A network administrator is configuring DAI on a switch with the command ip arp inspection validate src-mac . What is the purpose of this configuration command?

Last Updated on October 29, 2020 by InfraExam

A network administrator is configuring DAI on a switch with the command ip arp inspection validate src-mac . What is the purpose of this configuration command?

It checks the source MAC address in the Ethernet header against the MAC address table.
It checks the source MAC address in the Ethernet header against the user-configured ARP ACLs.
It checks the source MAC address in the Ethernet header against the target MAC address in the ARP body.

It checks the source MAC address in the Ethernet header against the sender MAC address in the ARP body.

Answers Explanation & Hints:

DAI can be configured to check for both destination or source MAC and IP addresses:
Destination MAC – Checks the destination MAC address in the Ethernet header against the target MAC address in the ARP body.
Source MAC – Checks the source MAC address in the Ethernet header against the sender MAC address in the ARP body.
IP address – Checks the ARP body for invalid and unexpected IP addresses including addresses 0.0.0.0, 255.255.255.255, and all IP multicast addresses.

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Click Here CCNA 2 SRWE v7 – Modules 10 – 13 – L2 Security and WLANs Exam Answers Full 100%

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