14.9.11 Packet Tracer - Layer 2 Vlan Security ^new^ -

The goal of is to systematically close these gaps.

S1(config)# interface range f0/5-24, g0/3-4 S1(config-if-range)# switchport mode access S1(config-if-range)# switchport access vlan 999 S1(config-if-range)# shutdown 14.9.11 packet tracer - layer 2 vlan security

: Change the default native VLAN from VLAN 1 to a specific ID, such as VLAN 15 , using switchport trunk native vlan 15 . The goal of is to systematically close these gaps

What happens when an unauthorized device plugs into a secured port? The answer depends on the . This is a critical decision point in the 14.9.11 lab: such as VLAN 15

In a real-world scenario with hundreds of ports, manually typing in MAC addresses is administratively prohibitive.

Configuring for VLAN 20 on all switches.