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Configuration Guide - Ethernet Switching

CloudEngine 8800, 7800, 6800, and 5800 V200R003C00

This document describes the configuration of Ethernet services, including configuring MAC address table, link aggregation, VLANs, MUX VLAN, Voice VLAN, VLAN mapping, QinQ, GVRP, VCMP, STP/RSTP/MSTP, VBST, SEP, RRPP, ERPS, LBDT, and Layer 2 protocol transparent transmission.
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(Optional) Enabling Proxy ARP on the VLANIF Interface of a Super-VLAN

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

Context

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. Proxy ARP helps PCs in sub-VLANs communicate with each other at the network layer.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interface vlanif vlan-id

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

  3. Run arp proxy inter-vlan enable

    Inter-sub-VLAN proxy ARP is enabled.

    An IP address must have been assigned to the VLANIF interface corresponding to the super-VLAN. Otherwise, proxy ARP cannot take effect.

  4. Run commit

    The configuration is committed.

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Updated: 2019-05-08

Document ID: EDOC1100004351

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