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We are using 2 ASA 5512 firewalls as HA pair. Both are uplinked to a switch owned and configured by the ISP in a datacenter. Some time ago one of the uplink ports went to err-disabled on the switch. The messages show that a duplicate MAC address is s...
Hello Jan,
I know about the behaviour you are mentioning. That is actually not what is happening. The primary, active firewall is also broadcasting the MAC address of the secondary, passive firewall. Disabling the protection on the switch has been di...
