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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 Attributes for a DHCP Client

(Optional) Configuring Attributes for a DHCP Client

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run dhcp client class-id class-id

    The DHCP client is configured to send DHCP Discovery messages that carry the Option 60 field.

    By default, the value of the Option 60 field is in the format of "huawei-device model"

    Option 60 identifies the vendor type and configuration of a DHCP client. Vendors can define the Option 60 field to convey specified identification information or configurations of clients to DHCP servers.

  3. 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.

  4. (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.

  5. Run dhcp client hostname hostname

    A host name is configured for the DHCP client.

    By default, no host name is configured for a DHCP client.

    A host name allows access to a DHCP client through a domain name. A domain name consists of a host name and domain name suffix.

  6. Run dhcp client client-id client-id

    An identifier is configured for the DHCP client.

    By default, a client's MAC address is used as its identifier.

    Client identifier information is entered in the Option 61 field to uniquely identify the DHCP client.

  7. Run dhcp client class-id class-id

    The DHCP client is configured to send DHCP Discovery messages that carry the Option 60 field.

    By default, the Option 60 field is not configured.

    The Option 60 field can be configured in the system view and in the interface view. The configuration in the interface view has a higher priority than that in the system view. That is, if the Option 60 field is configured in both views, the configuration in the interface view takes effect.

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Updated: 2018-12-24

Document ID: EDOC1100038342

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