    [Switch1-GigabitEthernet1/0/3] port mux-vlan enable vlan 3
    [Switch1-GigabitEthernet1/0/3] quit
    [Switch1] interface gigabitethernet 1/0/4
    [Switch1-GigabitEthernet1/0/4] port link-type trunk
    [Switch1-GigabitEthernet1/0/4] port trunk allow-pass vlan 3
    [Switch1-GigabitEthernet1/0/4] port mux-vlan enable vlan 3
    [Switch1-GigabitEthernet1/0/4] quit
    [Switch1] interface gigabitethernet 1/0/5
    [Switch1-GigabitEthernet1/0/5] port link-type trunk
    [Switch1-GigabitEthernet1/0/5] port trunk allow-pass vlan 4
    [Switch1-GigabitEthernet1/0/5] port mux-vlan enable vlan 4
    [Switch1-GigabitEthernet1/0/5] quit
    [Switch1] interface gigabitethernet 1/0/6
    [Switch1-GigabitEthernet1/0/6] port link-type trunk
    [Switch1-GigabitEthernet1/0/6] port trunk allow-pass vlan 4
    [Switch1-GigabitEthernet1/0/6] port mux-vlan enable vlan 4
    [Switch1-GigabitEthernet1/0/6] quit
    

  2. Add interfaces of access switches to VLANs. The configuration details are not mentioned here.
  3. Verify the configuration.

    The server can communicate with HostB, HostC, HostD, and HostE at Layer 2.

    HostB can communicate with HostC at Layer 2.

    HostD cannot communicate with HostE at Layer 2.

    HostB and HostC cannot communicate with HostD and HostE at Layer 2.

Configuration Files

Switch1 configuration file

#
sysname Switch1
#
vlan batch 2 to 4
#
vlan 2
 mux-vlan
 subordinate separate 4 
 subordinate group 3
#
interface Vlanif2                                                             
 ip address 192.168.100.100 255.255.255.0  
#
interface GigabitEthernet1/0/2
 port link-type trunk
 port trunk allow-pass vlan 2 
 port mux-vlan enable vlan 2
#
interface GigabitEthernet1/0/3
 port link-type trunk
 port trunk allow-pass vlan 3
 port mux-vlan enable vlan 3
#
interface GigabitEthernet1/0/4
 port link-type trunk
 port trunk allow-pass vlan 3
 port mux-vlan enable vlan 3
#
interface GigabitEthernet1/0/5
 port link-type trunk
 port trunk allow-pass vlan 4
 port mux-vlan enable vlan 4
#
interface GigabitEthernet1/0/6
 port link-type trunk
 port trunk allow-pass vlan 4
 port mux-vlan enable vlan 4
#
return
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Updated: 2019-10-18

Document ID: EDOC1000178310

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