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Forum Discussion

DFeike_160744's avatar
DFeike_160744
Icon for Nimbostratus rankNimbostratus
May 27, 2015

MAC Masquerading for VIPs on VLANs on the same Layer2 Network

Hello Guys, we've got a customer with a grown and old network design which causes some headache and i am evaluating possible solutions. During a manually triggered failover for a hotfix installation ...
application delivery
availability
design
layer 2
LTM
mac masquerade
Eric_St__John's avatar
Eric_St__John
Icon for Employee rankEmployee
May 27, 2015

MAC Masquerading is intended to address the exact issue you are describing. Since the MAC doesn't change during failover, it does not matter if the switch/firewall drops the GARP. The CAM table will update with the location of the MAC, and ARP does not have to update.