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Web-based Configuration Guide

AR650, AR1600, and AR6100 V300R003

This document describes how to configure and maintain your routers using the web platform.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
ND

ND

Context

The Neighbor Discovery Protocol (NDP) is one important IPv6 basic protocol. NDP replaces the Address Resolution Protocol (ARP) of IPv4 and the Internet Control Message Protocol (ICMP) Router Discovery Protocol. NDP uses ICMPv6 packets to implement address resolution, neighbor tracking, duplicate address detection (DAD), router discovery, and redirection.

A host must obtain the MAC address of a target host to communicate with the target host. A device can dynamically generate neighbor entries using ND or be configured with static neighbor entries.

Procedure

  • Creating a static ND entry
    1. Log in to the web platform and choose IP Service > ND. The ND page is displayed, as shown in Figure 13-19.

      Figure 13-19  ND page

    2. Click Create. In the Create Static ND Entries dialog box that is displayed, set parameters to configure static ND entries. Table 13-23 describes the parameters.

    3. Click OK. Static ND entries are configured.

      NOTE:

      A maximum of 700 static ND entries can be configured in web mode.

      Table 13-23  Parameters for creating static ND entries

      Parameter

      Description

      IPv6 address

      IPv6 address of a neighbor.

      MAC address

      MAC address of a neighbor.

      Outbound interface

      Outbound interface in the static ND entry. Click and use either of the following methods to select an outbound interface in the Select Interface dialog box:
      • Enter a keyword in the Interface name text box, and click Search. Select an interface in the Interface Name area, and click OK.
      • Select an interface in the Interface Name area, and click OK.

      VLAN ID

      This parameter is displayed when an Ethernet subinterface is configured as the outbound interface and a VLAN ID is configured. For details about how to configure an Ethernet subinterface, see Ethernet Interface.

      Layer 2 interface

      When a VLANIF interface is configured as the outbound interface, you must specify a physical interface for the outbound interface. Click and use either of the following methods to select a Layer 2 interface in the Select Interface dialog box:
      • Enter a keyword in the Interface name text box, and click Search. Select an interface in the Interface Name area, and click OK.
      • Select an interface in the Interface Name area, and click OK.
      NOTE:
      Only Layer 2 interfaces added to VLANs are displayed in the interface list. For details about how to add interfaces to VLANs, see VLAN Interface.

  • Deleting an ND entry
    1. Log in to the web platform and choose IP Service > ND. The configured static ND entries or dynamically generated ND entries are displayed on the ND page.
    2. Select the check box of the required ND entry and click Delete.
    3. In the dialog box that is displayed, click OK.
  • Updating an ND entry
    1. Log in to the web platform and choose IP Service > ND. The configured static ND entries or dynamically generated ND entries are displayed on the ND page.
    2. Click Refresh. ND entries are updated.
  • Querying an ND entry
    1. Log in to the web platform and choose IP Service > ND. The configured static ND entries or dynamically generated ND entries are displayed on the ND page.
    2. Set Search item as follows:

      • Select Type from the first drop-down list box and Static or Dynamic from the second drop-down list box, and click Search. ND entries meeting the search criteria are displayed.
      • Select IPv6 address from the Search item drop-down list box and enter an IPv6 address in the text box, enter an IPv6 address, and click Search. ND entries meeting the search criteria are displayed.
      • Select MAC address from the Search item drop-down list box and enter an IPv6 address in the text box, enter a MAC address, and click Search. ND entries meeting the search criteria are displayed.

      Table 13-24 describes the parameters.

      Table 13-24  ND entry parameters

      Parameter

      Description

      Type

      Type of ND entries.
      • Static: manually created ND entries
      • Dynamic: automatically generated ND entries

      IPv6 Address

      IPv6 address in ND entries.

      MAC Address

      MAC address in ND entries.

      VLAN ID(Outer/Inner)

      Inner and outer VLAN IDs of the outbound interface.

      Outbound Interface

      Outbound interface in ND entries.

      Status

      ND entry status:
      • INCMP: indicates that the neighbor is unreachable. In this state, the device is parsing the neighbor's MAC address. If the device parses the address successfully, the device sets the ND entry status to REACH.
      • REACH: indicates that the neighbor is reachable. In this state, the neighbor is reachable within a specified period of time (30s by default). If the ND entry is not used when the specified period of time is reached, the ND entry enters the STALE state.
      • STALE: indicates that whether the neighbor is reachable is unknown. The neighbor is not used within the specified period of time (30s by default). The device detects whether the neighbor is reachable only when the device wants to send packets to the neighbor.
      • DELAY: indicates that whether the neighbor is reachable is unknown. In this state, the device has sent neighbor solicitation (NS) packets to the neighbor. If the device does not receive any response within the specified period of time, the device sets the ND entry status to PROBE. If the device receives a response, the device sets the ND entry status to REACH.
      • PROBE: indicates that whether the neighbor is reachable is unknown. In this state, the device sends NS packets to the neighbor at a specified interval to detect whether the neighbor is reachable. If the device receives a response within the specified period of time, the device sets the ND entry status to REACH. If the device does not receive any response within the specified period of time, the device sets the ND entry status to INCMP.

      Reachability Period

      Period of time after an ND entry is generated.

      This parameter is valid only for dynamic ND entries.

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Updated: 2019-04-12

Document ID: EDOC1100041803

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