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Cisco Bug: CSCvh61384 - 16.6: vfr related drops are not observed in CSR platfrom

Last Modified

Oct 30, 2019

Products (17)

  • Cisco IOS
  • Cisco 4221 Integrated Services Router
  • Cisco 4331 Integrated Services Router
  • Cisco ASR 1002-X Router
  • Cisco 4431 Integrated Services Router
  • Cisco 4321 Integrated Services Router
  • Cisco ASR 1001-X Router
  • Cisco 4451-X Integrated Services Router
  • Cisco 4351 Integrated Services Router
  • Cisco ASR 1000 Series Route Processor (RP2)
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Known Affected Releases

15.5(3)S6.16 16.6.2 Fuji-16.8.1

Description (partial)

MaxIndirectExceeded drops are observed when trying to fragment large packets or when box-to-box HA is configured.

This problem can be seen on ISR4000, ISR1100, CSR1000v, and ISRv / ENCS.  There is a slight possibility it could be seen on ASR1000, but very unlikely.  If box-to-box HA is configured, you may observe this problem on your router with impacted software versions.  Also, if a large number of fragments are reassembled into a large packet and then re-fragmented before egress, the problem may be observed.
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Bug Details Include

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