Wednesday, June 3, 2020

MAC Forced Forwarding and Static IP Addresses

Got a little bit of an issue. We are a brand new startup WISP. We use Calix Switches on our network at the edge to bring services to our customers. Those connect to Base Stations, that then feed our customers.

We are going to be enabling MFF (MAC Forced Forwarding) but have noticed an issue. Anyone with a Static IP Address is going get their packets dropped because their MAC is not in the DHCP Snoop table for that switch. How can I get around this other than telling these customers that they need to change their firewall config to DHCP on their wan port and record their MACs?



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