An administrator has two pairs of firewalls within the same subnet. Both pairs of firewalls have been configured to use High Availability mode with Active/Passive. The ARP tables for upstream routes display the same MAC address being shared for some of these firewalls.
What can be configured on one pair of firewalls to modify the MAC addresses so they are no longer in conflict?
A . Configure a floating IP between the firewall pairs.
B . Change the Group IDs in the High Availability settings to be different from the other firewall pair on the same subnet.
C . Change the interface type on the interfaces that have conflicting MAC addresses from L3 to VLAN.
D . On one pair of firewalls, run the CLI command: set network interface vlan arp.
Answer: B
Explanation:
https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000Cm1OCAS
https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000Cm1OCAS
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