Dell PowerConnect M6220 User's Guide - Page 30
IPv6
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IPv6 Routing Features IPv6 6 to 4 Auto Tunnels Automatically formed IPv4 6 to 4 tunnels for carrying IPv6 traffic. The automatic tunnel IPv4 destination address is derived from the 6 to 4 IPv6 address of the tunnel nexthop. There is support the functionality of a 6 to 4 border router that connects a 6 to 4 site to a 6 to 4 domain. It sends/receives tunneled traffic from routers in a 6 to 4 domain that includes other 6 to 4 border routers and 6 to 4 relay routers. DHCPv6 DHCPv6 incorporates the notion of the "stateless" server, where DHCPv6 is not used for IP address assignment to a client, rather it only provides other networking information such as DNS, Network Time Protocol (NTP), and/or Session Initiation Protocol (SIP) information. OSPFv3 OSPFv3 provides a routing protocol for IPv6 networking. OSPFv3 is a new routing component based on the OSPF version 2 component. In dual stack IPv6, you can configure and use both OSPF and OSPFv3 components. IPv6 Routes Since IP4 and IPV6 can coexist on a network, the router on such a network needs to forward both traffic types. Given this coexistence, the PowerConnect M6220/M6348/M8024 maintains two routing tables, rto and rto6, which are both capable of forwarding over the same set of interfaces. IPV6 interfaces are managed in a manner similar to IPV4 interfaces. IPv6 IPv6 Route Configuration Enhancements The route configuration and route preference features have the following changes: You can configure static reject routes. The default values for route preferences have changed as follows: • OSPFv3 Intra - 110 • OSPFv3 Inter - 110 • OSPFv3 External - 110 OSPF Type-1 and OSPF Type-2 routes are now classified as OSPF External routes. 28 Introduction