HP 6120XG HP ProCurve Series 6120 Blade Switches IPv6 Configuration Guide - Page 30

Use Model, Adding IPv6 Capability, Supported IPv6 Operation

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Introduction to IPv6 Use Model Use Model Adding IPv6 Capability IPv6 was designed by the Internet Engineering Task Force (IETF) to improve on the scalability, security, ease of configuration, and network management capabilities of IPv4. IPv6 provides increased flexibility and connectivity for existing networked devices, addresses the limited address availability inherent in IPv4, and the infrastructure for the next wave of Internet devices, such as PDAs, mobile phones and appliances. Where IPv4 networks exist today, IPv6 will be phased in over a period of years, requiring an interoperability among the devices using the two protocols. The switches covered by this guide support IPv4/IPv6 dual stack operation. This allows full ethernet link support for both IPv4 and IPv6 traffic to move on the same interface (VLAN) without modifying current IPv4 network topologies. This enables you to use IPv6 devices on existing VLANs, manage the switch and other devices from IPv6 management stations, and create groups of dedicated IPv6 devices as needed to accommodate the anticipated IPv6 network growth. Supported IPv6 Operation The software provides IPv6 protocol and addressing to support host-mode (endpoint) IPv6 operation, including basic layer-2 functionality. IPv6 routing features are not available in this release. However, using a dual-stack (IPv4/ IPv6-capable) router, IPv6 traffic can be routed between VLANs and sent across an IPv4 network to another IPv6 device. (For general information on sending IPv6 traffic across an IPv4 network, refer to "Connecting to Devices Supporting IPv6 Over IPv4 Tunneling" on page 2-5.) The next three sections outline the IPv6 features supported in the software. These features are categorized as follows: ■ configuration and management ■ security ■ IPv6 multicast traffic ■ diagnostic and troubleshooting 2-6

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2-6
Introduction to IPv6
Use Model
Use Model
Adding IPv6 Capability
IPv6 was designed by the Internet Engineering Task Force (IETF) to improve
on the scalability, security, ease of configuration, and network management
capabilities of IPv4.
IPv6 provides increased flexibility and connectivity for existing networked
devices, addresses the limited address availability inherent in IPv4, and the
infrastructure for the next wave of Internet devices, such as PDAs, mobile
phones and appliances.
Where IPv4 networks exist today, IPv6 will be phased in over a period of years,
requiring an interoperability among the devices using the two protocols. The
switches covered by this guide support IPv4/IPv6 dual stack operation. This
allows full ethernet link support for both IPv4 and IPv6 traffic to move on the
same interface (VLAN) without modifying current IPv4 network topologies.
This enables you to use IPv6 devices on existing VLANs, manage the switch
and other devices from IPv6 management stations, and create groups of
dedicated IPv6 devices as needed to accommodate the anticipated IPv6
network growth.
Supported IPv6 Operation
The software provides IPv6 protocol and addressing to support host-mode
(endpoint) IPv6 operation, including basic layer-2 functionality. IPv6 routing
features are not available in this release. However, using a dual-stack (IPv4/
IPv6-capable) router, IPv6 traffic can be routed between VLANs and sent
across an IPv4 network to another IPv6 device.
(For general information on sending IPv6 traffic across an IPv4 network, refer
to “Connecting to Devices Supporting IPv6 Over IPv4 Tunneling” on page 2-5.)
The next three sections outline the IPv6 features supported in the software.
These features are categorized as follows:
■
configuration and management
■
security
■
IPv6 multicast traffic
■
diagnostic and troubleshooting