Example for Configuring Inter-VLAN Proxy ND in a VLAN Aggregation Scenario

NE40E-M2H and M2K V800R011C10 Configuration Guide - IP Services 02

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This section provides an example for configuring inter-VLAN proxy ND to allow devices in different VLANs to communicate with each other in a VLAN aggregation scenario.

Networking Requirements

If hosts are on the same network segment and physical network but belong to different VLANs, inter-VLAN proxy ND must be enabled on the associated VLAN interfaces to enable Layer 3 interworking between the hosts.

On the network shown in Figure 13-15, the device is connected to Host A, Host B, Host C, and Host D. These four hosts are on the same network segment, but Host A and Host B belong to VLAN 2 and Host C and Host D belong to VLAN 3. VLAN 2 and VLAN 3 constitute super-VLAN 4, and the hosts in VLAN 2 (sub-VLAN) and VLAN 3 cannot communicate with each other. To address this problem, enable inter-VLAN proxy ND on the VLANIF interfaces of the super-VLAN.

Figure 13-15 Networking of inter-VLAN proxy ND in a VLAN aggregation scenario

In this example, interface 1, interface 2, interface 3, and interface 4 stand for GE 0/1/1, GE 0/1/2, GE 0/2/1, and GE 0/2/2, respectively.

Configuration Roadmap

The configuration roadmap is as follows:

Configure super-VLANs and sub-VLANs.
Add interfaces to the sub-VLAN.
Create VLANIF interfaces for the super-VLAN and assign IPv6 addresses to the VLANIF interfaces.
Enable inter-VLAN proxy ND.

Data Preparation

To complete the configuration, you need the following data:

IPv6 addresses of hosts in different VLANs
IDs of the sub-VLANs and super-VLANs
IPv6 addresses of the VLANIF interfaces in the super-VLAN

Procedure

Configure super-VLANs and sub-VLANs.

# Configure sub-VLAN 2.

<HUAWEI> system-view

[~HUAWEI] sysname Device

[*HUAWEI] commit

[~Device] vlan 2

[*Device-vlan2] quit

[*Device] commit

# Add GE 0/1/1 and GE 0/1/2 to sub-VLAN 2.

[~Device] interface gigabitethernet 0/1/1

[~Device-GigabitEthernet0/1/1] portswitch

[*Device-GigabitEthernet0/1/1] port link-type access

[*Device-GigabitEthernet0/1/1] port default vlan 2

[*Device-GigabitEthernet0/1/1] quit

[*Device] interface gigabitethernet 0/1/2

[*Device-GigabitEthernet0/1/2] portswitch

[*Device-GigabitEthernet0/1/2] port link-type access

[*Device-GigabitEthernet0/1/2] port default vlan 2

[*Device-GigabitEthernet0/1/2] quit

[*Device] commit

# Configure sub-VLAN 3.

[~Device] vlan 3

[*Device-vlan3] quit

[*Device] commit

# Add GE 0/2/1 and GE 0/2/2 to sub-VLAN 3.

[~Device] interface gigabitethernet 0/2/1

[~Device-GigabitEthernet0/2/1] portswitch

[*Device-GigabitEthernet0/2/1] port link-type access

[**Device-GigabitEthernet0/2/1] port default vlan 3

[*Device-GigabitEthernet0/2/1] quit

[*Device] interface gigabitethernet 0/2/2

[*Device-GigabitEthernet0/2/2] portswitch

[*Device-GigabitEthernet0/2/2] port link-type access

[*Device-GigabitEthernet0/2/2] port default vlan 3

[*Device-GigabitEthernet0/2/2] quit

[*Device] commit

# Configure super-VLAN 4 and add sub-VLAN 2 and sub-VLAN 3 to super-VLAN 4.

[~Device] vlan 4

[*Device-vlan4] aggregate-vlan

[*Device-vlan4] access-vlan 2

[*Device-vlan4] access-vlan 3

[*Device-vlan4] quit

[*Device] commit

Create and configure VLANIF 4.

# Create VLANIF 4.

[~Device] interface Vlanif 4

# Assign an IPv6 address to VLANIF 4.

[*Device-Vlanif4] ipv6 enable

[*Device-Vlanif4] ipv6 address 2001:db8:300:400::5 64

Enable inter-VLAN proxy ND on VLANIF 4.

[*Device-Vlanif4] ipv6 nd proxy inter-access-vlan enable

[*Device-Vlanif4] quit

[*Device] commit

Configure the IPv6 addresses of hosts.
# Configure the IPv6 address of Host A as 2001:db8:300:400::1/64.

# Configure the IPv6 address of Host B as 2001:db8:300:400::2/64.

# Configure the IPv6 address of Host C as 2001:db8:300:400::3/64.

# Configure the IPv6 address of Host D as 2001:db8:300:400::4/64.
Verify the configuration.
After the configurations are complete, the hosts in sub-VLAN 2 and sub-VLAN 3 can ping each other.

Configuration Files

Device configuration file

#
sysname Device
#
vlan batch 2 to 4
#
vlan 4
 aggregate-vlan
 access-vlan 2 to 3
#
interface Vlanif4
 ipv6 enable
 ipv6 address 2001:DB8:300:400::5/64
 ipv6 nd proxy inter-access-vlan enable
#
interface GigabitEthernet0/1/1
 portswitch
 undo shutdown
 port link-type access
 port default vlan 2
#
interface GigabitEthernet0/1/2
 portswitch
 undo shutdown
 port link-type access
 port default vlan 2
#
interface GigabitEthernet0/2/1
 portswitch
 undo shutdown
 port link-type access
 port default vlan 3
#
interface GigabitEthernet0/2/2
 portswitch
 undo shutdown
 port link-type access
 port default vlan 3
#
return

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Updated: 2020-02-11

Document ID: EDOC1100126119

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This Document Applies to these Products

Networking Requirements

Configuration Roadmap

Data Preparation

Procedure

Configuration Files

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