Fredrik Holmberg

Network Consultant  

Month: May 2012

IPv6 Autoconfiguration with SLAAC and NDP, how does it work?

Unlike the prehistoric IPv4 protocol which relies on DHCP servers to be able to communicate and do anything useful, the modern IPv6 protocol is much more self-sufficient and in tune with 2012.

Introducing IPv6 Stateless Address Autoconfiguration or SLAAC. Described in RFC 4862 SLAAC is a mechanism that:

“requires no manual configuration of hosts, minimal (if any) configuration of routers, and no additional servers. The stateless mechanism allows a host to generate its own addresses using a combination of locally available information and information advertised by routers”

In Apple terms; it’s like magic!

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Configuring Single-Area OSPFv3

Configuring OSPFv3 is not very different from configuring OSPF for IPv4. It’s actually simpler and much cooler since it’s running on IPv6.

Either prepare a topology using GNSparser or use this one:


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