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Configuration Guide - IP Service

S2720, S5700, and S6720 V200R013C00

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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Configuring a Primary IP Address for an Interface

Configuring a Primary IP Address for an Interface

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type 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 Ethernet sub-interfaces.

    • Only hybrid and trunk interfaces on the preceding switches support Ethernet sub-interface configuration.
    • After you run the undo portswitch command to switch Layer 2 interfaces on the preceding series of switches into Layer 3 interfaces, you can configure Ethernet sub-interfaces on the interfaces.

    • After an interface is added to an Eth-Trunk, sub-interfaces cannot be configured on the interface.

    • VLAN termination sub-interfaces cannot be created on a VCMP client.

  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 ip address ip-address { mask | mask-length }

    A primary IP address is configured for the interface.

    By default, no IP address is configured for an interface.

    Each interface has only one primary IP address. If you configure a new primary IP address for an interface, the original one is deleted and the new primary IP address takes effect.

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Updated: 2019-04-20

Document ID: EDOC1100065678

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