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Configuration Guide - IP Service

CloudEngine 12800 and 12800E V200R005C00

This document describes the configurations of IP Service, including IP address, ARP, DHCP, DNS, IP performance optimization, IPv6, DHCPv6, and IPv6 DNS.
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Configuring Static Neighbors

Configuring Static Neighbors

You can obtain the mappings between IPv6 addresses and MAC addresses of neighbors after configuring static neighbors. Neighbor entries represent the mappings between IPv6 addresses and MAC addresses of neighbors. If a device is not enabled to send ND protocol packets, it cannot obtain neighbor entries. In this case, you can configure static neighbors on the device to obtain neighbor entries.


  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The interface view is displayed.

  3. 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.

    The mode switching function takes effect when the interface only has attribute configurations (for example, shutdown and description configurations). Alternatively, if configuration information supported by both Layer 2 and Layer 3 interfaces exists (for example, mode lacp and lacp system-id configurations), no configuration that is not supported after the working mode of the interface is switched can exist. If unsupported configurations exist on the interface, delete the configurations first and then run the undo portswitch command.


    If many Ethernet interfaces need to be switched to Layer 3 mode, run the undo portswitch batch interface-type { interface-number1 [ to interface-number2 ] } &<1-10> command in the system view to switch these interfaces to Layer 3 mode in batches.

  4. Run ipv6 enable

    The IPv6 function is enabled.

    By default, the IPv6 function is disabled on an interface.

  5. Run any of the following commands:

    • To configure a static neighbor on a common Layer 3 interface, run the ipv6 neighbor ipv6-address mac-address command.

    • To configure a static neighbor on a VLANIF interface, run the ipv6 neighbor ipv6-address mac-address vlan vlan-id interface-type interface-number command.

    • To configure a static neighbor on a sub-interface for dot1q VLAN tag termination, run the ipv6 neighbor ipv6-address mac-address vid vid[ cevid cevid ] command.

  6. Run commit

    The configuration is committed.

Updated: 2019-04-18

Document ID: EDOC1100039535

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