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Configuration Guide - IP Service

S1720, S2700, S5700, and S6720 V200R012(C00 and C20)

This document describes the configurations of IP Service, including IP address, ARP, DHCP, DHCP policy VLAN, DNS, mDNS gateway, mDNS relay, UDP Helper, IP performance optimization, IPv6, DHCPv6, IPv6 DNS, IPv6 over IPv4 tunnel, and IPv4 over IPv6 tunnel.
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(Optional) Configuring the Gateway Detection Function on a BOOTP Client

(Optional) Configuring the Gateway Detection Function on a BOOTP Client

Context

A BOOTP client enabled with the gateway detection function sends an ARP Request packet to detect the gateway status after obtaining an IP address. If the BOOTP client receives no ARP Reply packet within the detection period, it considers the gateway address incorrect or the gateway device faulty, and then re-applies for an IP address.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number [.subinterface-number ]

    The interface view or sub-interface view is displayed.

    NOTE:

    Only the S5720EI, S5720HI, S5730HI, S6720EI, S6720HI, and S6720S-EI support sub-interfaces.

  3. (Optional) On an Ethernet interface, run undo portswitch

    The interface is switched to Layer 3 mode.

    By default, an Ethernet interface works in Layer 2 mode.
    NOTE:

    Only the S5720EI, S5720HI, S5730HI, S6720EI, S6720HI, and S6720S-EI support switching between Layer 2 and Layer 3 modes.

  4. Run dhcp client gateway-detect period period retransmit retransmit timeout time

    The gateway detection function is configured on the BOOTP client.

    By default, the gateway detection function is not configured on a BOOTP client.

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Updated: 2018-12-24

Document ID: EDOC1100038342

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