You have purchased brand new Cisco network routers and switches from your companies infrastructure supplier, Expert Infra, Inc. While working with the networking team to unbox them and begin setting them up you notice several of them look slightly different despite being the same make and model. What step should you take next?
Install the networking equipment
Verify all the serial numbers with the manufacturer
Reject the different models and return them to Expert Infra, Inc.
Update the older looking models to the latest firmware from Cisco
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