packet-generator new { \ name x \ limit 1 \ node ip4-input \ size 64-64 \ data { \ ICMP: 1.2.3.4 -> 5.6.7.8 \ ICMP echo_request \ incrementing 100 \ } \ } tr add pg-input 100 set interface ip source-check pg/stream-0 ip route 1.2.3.4/32 via pg/stream-0 0x01020304 ip route 5.6.7.8/32 via drop