Configuring An Ipv4 Over Ipv6 Tunnel; Establishing The Configuration Task; Enabling The Service Loopback Function On An Eth-Trunk Interface - Huawei S9300 Configuration Manual

S9300&S9300E Terabit Routing Switch
Configuration Guide - IP Service
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12.3 Configuring an IPv4 over IPv6 Tunnel

This configuration task enables transmission of an IPv4 packet added with an IPv6 header on
the device configured with the IPv4/IPv6 dual stack.

12.3.1 Establishing the Configuration Task

This section describes the applicable environment, pre-configuration tasks, data preparation, and
configuration procedure for configuring an IPv6 over IPv4 tunnel.
Applicable Environment
To implement communication between IPv4 networks over the IPv6 network, configure an IPv4
over IPv6 tunnel on the border device of IPv4 and IPv6 networks.
Pre-configuration Tasks
Before configuring an IPv4 over IPv6 tunnel, complete the following tasks:
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Data Preparation
To configure an IPv4 over IPv6 tunnel, you need the following data.
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12.3.2 Enabling the Service Loopback Function on an Eth-Trunk
Interface
Context
Before enabling the service loopback function on an Eth-Trunk interface, note the following:
Issue 01 (2012-03-15)
In the IPv6 network, the encapsulated packet is transmitted to the peer border device.
Decapsulating the packet
The peer border device decapsulates the packet, removes the IPv6 packet header, and
forwards the decapsulated IPv4 packet to the remote IPv4 network.
Implementing the IP connectivity between the source and destination interfaces
Configuring IPv4 and IPv6 protocol stacks
Data
Number of the tunnel interface
Source IPv6 address or source interface of the tunnel interface
Destination IPv6 address of the tunnel interface
IPv4 address of the tunnel interface or the interface from which the IPv4 address is
borrowed
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