VPC Dual-Home Toplogy

This is the continue of Fex project.

1. Enable VPc and LACP features.

 N5k-1#conf
 N5K-1(config)#feature vpc
 N5K-1(config)#feature lacp
 N5K-1(config)#end

2.Configure the management IP interface and default route to Nexus 5020 #2

 N5k-1#config t
 N5K-1(config)#interface mgmt 0
 N5K-1(config)#ip address 192.168.111.1/24
 N5K-1(config)#vrf context managemnt
 N5K-1(config)#feature vpc
 N5K-1(config)#feature lacp
 N5K-1(config-vrf)#ip route 0.0.0.0/0 192.168.111.2
 N5K-1(config-vrf)#end

3.Create VPC domain
   Configure the VPC peer-keepalive  link using the management interface.

 N5k-1#config t
 N5K-1(config)#vpc domain 192
 N5K-1(config-vpc-domain)#peer-keepalivce destination 192.168.111.2
 N5K-1(config-vpc-domain)#end 

Notice A vpc pair can use either the management interface or SVIs to set up the keepalive link. but this time we use the management interface.

Notice we need to configure Keepalive link first before configuring VPC peer link. 

4.Configure The VPC peer link as per the vPC/layer 2+3 diagram, allowing VLANs 1, 111, and192.

 N5k-1(config)#interface e1/17-20
 N5K-1(config-if-range)#channel-group 1 mode active 
 N5K-1(config-if-range)#interface po1
 N5K-1(config-if)#vpc peer-link
 N5K-1(config-if)#switchport mode trunk
 N5K-1(config-if)#swicthport trunk allowed vlan 1,111,192
 N5K-1(config-if)#end

5. Reconfigure Portchannel 100 for VPC 100

 N5k-1#config t
 N5K-1(config)#int po100
 N5K-1(config-if)#vpc 100
 N5K-1(config-if)#end

                                          Let configure on SW 5k number 2

1.basic configure on N5k-2

 switch#conf t
 switch(config)#hostname N5K-2
 N5K-2(config)#line console
 N5K-2(config)#logging synchronized
 N5K-2(config)#exec-timeout 0 0
 
 N5K-2(config)#feature vtp
 N5K-2(config)#feature interface-vlan
 N5K-2(config)#feature fex
 N5K-2(config)#feature vpc
 N5K-2(config)#feature fex
 
 N5K-2(config)#vtp mode transparent
 N5K-2(config)#Vtp domain name Cisco1
 N5K-2(config)#Vtp password SWtest

2.Configure VLAN and SVI interface.

 N5K-2(config)#Vlan 1,111
 N5K-2(config-vlan)#vlan 192 
 N5K-2(config-vlan)#name SERVER
 N5K-2(config-vlan)#interface vlan111
 N5k-2(config)#ip address 172.16.111.20/24
 N5k-2(config)#no shut

3.Set up FEX

 N5K-2(config)#fex 100
 N5K-2(config-fex)#description FEX100
 N5K-2(config-fex)#interface e1/39-40
 N5k-2(config)#channel-group 100
 N5K-2(config)#interface po100
 N5K-2(config)#switchport mode fex-fabric
 N5K-2(config)#fex associate 100
 N5K-2(config)#end

4.Set up VPC

 N5k-2#config t
 N5K-2(config)#interface mgmt 0
 N5K-2(config)#ip address 192.168.111.2/24
 N5K-2(config)#vrf context managemnt
 N5K-2(config-vrf)#ip route 0.0.0.0/0 192.168.111.1
 
 N5K-2(config)#vpc domain 192
 N5K-2(config-vpc-domain)#peer-keepalivce destination 192.168.111.1
 N5K-2(config-vpc-domain)#end 
 
 N5k-2(config)#interface e1/17-20
 N5K-2(config-if-range)#channel-group 1 mode active 
 N5K-2(config-if-range)#interface po1
 N5K-2(config-if)#vpc peer-link
 N5K-2(config-if)#switchport mode trunk
 N5K-2(config-if)#swicthport trunk allowed vlan 1,111,192
 N5K-2(config-if)#end

5.Setup the uplink to the Catalyst 6500

 N5K-2(config)#int e1/1
 N5K-2(config)#switchport mode trunk
 N5k-2(config)#switchport trunk allowed vlan 111,192
 N5K-2(config)#speed 1000
 N5K-2(config)#end

5.Setup the e100/1/48 interface on Nexus 5020#2 to be an access port for VLAN 192

 N5k-2#conf 
 N5k-2#(config)#inter e100/1/48
 N5k-2#(config)#switchport mode access
 N5k-2#(config)#switchport access vlan 192
 N5k-2#(config)#end