What layer are FI in the Cisco hierarchical network design model?

What layer are FI in the Cisco hierarchical network design model?

Is this a straigh question? We have a Nexus 7 k for our heart and Port-channel of the FI for them. So for me it layer distribution.

But when we attach to the NAS. Isilon devices we use between the FI and N7K N3K. This would make the N3K and FI both part of the Distribution layer? Would not be considered layer. However, it does not ACL etc. which usually belong to the Distribution layer.

I was wondering thoughts people on it. Is the UCS FI and 'One Off' in the model of 3 layer?

Thank you!

Craig

FI can sit to your dist layer. or access.  I've seen deployments where they are deployed at the same time, depending on the size of the cluster of the UCS and band network bandwidth. The distribution layer is usually to be where all the magic of layer 3 arrives (routing, ACL, QoS, FW, application of strategies etc.) and UCS being strictly Layer 2, it could be classified as a device to access-layer.

Designs are flexible and as long that you consider oversubscription adjusted, you should be fine with the deployment option.

I hope that others will share their ideas

Kind regards

Robert

Tags: Cisco DataCenter

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