![]() deprecated - address is still valid, but is not used for new connections. ![]() The period of time of preferred state is included in the RA message. preferred - at this state address is verified as unique and node can send and receive unicast traffic to and from a preferred address.Verification occurs through duplicate address detection. tentative - in this state host verifies that the address is unique.When auto-configuration address is assigned it can be in one of the following states: If you are running a mobile node, you may want to transmit router solicitations periodically. On linux rtsol utility transmits the router solicitation packet. Optionally, the host can ask for an advertisement from the router by sending an ICMPv6 "router solicitation" packet. Global IPv6 address is generated from advertised subnet prefix and EUI-64 interface identifier. Then host catches the advertisement, and configures the global IPv6 address and the default router. Other parameters that may be optional: link MTU, default hoplimit, and router lifetime.The information is carried by ICMPv6 "router advertisement" packet, and includes following fields: RouterOS uses RADVD to periodically advertise information about the link to all nodes on the same link. ![]() It is a very simple, robust and effective autoconfiguration mechanism. It is called stateless address autoconfiguration, since there is no need to manage state in the router side.
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