Cisco Bug: CSCuq01653 - urpf is not dropping the packets for null0 routes

Last Modified

Nov 27, 2020

Products (1)

Cisco Catalyst 6000 Series Switches

Known Affected Releases

15.1(2)SY

Description (partial)

Symptom:
urpf (lose mode) not working for null0 routes.
configuration :  ip verify unicast source reachable-via any.

lose mode urpf should drop the packets if either route is not present in the routing table or if it points to null0.

Conditions:
null0 route should be present in the routing table.

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