Example for Configuring Communication Between VLANs Using VLANIF Interfaces

Huawei AR150&160&200&1200&2200&3200 Series Enterprise Routers Configuration Guide - Example for Configuring Communication Between VLANs Using VLANIF Interfaces

Networking Requirements

As shown in Figure 1, Ethernet 2/0/1 of the Router is connected to the uplink interface of SwitchA.

On SwitchA, the downlink interface Ethernet 2/0/1 is added to VLAN 10 and the downlink

interface Ethernet 2/0/2 is added to VLAN 20.

PC1 in VLAN 10 and PC2 in VLAN 20 need to communicate with each other

Figure 1 Network diagram for communication between VLANs through VLANIF interfaces

Configuration Roadmap

The configuration roadmap is as follows:

1. Add Ethernet interfaces to the VLAN.

2. Configure VLANIF interfaces.

Procedure

Step 1 Configure the Router.

# Create VLANs.

<Huawei> system-view

[Huawei] sysname Router

[Router] vlan batch 10 20

# Add interfaces to the VLANs.

[Router] interface ethernet 2/0/1

[Router-Ethernet2/0/1] port link-type trunk

[Router-Ethernet2/0/1] port trunk allow-pass vlan 10 20

[Router-Ethernet2/0/1] quit

# Assign IP addresses to the VLANIF interfaces.

[Router] interface vlanif 10

[Router-Vlanif10] ip address 10.10.10.1 24

[Router-Vlanif10] quit                   

[Router] interface vlanif 20

[Router-Vlanif20] ip address 20.20.20.1 24

[Router-Vlanif20] quit

Step 2 Configure SwitchA.

# Create VLANs.

<Huawei> system-view

[Huawei] sysname SwitchA

[SwitchA] vlan batch 10 20

# Add interfaces to the VLANs.

[SwitchA-Ethernet2/0/1] port link-type access

[SwitchA-Ethernet2/0/1] port default vlan 10

[SwitchA-Ethernet2/0/1] quit

[SwitchA] interface ethernet 2/0/2

[SwitchA-Ethernet2/0/2] port link-type access

[SwitchA-Ethernet2/0/2] port default vlan 20

[SwitchA-Ethernet2/0/2] quit

[SwitchA] interface ethernet 2/0/3

[SwitchA-Ethernet2/0/3] port link-type trunk

[SwitchA-Ethernet2/0/3] port trunk allow-pass vlan 10 20

[SwitchA-Ethernet2/0/3] quit

Step 3 Verify the configuration.

On PC1 in VLAN 10, configure the default gateway address as the IP address of VLANIF 10 (in this example: 10.10.10.1/24).

On PC2 in VLAN 20, configure the default gateway address as the IP address of VLANIF 20 (in this example: 20.20.20.1/24).

After the configuration is complete, PC1 in VLAN 10 can communicate with PC2 in VLAN 20.

----End

Configuration Files

Configuration file of the Router

#

sysname Router

#

vlan batch 10 20

#

interface Vlanif10

ip address 10.10.10.1 255.255.255.0

#

interface Vlanif20

ip address 20.20.20.1 255.255.255.0

#

interface Ethernet2/0/1

port link-type trunk

port trunk allow-pass vlan 10 20

#

return

Configuration file of SwitchA

#

sysname SwitchA

#

vlan batch 10 20

#

interface Ethernet2/0/1

port link-type access

port default vlan 10

#

interface Ethernet2/0/2

port link-type access

port default vlan 20

#

interface Ethernet2/0/3

port link-type trunk

port trunk allow-pass vlan 10 20

#

Return

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