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Introduction to IPv6
Migrating to IPv6
Migrating to IPv6
To successfully migrate to IPv6 involves maintaining compatibility with the
large installed base of IPv4 hosts and routers for the immediate future. To
achieve this purpose, software release K.13.01 supports dual-stack (IPv4/IPv6)
operation and connectons to IPv6-aware routers for routing IPv6 traffic
between VLANs and across IPv4 networks.
Note Software release K.13.01 supports traffic connections with IPv6-aware
routers, but does not support IPv6 routing operation in the switches covered
by this guide.
Beginning with software release K.13.01, the switches covered by this guide
support the following IPv6 protocol operations:
■ receiving IPv6 traffic addressed to the switch
■ transmitting IPv6 traffic originating on the switch
■ switching IPv6 traffic between IPv6 devices connected to the switch on
the same VLAN
■ concurrent (dual-stack) operation with IPv4 traffic and devices on the
same VLAN
■ using a connection to an external, IPv6-configured router, forward IPv6
traffic intended for devices on other VLANs and for traffic that must
traverse an IPv4 network to reach an IPv6 destination
Figure 2-1. Dual-Stack ProCurve Switches Employed in an IPv4/IPv6 Network
IPv4 Network
IPv6/IPv4
Router
IPv6/IPv4
Router
ProCurve
Switch Running
Release K.13.01
ProCurve
Switch Running
Release K.13.01
IPv6/IPv4
Router
IPv6-Capable
DNS Server
DHCPv6
Server
H1
H3
H2
H4
H6
H5