5.7 Cisco CCNA 200-301 | L2 security (DHCP snooping, ARP inspection, port security)

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Cisco CCNA 200-301 Course
Chapter5: Security Fundamentals
5.7 Configure Layer 2 security features (DHCP snooping, dynamic ARP inspection, and port security)

DHCP Snooping
ip dhcp snooping vlan ??
inter fa1/0/1
ip dhcp snooping trust
!
inter rang fa1/0/2 – 24
ip dhcp snooping limite rate 100
!
show ip dhcp snooping

Dynamic ARP inspection
ip arp inspection vlan ???
inter fa1/0/1
ip arp inspection trust
!
show ip arp inspection

Port Security
inter fa1/0/2
switchport mode access
switchport port-security
switchport port-security maximum 2
switchport port-security mac-address sticky
switchport port-security violation shutdown
!
errdisable recover interval 30
!
show errdisable recovery
show port-security
show port-security inter fa1/0/2

00:00 Introduction
00:29 DHCP Snooping
05:29 ARP Inspection
08:08 Port Security

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