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Cisco Bug: CSCup85222 - Nexus 7000 VPC secondary HSRP Active Not Replying to ARP Requests

Last Modified

Sep 09, 2019

Products (8)

  • 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 7000 18-Slot Switch
  • Cisco Nexus 7700 18-Slot Switch
  • Cisco Nexus 7700 10-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch

Known Affected Releases


Description (partial)

A host may not be able to resolve ARP for their HSRP GW if it is single-homed to a VPC secondary device with dual-active exclude interface-vlan configured for the SVI that hosts the HSRP VIP.

- Nexus 7000s in VPC.
- Peer-keepalive up, peer-link down.
- Dual-active exclude interface-vlan is configured for the SVI.
- No other L2 route between the VPC peers for the Vlan.
- VPC secondary is HSRP active
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Bug Details Include

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