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Cisco Bug: CSCvt69573 - Punt path lockup on NCS-5501

Last Modified

Sep 02, 2020

Products (14)

  • Cisco Network Convergence System 5500 Series
  • Cisco Network Convergence System 5504
  • Cisco Network Convergence System 55A2-MOD-HD-S
  • Cisco Network Convergence System 5502-SE
  • Cisco Network Convergence System 5508
  • Cisco Network Convergence System 5516
  • Cisco Network Convergence System 55A1-24H
  • Cisco IOS XR Software
  • Cisco Network Convergence System 5502
  • Cisco Network Convergence System 55A2-MOD-S
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Known Affected Releases

6.3.3.CE

Description (partial)

Symptom:
Inject path is working, but punt path fails. Results in ARP Incomplete. With static ARP in place, we can send ICMP, and reply is seen at Interface level, but can not be punted to the CPU.

Issue condition can be seen with the following command.

#show controller fia diagshell 0  "g CMIC_CMC0_DMA_STAT CH1_DESCRD_ADDR_DECODE_ERR" location 0/0/CPU0
Wed Apr  1 05:32:39.475 UTC
Node ID: 0/0/CPU0
CH1_DESCRD_ADDR_DECODE_ERR=1  <<< This indicates error condition

Conditions:
Only NCS-5501 is affected.
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Bug Details Include

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