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Cisco Bug: CSCua83456 - "MODIFY_INGRESS_DROP_CNT" increase by encapsulating packet with GRE

Last Modified

Jan 10, 2017

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

4.0.3.BASE

Description (partial)

Symptom:
"MODIFY_INGRESS_DROP_CNT" increase by encapsulating packet with GRE at ingress NP

RP/0/RSP0/CPU0:SB9006B_AG#show controllers np counters all location 0/0/cpu0
//snip//
  36  MODIFY_INGRESS_DROP_CNT                                   15           0 <<<
 596  GRE_ING_ENCAP_PRS_P2                                      15           0 <<<

RP/0/RSP0/CPU0:SB9006B_AG#show controllers np counters all location 0/0/cpu0
//snip//
  36  MODIFY_INGRESS_DROP_CNT                                   20           1 <<<
 596  GRE_ING_ENCAP_PRS_P2                                      20           1 <<< increase

Conditions:
- Cofinguring the GRE on I/F
- Encapsulating GRE header in packet
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