create loop int set int state loop0 up set int ip addr loop0 10.10.10.10/24 packet-generator new { name transit-deny limit 1 node ip4-input size 64-64 no-recycle data { UDP: 1.2.3.4 -> 2.2.2.2 UDP: 3000 -> 3001 length 128 checksum 0 incrementing 1 } } packet-generator new { name transit-allow limit 1 node ip4-input size 64-64 no-recycle data { UDP: 1.1.1.1 -> 2.2.2.2 UDP: 3000 -> 3001 length 128 checksum 0 incrementing 1 } } packet-generator new { name transit-allow-from-excemption limit 1 node ip4-input size 64-64 no-recycle data { UDP: 11.11.12.13 -> 2.2.2.2 UDP: 6000 -> 6001 length 128 checksum 0 incrementing 1 } } packet-generator new { name for-us-allow-from-excemption limit 1 node ip4-input size 64-64 no-recycle data { UDP: 11.11.12.13 -> 10.10.10.10 UDP: 6000 -> 6001 length 128 checksum 0 incrementing 1 } } packet-generator new { name for-us-allow limit 1 node ip4-input size 64-64 no-recycle data { UDP: 1.1.1.1 -> 10.10.10.10 UDP: 3000 -> 3001 length 128 checksum 0 incrementing 1 } } tr add pg-input 100 set int ip addr pg0 10.10.11.10/24 set interface ip source-check pg0 strict ip route add 1.1.1.1/32 via 10.10.11.11 pg0 ip route add 2.2.2.2/32 via 10.10.10.11 loop0 ip urpf-accept 11.11.0.0/16 #set interface ip source-check pg0 strict del #set interface ip source-check pg0 loose #ip urpf-accept del 11.11.0.0/16