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Cisco Bug: CSCuw44931 - Enhancement: vPC straight through connection with ASR.

Last Modified

Feb 08, 2017

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 7700 10-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch

Known Affected Releases

7.2(0)D1(1)

Description (partial)

Symptom:
vPC straight through connection with ASR's mLACP.

Conditions:
- vPC connect to ASR9k by mLACP
- Topology is square (w/o cross connect)
- "Active" mLACP switch is vPC primary side. 
- Customer will have outage when reload vPC role primary switch. 
- switch mLACP Active and new vPC Primary prevent linkup for new port.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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