—vPC
Allows ether-channel between 2 different devices to communicate at the same time to a single device.
Layer 2 protocol
- Configure the peer-link between the two core switches
//show vpc brief
Nexus 7K A
feature vpc
vpc domain 5
peer-switch
int eth3/25
no switch
no shut
ip add 1.1.1.1 255.255.255.0
vpc domain 5
peer-keepalive destination 1.1.1.2 source 1.1.1.1 vrf default
int port 20
switchport mode trunk
vpc peer-link
–VPC Peer
int eth3/26
channel-group 20
feature lacp
int port 10
switchport mode trunk
vpc 10
int eth1/6
channel-group 10
switch 2
feature vpc
vpc domain 5
peer-switch
int loop 1
ip add 2.2.2.2 255.255.255.0
vpc domain 5
peer-keepalive destination 1.1.1.1 source 2.2.2.2 vrf default
int port 20
switchport mode trunk
vpc peer-link
int eth1/5
channel-group 20
–VPC Member
int port 30
switchport mode trunk
vpc 30
int eth1/5
channel-group 30
switch 3
feature vpc
vpc domain 5
peer-switch
int loop 1
ip add 3.3.3.3 255.255.255.0
vpc domain 5
peer-keepalive destination 1.1.1.1 source 3.3.3.3 vrf default
int port 10
switchport mode trunk
vpc 10
int eth1/5
channel-group 10
int port 30
switchport mode trunk
vpc 30
int eth1/56
channel-group 30