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Cisco Bug: CSCuw25153 - Traffic loss during HSRP Recovery

Last Modified

Feb 22, 2018

Products (9)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 4-Slot Switch
  • Cisco Nexus 7700 6-Slot Switch
  • Cisco Nexus 7700 18-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7700 2-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch
  • Cisco Nexus 7700 10-Slot Switch

Known Affected Releases

6.2(13)S8 7.0(3)I4(0.15) 7.2(0)D1(1)

Description (partial)

HSRP is configured on 2 Nexus 7700, one is active and the other one is standby.
When the link on the active one is down, the standby one will take over the role of the active one. However, after the link is up, when the original active one try to take back the role, there will be a traffic loss of more than 1s. This issue occurs once in 30 trials.

Symptom:
HSRP is configured on 2 Nexus 7700, one is active and the other one is standby.
When the link on the active one is down, the standby one will take over the role of the active one. However, after the link is up, when the original active one try to take back the role, there will be a traffic loss of more than 1s. This issue occurs once in 30 trials.

Conditions:
Hsrp sessions over BFD and we need to keep on doing shut and no shut
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Bug Details Include

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  • Status
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