HP 6120XG HP ProCurve Series 6120 Blade Switches IPv6 Configuration Guide - Page 32
DHCPv6 (Stateful) Address Configuration, Static Address Configuration, Default IPv6 Gateway
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Introduction to IPv6 Configuration and Management traffic on a VLAN to be routed to other VLANs supporting IPv6-aware devices. (An external, IPv6-aware router is required to forward traffic between VLANs.) Multiple, global unicast addresses can be configured on a VLAN that receives RAs specifying different prefixes. DHCPv6 (Stateful) Address Configuration The IPv6 counterpart to DHCP client for IPv4 operation is DHCPv6. Global unicast addresses of any scope can be assigned, along with NTP (timep) server addressing when DHCPv6 server support is available through either of the following modes: ■ accessible on a VLAN configured on the switch ■ accessible through a connection to a router configured with DHCP relay IPv6 also allows the option of using stateless auto configuration or static configuration to assign unicast addresses to a VLAN, while using a DHCPv6 server for time server addressing. Static Address Configuration Statically configuring IPv6 addresses provides flexibility and control over the actual address values used on an interface. Also, if a statically configured linklocal address is configured on a static VLAN, the global addresses configured on the VLAN as the result of router advertisements uses the device identifier included in the link-local address. Statically configuring an IPv6 address on a VLAN enables IPv6 on the VLAN if it has not already been enabled. Note Default IPv6 Gateway Instead of using static or DHCPv6 configuration, a default IPv6 gateway for an interface (VLAN) is determined from the default router list of reachable or probably reachable routers the switch detects from periodic multicast router advertisements (RAs) received on the interface. For a given interface, there can be multiple default gateways, with different nodes on the link using different gateways. If the switch does not detect any IPv6 routers that are reachable from a given interface, it assumes (for that interface) that it can reach only the other devices connected to the interface. In IPv6 for the switches covered by this guide, the default route cannot be statically configured. Also, DHCPv6 does not include default route configuration.) 2-8