>Hi,
>This is regarding sending router advertisement on the receipt of
>router solicitation.

        you keep asking (good) questions, but why?  will you plan to send
        some summary to somewhere, or put up onto web, to give feedback to
        people?  if you have no plan, i suggest you to do that.

>When an icmp message of type router solicitation is received in
>the icmp6_input(). the function calls nd6_rs_input(). This function
>inturn calls nd6_cach_lladdr().
>
>But no where in the above code rtadv related functions are called.

        from within sys/netinet6/icmp6.c:icmp6_input(), icmp6_rip6_input()
        is called.  rtadvd(8) listens to raw IPv6 socket (IPPROTO_ICMPV6)
        and accepts data through the socket.

itojun

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