show ip route
Syntax
show ip routeDescription
Show if logging is enabled for the blackhole route.
show ip route
Switch# show ip route IP Route Entries Destination Gateway VLAN Type Sub-Type Metric Dist. ------------------ --------------- ---- --------- ---------- ---------- ----- 20.20.20.2/32 blackhole static 1 1
show ipv6 route
show ipv6 route Destination/ Gateway T ST Distance Metric ----------------------------------------------- --- --- ---------- ---------- 2001::2/128 blackhole S NA 1 1