I read a line saying {Routes do not forward packets coming from one interface having broadcast mac address (FF:FF:FF:FF:FF:FF)}

what is meant by one interface in that line?

if router cannot broadcast mac address then how does arp protocol works in router?

Does arp protocol works only with ethernet devices?

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1 Answer 1


A router doesn't forward broadcasts to other networks/subnets (or between networks). It can very well receive and transmit them, however, so ARP isn't any problem.

IPv4 uses ARP for all MAC-based networks, most prominently Ethernet and Wi-Fi.

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