Question

Why change the default VLAN 1 to a different VLAN number?

Answer 1

Explanation:

It is also a good practice to shut down unused switch ports to prevent unauthorized access . A good security practice is to separate management and user data traffic. The management VLAN, which is VLAN 1 by default should be changed to a separate distinct VLAN. All control traffic is send on VLAN 1.

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