Cisco Cisco IOS Software Release 12.4(4)T Données agrégées
Product Bulletin
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
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Benefits
●
Router interface addresses are generated in a way that the ownership can be verified by a
third party
third party
●
Received address ownership is dynamically verified; Only validated neighbors are inserted
into the Neighbor Discovery cache
into the Neighbor Discovery cache
●
Router Advertisement content is dynamically verified, so no one can pretend to be a valid
router on a link without a valid matching X.509 certificate
router on a link without a valid matching X.509 certificate
Hardware
Routers
● Cisco 800, 1800, 3800, 7200, 7301 Series Routers
Product Management Contact:
Benoit Lourdelet (
2.2.2) DHCPv6 Individual Address Assignment
At the heart of the IP address distribution architecture for IPv4, DHCP has been selected by the
IPv6 community to fulfill similar functions. While stateless address auto-configuration is mandated
by IPv6 specifications, there is a business demand to have DHCP offer stateful address and prefix
delegation in an easily deployable fashion (VoIPv6 for instance).
At the heart of the IP address distribution architecture for IPv4, DHCP has been selected by the
IPv6 community to fulfill similar functions. While stateless address auto-configuration is mandated
by IPv6 specifications, there is a business demand to have DHCP offer stateful address and prefix
delegation in an easily deployable fashion (VoIPv6 for instance).
The new feature of allocating individual addresses is now supported for Client, Server and Relay
functions.
functions.
Figure 8.
DHCPv6 Individual Address Assignment Topology