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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 an IPv6 over IPv4 Manual Tunnel

Configuring an IPv6 over IPv4 Manual Tunnel


An IPv6 over IPv4 manual tunnel functions like a permanent link between two IPv6 islands, ensuring stable connection between the two IPv6 networks.

An IPv6 over IPv4 manual tunnel needs to be configured on both ends of the tunnel.

  • The tunnel source address (or source interface) and destination address must be configured.

  • IPv6 addresses must be configured for tunnel interfaces and routes with the tunnel interfaces as outbound interfaces must be configured so that devices on the two IPv6 networks can communicate through the IPv6 over IPv4 manual tunnel.

On a tunnel, to ensure priorities of different services, configure a DiffServ mode so that packets in different queues are scheduled based on CoS values. For the detailed configuration procedure, see Configuring Priority Mapping on a Tunnel in the CloudEngine 12800 and 12800E Series Switches Configuration Guide - VPN.


  1. Run system-view

    The system view is displayed.

  2. Run interface tunnel interface-number

    A tunnel interface is created.

  3. Run tunnel-protocol ipv6-ipv4

    The tunnel mode is set to IPv6 over IPv4 manual tunnel.

  4. Run source { source-ip-address | interface-type interface-number }

    A source address or source interface is specified for the tunnel.

  5. Run destination dest-ip-address

    A destination address is specified for the tunnel.

  6. Run ipv6 enable

    IPv6 is enabled on the tunnel interface.

  7. Run ipv6 address { ipv6-address prefix-length | ipv6-address/prefix-length }

    An IPv6 address is configured for the tunnel interface.

  8. Run quit

    Return to the system view.

  9. Choose either of the following methods to configure routes with tunnel interfaces as outbound interfaces:

    • Run the ipv6 route-static dest-ipv6-address prefix-length tunnel interface-number [ nexthop-ipv6-address ] [ preference preference | tag tag ] * [ bfd enable | track { bfd-session cfg-name | nqa admin-name test-name } ] [ description text ] command to configure static routes.
    • Configure dynamic routes. You can configure dynamic routes using the Interior Gateway Protocol (IGP) or Exterior Gateway Protocol (EGP). The Intermediate System to Intermediate System for IPv6 (IS-ISv6) protocol cannot be used to configure dynamic routes. For the configuration of dynamic routes, see the CloudEngine 12800 and 12800E Series Switches Configuration Guide - IP Routing.

  10. Run commit

    The configuration is committed.

Updated: 2019-04-18

Document ID: EDOC1100039535

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