About pbarendse

pbarendse · 05-10-2016

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...

pbarendse · 05-19-2016

MAC address outside interface primary ASA: bc16.65b4.93c3MAC address outside interface secondary ASA: 78da.6e99.384d

pbarendse · 05-11-2016

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...

Member Since	‎05-10-2016 05:38 AM
Date Last Visited	‎08-18-2017 03:53 AM
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ASA HA pair broadcasting duplicate MAC

MAC address outside interface

Hello Jan,