Nexus 5548 Dual Home FEX Topology Configuration

[jahanzaib amin]

Hello Expert,

I have 2 Nexus 5548 and 4 Nexus 2248 (FEX FABRIC) and going to install as Dual Home Fex Topology. Kindly See attached Diagram and  full configuration script as attachment also. Kindly let me know your expertise about it:

Step: 1 Configure FEX 101 on N5K-01

N5K-01(config)# fex 101
N5K-01(config-fex)# interface eth1/1
N5K-01(config-if)# channel-group 101
N5K-01(config-if)# interface po101
N5K-01(config-if)# switchport mode fex-fabric
N5K-01(config-if)# vpc 101
N5K-01(config-if)# fex associate 101

Step: 2 Configure FEX 101 on N5K-02

N5K-02(config)# fex 101
N5K-02(config-fex)# interface eth1/1
N5K-02(config-if)# channel-group 101
N5K-02(config-if)# interface po101
N5K-02(config-if)# switchport mode fex-fabric
N5K-02(config-if)# vpc 101
N5K-02(config-if)# fex associate 101

Step: 3 Configure FEX 102 on N5K-01

N5K-01(config)# fex 102
N5K-01(config-fex)# interface eth1/2
N5K-01(config-if)# channel-group 102
N5K-01(config-if)# interface po102
N5K-01(config-if)# switchport mode fex-fabric
N5K-01(config-if)# vpc 102
N5K-01(config-if)# fex associate 102

Step: 4 Configure FEX 102 on N5K-02

N5K-02(config)# fex 102
N5K-02(config-fex)# interface eth1/2
N5K-02(config-if)# channel-group 102
N5K-02(config-if)# interface po102
N5K-02(config-if)# switchport mode fex-fabric
N5K-02(config-if)# vpc 102
N5K-02(config-if)# fex associate 102

Step: 5 Configure FEX 103 on N5K-01

N5K-01(config)# fex 103
N5K-01(config-fex)# interface eth1/3
N5K-01(config-if)# channel-group 103
N5K-01(config-if)# interface po103
N5K-01(config-if)# switchport mode fex-fabric
N5K-01(config-if)# vpc 103
N5K-01(config-if)# fex associate 103

Step: 6 Configure FEX 103 on N5K-02

N5K-02(config)# fex 103
N5K-02(config-fex)# interface eth1/3
N5K-02(config-if)# channel-group 103
N5K-02(config-if)# interface po103
N5K-02(config-if)# switchport mode fex-fabric
N5K-02(config-if)# vpc 103
N5K-02(config-if)# fex associate 103

Step: 6 Configure FEX 104 on N5K-01

N5K-01(config)# fex 104
N5K-01(config-fex)# interface eth1/4
N5K-01(config-if)# channel-group 104
N5K-01(config-if)# interface po104
N5K-01(config-if)# switchport mode fex-fabric
N5K-01(config-if)# vpc 104
N5K-01(config-if)# fex associate 104

Step: 7 Configure FEX 104 on N5K-02

N5K-02(config)# fex 104
N5K-02(config-fex)# interface eth1/4
N5K-02(config-if)# channel-group 104
N5K-02(config-if)# interface po104
N5K-02(config-if)# switchport mode fex-fabric
N5K-02(config-if)# vpc 104
N5K-02(config-if)# fex associate 104

Thanks,

JH

[jahanzaib amin]

Hi,

Any one who can confirm the above configuration for Nexus 5548 and Nexus 2248(FAX)?

JH

[Reza Sharifi]

Hi,

Your configuration looks good.  I like the fact that you gave the Portchannel, FEX and VPC the same number.  I usually try to do the same if the ids are available.  It makes the management easy.

HTH