create packet-generator interface pg0 create packet-generator interface pg1 packet-generator new { name f1 limit 1000000 node ip4-input size 64-64 worker 0 interface pg0 data { UDP: 10.0.0.3 -> 172.16.1.2 UDP: 3000 -> 3001 length 128 checksum 0 incrementing 1 } } packet-generator new { name f2 limit 1000000 node ip4-input size 64-64 worker 1 interface pg1 data { UDP: 172.16.1.2 -> 172.16.1.3 UDP: 3001 -> 3000 length 128 checksum 0 incrementing 1 } } nat44 add address 172.16.1.3 nat44 add static mapping local 10.0.0.3 external 172.16.1.3 set int ip address pg0 10.0.0.1/24 set int ip address pg1 172.16.1.1/24 set int state pg0 up set int state pg1 up set ip neighbor static pg0 10.0.0.3 abcd.abcd.abcd set ip neighbor static pg1 172.16.1.2 cdef.abcd.abcd set int nat44 in pg0 out pg1 trace add pg-input 10