14.9.11 Packet Tracer - Layer 2 Vlan Security May 2026

ip dhcp snooping ip dhcp snooping vlan 10,20 interface g0/1 ip dhcp snooping trust interface range fa0/1-24 ip dhcp snooping limit rate 10 no ip dhcp snooping trust Now, only the uplink port can send DHCP Offer/ACK messages. Any rogue server on an access port will be ignored.

The four techniques in form the backbone of the Cisco Cyber Threat Defense model: 14.9.11 packet tracer - layer 2 vlan security

Move the native VLAN to an unused, "dead-end" VLAN. ip dhcp snooping ip dhcp snooping vlan 10,20

Disable DTP and set trunking manually.