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Updates to the Demonstrate IPv6 TLG and addressing guidelines for the Contoso Corporation

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Hey TLG fans,

I just updated the Demonstrate IPv6 TLG, its associated extensions (DHCPv6, IPv6-only), and the IPv6-only mini-module to use the 2001:db8::/64 prefix for the Corpnet subnet, rather than 2001:db8:0:1::/64.

This change was made so that IPv4 and IPv6 addressing for the sites and subnets of the Contoso Corporation are consistent, which is based on the following:

  • For IPv4 addresses, the prefixes assigned to subnets of the Contoso Corporation have the following structure: 10.site.subnet.0/24. For addressing simplicity for configurations that require only the Corpnet subnet, the initial site and subnet numbers are 0 and and subsequent sites and subnets start with 2. Therefore, the IPv4 prefix for the Corpnet subnet (the initial subnet in the initial site) is 10.0.0.0/24. The Corpnet2 subnet in the initial site, as used in the Demonstrate IPv6 TLG, is the second subnet in the initial site and assigned the IPv4 prefix 10.0.2.0/24.
  • For IPv6 addresses, the prefixes assigned to subnets of the Contoso Corporation have the following structure: 2001:db8:site.subnet::/64. Therefore, the IPv6 prefix for the Corpnet subnet (the initial subnet in the initial site) is 2001:db8::/64. The Corpnet2 subnet in the initial site, as used in the Demonstrate IPv6 TLG, is the second subnet in the initial site and assigned the IPv6 prefix 2001:db8:0:2::/64.

If you are creating TLGs with additional sites for the Contoso Corporation, please use these addressing guidelines.

Keep on testing...

Joe Davies
Principal Technical Writer

For more information about TLGs, see Test Lab Guides in the TechNet Wiki.

Comments

  • Anonymous
    January 01, 2003
    Excellent suggestions! Thanks! Tom