Problem and solution when an intranet PC cannot access the server after active/standby server switchover

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This case applies only to V100R001.
A firewall is deployed between an intranet PC and two servers. The two servers work in active/standby mode. A floating IP address residing on the same network segment as the firewall is used to correspond to two physical MAC addresses to implement the active/standby mechanism. In this scenario, ARP spoofing attack defense cannot be configured on the firewall. Otherwise, services will be interrupted after active/standby switchover. You need to run the undo firewall defend arp-spoofing enable command to disable ARP spoofing attack defense.
For details, see when the server switch over the vitual IP to the slave one, it can’t ping.

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