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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


Description (partial)

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.

null0 route should be present in the routing table.
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