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Nexus 5k VPC with Nexus 2k


I am designing a new DC. In server zone of DC, I want to build a topology with Nexus 5k and Nexus 2K.

Nexus 5K will be the VPC cores wheres as 2K will form VPC with 5K. 5K in turn are connected with firewall.

All servers are connected to 2K in active-standby fashion as servers are yet to be upgraded.

Servers are in 3 different VLANs 10,20 & 30 with IP address, and respectively.

Gateway for servers in VLAN 10 & 20 will be Nexus 5K whereas gateway for servers in VLAN 30 would be firewall.

No VPC between firewall and Nexus 5k nor between 2K and servers.

VLAN 30 servers traffic needs to cross the firewall to speak with other DC segments whereas VLAN 10 & 20 servers do not need to cross the firewall. VLAN 10 & 20 servers direclty speak with other segments through 5K only.

Will this topology work for VLAN 30 servers with VPC between 5K and 2k and their default gateway as firewall.

Attached sample topology for reference.

Thanks & Rgds,


  • LAN Switching and Routing
Everyone's tags (5)
Cisco Employee

Nexus 5k VPC with Nexus 2k

Yes, the firewall is cosider as orphan port. You should implement the following command on the Nexus 5000 interface toward the firewall:

vpc orphan-port suspend