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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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(Optional) Enabling Proxy ARP on the VLANIF Interface Corresponding to a Super-VLAN

(Optional) Enabling Proxy ARP on the VLANIF Interface Corresponding to a Super-VLAN


VLAN aggregation does not support Layer 3 communication between hosts in different sub-VLANs. To enable hosts in one sub-VLAN to communicate with hosts in another sub-VLAN or on another network over Layer 3, enable proxy ARP. After a super-VLAN and its VLANIF interface are created, proxy ARP must be enabled to allow the super-VLAN to forward or process ARP Request and Reply packets.


This configuration enables hosts in all sub-VLANs of the super-VLAN to communicate with each other. If PCs in some sub-VLANs of the super-VLAN need to communicate, see How Do I Implement Communication Between Specific Sub-VLANs in a Super-VLAN.

VLAN aggregation simplifies configurations for networks where many VLANs are configured and PCs in different VLANs need to communicate with each other.


  1. Run system-view

    The system view is displayed.

  2. Run interface vlanif vlan-id

    The view of the VLANIF interface corresponding to the super-VLAN is displayed.

  3. Run arp-proxy inter-sub-vlan-proxy enable

    Proxy ARP is enabled between sub-VLANs.

Updated: 2019-01-18

Document ID: EDOC1100038290

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