One Comment on “which purpose are router solicitation and router advertisement used?”

1. Yzzy says:

   June 2, 2016 at 8:05 am

   https://tools.ietf.org/html/rfc4861

   Router Solicitation: When an interface becomes enabled, hosts may
   send out Router Solicitations that request routers to
   generate Router Advertisements immediately rather than
   at their next scheduled time.

   Router Advertisement: Routers advertise their presence together
   with various link and Internet parameters either
   periodically, or in response to a Router Solicitation
   message. Router Advertisements contain prefixes that
   are used for determining whether another address shares
   the same link (on-link determination) and/or address
   configuration, a suggested hop limit value, etc.

   
   
   
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