arptables -P IN DROP
arptables -P OUT DROP
arptables -A IN -s 92.168.1.1 --source-mac 00:26:5a:52:6e:87 -j ACCEPT
arptables -A OUT -d 92.168.1.1 --target-mac 00:26:5a:52:6e:87 -j ACCEPT
arp -s 92.168.1.1 00:26:5a:52:6e:87

