HOST vPC
--> HOST vPC is a type of virtual Port Channel in which we are configuring the vPC only at the server level.
--> Fabric Extenders connected to the Parent Switch (Nexus 5K) can be pinned using a static method or using the dynamic method with the help of Port-Channel.
--> Need to configure the separate port-channel for FEXA and FEXB as well separate Port-Channel for Server.
--> You need to configure the Port-Channel on the Server Side either using LACP or Static Port-Channel.
Configuration:
1) Create the LACP Port-Channel on the Server-Side
2) Enable FEX Feature and create the Port-channel on the Parent Switches ( Nexus 5K)
Nexus-5K1 (config) # feature fex
Nexus-5K1 (config) # feature lacp
Nexus-5K1 (config) # interface E1/1-2
Nexus-5K1 (config) # channel-group 101 mode on
Nexus-5K1 (config) # int po101
Nexus-5K1 (config) # switchport mode fex-fabric
Nexus-5K1 (config) # fex associate 101
----------------------------------------------------------------------------
Nexus-5K2 (config) # feature fex
Nexus-5K2 (config) # feature lacp
Nexus-5K2 (config) # interface E1/1-2
Nexus-5K2 (config) # channel-group 102 mode on
Nexus-5K2 (config) # int po102
Nexus-5K2 (config) # switchport mode fex-fabric
Nexus-5K2 (config) # fex associate 102
3) Enable vPC on the Ports which are connected to the Server on the Parent Switch ( Nexus 5K)
Nexus-5K1 (config) # interface e101/1/1
Nexus-5K1 (config) # channel-group 103 mode active
Nexus-5K1 (config) # vPC
----------------------------------------------------------------------------
Nexus-5K2 (config) # interface e101/1/1
Nexus-5K2 (config) # channel-group 103 mode active
Nexus-5K2 (config) # vPC
Fabric vPC
--> Fabric vPC is a type of virtual Port Channel in which we are configuring the vPC only at the FEX level.
--> Fabric Extenders connected to the Parent Switch (Nexus 5K) can be pinned using a static method or using the dynamic method with the help of Port-Channel.
--> Need to configure the separate Virtual Port-Channel for FEXA and FEXB.
--> Physical Servers are connected either to FEXA or FEXB.
Configuration:
1) Enable FEX Feature and create the Port-channel on the Parent Switches ( Nexus 5K)
Nexus-5K1 (config) # feature fex
Nexus-5K1 (config) # feature lacp
Nexus-5K1 (config) # interface E1/1
Nexus-5K1 (config) # channel-group 101 mode on
Nexus-5K1 (config) # int po101
Nexus-5K1 (config) # switchport mode fex-fabric
Nexus-5K1 (config) # fex associate 101
Nexus-5K1 (config) # interface E1/2
Nexus-5K1 (config) # channel-group 102 mode on
Nexus-5K1 (config) # int po102
Nexus-5K1 (config) # switchport mode fex-fabric
Nexus-5K1 (config) # fex associate 102
----------------------------------------------------------------------------
Nexus-5K2 (config) # feature fex
Nexus-5K2 (config) # feature lacp
Nexus-5K2 (config) # interface E1/1
Nexus-5K2 (config) # channel-group 101 mode on
Nexus-5K2 (config) # int po101
Nexus-5K2 (config) # switchport mode fex-fabric
Nexus-5K2 (config) # fex associate 101
Nexus-5K2 (config) # interface E1/2
Nexus-5K2 (config) # channel-group 102 mode on
Nexus-5K2 (config) # int po102
Nexus-5K2 (config) # switchport mode fex-fabric
Nexus-5K2 (config) # fex associate 102
2) Enable vPC on the Ports which are connected to the FEX on the Parent Switch ( Nexus 5K)
Nexus-5K1 (config) # interface po101
Nexus-5K1 (config) # vPC 101
Nexus-5K1 (config) # interface po102
Nexus-5K1 (config) # vPC 102
Nexus-5K2 (config) # interface po101
Nexus-5K2 (config) # vPC 101
Nexus-5K2 (config) # interface po102
Nexus-5K2 (config) # vPC 102
Enhanced vPC
--> Enhanced vPC is a combination of Fabric vPC and Host vPC.
--> Enhanced vPC is a type of virtual Port Channel in which we are configuring the vPC at the FEX level as well as the Server level.
--> Need to configure the separate Virtual Port-Channel for FEXA and FEXB.
--> You need to configure the Port-Channel on the Server Side either using LACP or Static Port-Channel.
Configuration:
1) Enable FEX Feature and create the Port-channel on the Parent Switches ( Nexus 5K)
Nexus-5K1 (config) # feature fex
Nexus-5K1 (config) # feature lacp
Nexus-5K1 (config) # interface E1/1
Nexus-5K1 (config) # channel-group 101 mode on
Nexus-5K1 (config) # int po101
Nexus-5K1 (config) # switchport mode fex-fabric
Nexus-5K1 (config) # fex associate 101
Nexus-5K1 (config) # interface E1/2
Nexus-5K1 (config) # channel-group 102 mode on
Nexus-5K1 (config) # int po102
Nexus-5K1 (config) # switchport mode fex-fabric
Nexus-5K1 (config) # fex associate 102
----------------------------------------------------------------------------
Nexus-5K2 (config) # feature fex
Nexus-5K2 (config) # feature lacp
Nexus-5K2 (config) # interface E1/1
Nexus-5K2 (config) # channel-group 101 mode on
Nexus-5K2 (config) # int po101
Nexus-5K2 (config) # switchport mode fex-fabric
Nexus-5K2 (config) # fex associate 101
Nexus-5K2 (config) # interface E1/2
Nexus-5K2 (config) # channel-group 102 mode on
Nexus-5K2 (config) # int po102
Nexus-5K2 (config) # switchport mode fex-fabric
Nexus-5K2 (config) # fex associate 102
2) Enable vPC on the Ports which are connected to the FEX on the Parent Switch ( Nexus 5K)
Nexus-5K1 (config) # interface po101
Nexus-5K1 (config) # vPC 101
Nexus-5K1 (config) # interface po102
Nexus-5K1 (config) # vPC 102
Nexus-5K2 (config) # interface po101
Nexus-5K2 (config) # vPC 101
Nexus-5K2 (config) # interface po102
Nexus-5K2 (config) # vPC 102
3) Enable vPC on the ports which are connected to the Server on the Parent Switch ( Nexus 5K)
Nexus-5K1 (config) # interface e101/1/1
Nexus-5K1 (config) # channel-group 103 mode active
Nexus-5K1 (config) # vPC
----------------------------------------------------------------------------
Nexus-5K2 (config) # interface e101/1/1
Nexus-5K2 (config) # channel-group 103 mode active
Nexus-5K2 (config) # vPC
Note: Enhanced vPC is only supported on the Nexus 5K Series Switches. No support on the Nexus 7K/9K for Enhanced vPC
Reference: Cisco.com,
Md.Kareemoddin
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