Cisco Bug: CSCtc57471 - ICMP host unreachable not generated for packets sent to Null0 by PBR
Aug 10, 2017
- Cisco IOS
Known Affected Releases
12.4(15)T10 12.4(24)T1 12.4(25b) 15.2(3)S
Symptom: ICMP unreachables are not generated for packets sent to interface Null0 by a PBR policy (set interface Null0) unless CEF is disabled. e.g. interface <interface> ip policy route-map drop ! route-map drop permit 10 set interface Null0 ! Conditions: Affects any packets sent to interface Null0 by a PBR policy. Packets sent to interface Null0 by static routes are unaffected.
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