If you firewall isn’t Gratuitous ARPing when it fails over, you will need to edit the file $FWDIR/boot/modules/fwkern.conf, and add the following line (if it doesn’t exist create it),
fwha_use_arp_packet_queue=1
Then reboot the machine.
Rick Donato is a Network Automation Architect/Evangelist and the founder of Packet Coders.
Latest posts by Rick Donato (see all)
- How to Configure a BIND Server on Ubuntu - March 15, 2018
- What is a BGP Confederation? - March 6, 2018
- Cisco – What is BGP ORF (Outbound Route Filtering)? - March 5, 2018
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