The default route is the path toward all those networks which have no other matching routes defined. What a boring definition :-(. Let me try again: “The default route will take you to the unexplored areas of the divine Internet!”, or: “Follow the default route to eternity!”. Back to earth, ::/0 represents everything out there (except for the historic IPv4 stuff). Where does the route for ::/0 come from?

I was discussing a few options for generation of the default route in BGP, but did not pay much attention to the origin of the default route. How is this route created and put into the routing table? Read the rest of this entry »