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CLI-based Configuration Guide - Security

AR500, AR510, AR531, AR550, AR1500, and AR2500 V200R010

This document provides the basic concepts, configuration procedures, and configuration examples in different application scenarios of the network management feature supported by the device.
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Licensing Requirements and Limitations for DHCP Snooping

Licensing Requirements and Limitations for DHCP Snooping

Involved Network Elements

Other network elements are not required.

Licensing Requirements

DHCP snooping is a basic feature of a device and is not under license control.

Feature Limitations

When deploying DHCP snooping on a device, pay attention to the following:
  • 8ES2G, 8ES2GS cards do not support DHCP snooping.

  • Among the AR500 series routers, only the AR503GW-LM7, AR503GW-LcM7, AR509G-L-D-H, AR509GW-L-D-H, AR503HGW-L, AR503HGW-Lc, AR503GW-Lo, and AR509G-Lc devices support DHCP snooping.

  • Among the AR510 series routers, only the AR515GW-LM9-Dand AR515CGW-L devices support DHCP snooping.

  • Among the AR550 series routers, only the AR550E, AR550-8FE-D-H, and AR550-24FE-D-H devices support DHCP snooping.

  • Among the AR500 series routers, only the AR503EDGW-Lc, AR503EQGW-L, AR503EDGW-Lo, AR503EDGW-Lc3 and AR503EW devices support DHCPv6 snooping.

  • Among the AR510 series routers, only the AR515CGW-L devices support DHCPv6 snooping.

  • Among the AR550 series routers, only the AR550E devices support DHCPv6 snooping.

  • AR530 series routers do not support DHCPv6 snooping.

  • DHCPv4 snooping can be configured on a Layer 2 access device and the first-hop DHCPv4 relay agent.
  • The DHCP-triggered ARP learning function applies only to wired users and wireless users do not support this function.
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Updated: 2019-05-20

Document ID: EDOC1100034236

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