reverse path forwarding
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... o Ingress Access Lists
o Strict Reverse Path Forwarding
o Feasible Path Reverse Path Forwarding ...
... Reverse Path Forwarding
o Feasible Path Reverse Path Forwarding
o Loose Reverse Path Forwarding ...
... Strict Reverse Path Forwarding ...
... check.
Strict Reverse Path Forwarding is a very reasonable approach in front
of any kind of edge network ...
... filter.
But Strict Reverse Path Forwarding has some problems of its own.
First, the test is only applicable in places where routing is
...
... Feasible Path Reverse Path Forwarding ...
... Loose Reverse Path Forwarding ...
... route exists.
Loose Reverse Path Forwarding has problems, however. Since it
sacrifices directionality, it loses the ability to limit an edge
...
... Loose Reverse Path Forwarding Ignoring Default Routes ...