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Cisco Bug: CSCvs95126 - NetIO drops (get_idb_failed_drops) on Skyhammer (A99-12X100GE) using QSFP-40G-LR4-S transciver

Last Modified

Sep 02, 2020

Products (11)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco ASR 9910 Router
  • Cisco ASR 9922 Router
  • Cisco IOS XR Software
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9901 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9906 Router
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Known Affected Releases

7.0.1.BASE

Description (partial)

Symptom:
packets destined to asr9k router coming in via FortyGigE (on Skyhammer cards only A99-12X100GE, A99-12X100GE-CM, A9K-4X100GE, A99-4X100GE)L3 sub-interface are dropped on incoming LC NetIO due to improper idb mapping, since input_port given to netio for mapping is incorrect value. At the same time packets coming in main interface are not affected.

Conditions:
- 1xForty breakout enabled on the cards A99-12X100GE, A99-12X100GE-CM, A9K-4X100GE, A99-4X100GE.
- packets coming into the subinterfaces of the 40G
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Known Fixed Releases
  • Related Community Discussions
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