Where is the edge of the Internet?

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$author = "alok" ;
> 
> you can't if its a valid internet address...can you?

depends on what you mean by "valid". 

- does "valid" = any 32 bit dotted quad?
- does "valid" = any IP not in 1918 space?
- does "valid" = any IP that the routing table has an entry for?
- does "valid" = packets from this IP came in the interface i would send
  packets out of to reach that IP?


> but that isnt the case here is it...some of ur internal core
> routers may not have every router running bgp, so what do u do for such
> scenarios..u default route it to a  bgp router....im missing your point.....

"loose" RPF on routers without full tables makes little sense. you choose
where to filter carefully and avoid the pitfalls you keep raising...

marty

--
"No GUI for you! Use lynx!!!, Come back, One year!"

/avant

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