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Cisco Bug: CSCvh63530 - Sometimes MPLS traffic drops are seen with ECMP loadbalance towards core with port deletion/addition

Last Modified

Nov 27, 2019

Products (163)

  • Cisco Catalyst 9500 Series Switches
  • Cisco Catalyst 3650-24TD-S Switch
  • Cisco Catalyst 3850-24U-L Switch
  • Cisco Catalyst 3650-48FS-S Switch
  • Cisco Catalyst 3850-16XS-S Switch
  • Cisco 4221 Integrated Services Router
  • Cisco Catalyst C9500-16X-E Switch
  • Cisco Catalyst C9500-32QC-E Switch
  • Cisco Catalyst 9410R Switch
  • Cisco Catalyst 3650-48FQM-L Switch
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Known Affected Releases

16.6.3 16.8.1 16.9.1 Everest-16.6.1 Fuji-16.9.1

Description (partial)

Symptom:
Traffic drops are seen in MPLS core during imposition, with L2 VPN, L3 VPN when MPLS core has multiple ECMP paths

Conditions:
Seen during deletion and addition of  ECMP paths in MPLS core
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Bug Details Include

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