Checking The Configuration; Configuring Ipv6 Neighbor Discovery; Establishing The Configuration Task - Huawei S9300 Configuration Manual

S9300&S9300E Terabit Routing Switch
Configuration Guide - IP Service
The global unicast address is configured on the interface.
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9.3.5 Checking the Configuration

Prerequisites
All configurations of the IPv6 address are complete.
Procedure
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9.4 Configuring IPv6 Neighbor Discovery

IPv6 neighbor discovery (ND) is a packet transmission process to identify the relationship
between neighboring nodes. The Neighbor Discovery Protocol (NDP) replaces the Address
Resolution Protocol (ARP), ICMP Device Discovery messages, and ICMP Redirect messages,
and introduces neighbor reachability detection.

9.4.1 Establishing the Configuration Task

This section describes the applicable environment, pre-configuration tasks, data preparation, and
configuration procedure for IPv6 neighbor discovery.
Applicable Environment
After an IPv6 address is configured for a node, the node checks whether this address can be used
and does not conflict with any other address. If a node is a host, a router needs to notify the host
of the optimal next hop address of a packet to be sent by the host to a specific destination. If a
node is a router, it needs to advertise its address, address prefix, and other configuration
parameters to instruct hosts to configure parameters. During IPv6 packet forwarding, a node
needs to know the neighboring nodes' link-layer addresses and check their reachability. The
Neighbor Discovery (ND) function can be used to meet the requirements.
Most of the ND configurations are implemented based on the interfaces.
Pre-configuration Tasks
Before configuring IPv6 neighbor discovery, complete the following tasks:
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Issue 01 (2012-03-15)
Run the display ipv6 interface [ interface-type interface-number | brief ] command to
check IPv6 information about the interface.
Run the display ipv6 statistics command to view statistics on IPv6 packets.
NOTE
Though the POS interfaces can be configured with IPv6 ND-related commands, packet sending or packet
forwarding on these interfaces actually do not require neighbor entries.
Configuring the physical features for the interface and ensuring that the status of the
physical layer of the interface is Up
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9 Basic Configurations of IPv6
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