Symptom
Adjacency resolution for ipv4 or ipv6 packets may not be triggered with the NP counters drop reason MDF_DROP_EGR_PORT_NO_MATCH on a ASR9K router with A9K-MOD-* Line card or ASR-9001 router
Conditions
The ASR9K router under consideration is running the following releases
4.2.0, 4.2.1, 4.2.2, 4.2.3 and 4.3.0
