urpf.txt

 # R1    ---------------  R2    || there are two link via two switches.


 # ip verify unicast rechable-via rx   > apply at single interface.
 # ip verify unicast rechable-via rx allow-default         > apply at single interface.    by default rx only conside dynamic or static route.. default route does not conside. 

src > 1.1.1.1   dst> 2 2.2.2

 # access-list 101 permit icmp host 1.1.1.1 host 2.2.2.2
 # ip verify unicast rechable-via rx 101



expcetion, i want dont check my own management ip.





 # ip verify unicast rechable-via any   > used load-balance interface. we cant verify the single interface to verify such link.