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1.11.4 Example for Configuring Inter-VLAN Proxy ARP
Networking Requirements
As shown in Figure 1-4, sub-VLANs VLAN 2 and VLAN 3 compose super-VLAN 4.
Hosts in VLAN 2 and VLAN 3 cannot ping each other.
To implement communication between hosts in VLAN 2 and VLAN 3, configure inter-VLAN
proxy ARP.
Figure 1-4 Network diagram for configuring inter-VLAN proxy ARP
VLAN2 VLAN3
VLAN4
Router
VLAN2 VLAN3
Configuration Roadmap
The configuration roadmap is as follows:
1. Create and configure the super-VLAN and sub-VLANs.
2. Add interfaces to the sub-VLANs.
3. Create a VLANIF interface corresponding to the super-VLAN and assign an IP address to
the VLANIF interface.
4. Enable inter-VLAN proxy ARP.
Data Preparation
To complete the configuration, you need the following data:
l IDs of the super-VLAN and sub-VLANs
l Sub-VLAN 2 that Ethernet0/0/0 and Ethernet0/0/1 belong to
l Sub-VLAN 3 that Ethernet0/0/2 and Ethernet0/0/3 belong to
Huawei AR150&200 Series Enterprise Routers
Configuration Guide - IP Service 1 ARP Configuration
Issue 02 (2012-03-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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