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Cisco Bug: CSCuo01579 - PIM neighbors flap with aggressive timers for 50 neighbors under load

Last Modified

Aug 28, 2020

Products (7)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 9516 Switch
  • Cisco Nexus 9396PX Switch
  • Cisco Nexus 9504 Switch
  • Cisco Nexus 3164Q Switch
  • Cisco Nexus 9508 Switch
  • Cisco Nexus 93128TX Switch

Known Affected Releases

6.1(2)I2(1) 6.1(2)I2(2a)

Description (partial) 

Symptom:
PIM neighbor adjacencies may flap when using aggressive PIM timers (1 second) for over 50 PIM neighbors.

Conditions:
When PIM aggressive timers are configured for more than 50 neighbors and new multicast state is created under scale the PIM neighbors may flap.
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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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