juniper@R2> ping 12.1.1.1  count 2 no-resolve size 1500         
PING 12.1.1.1 (12.1.1.1): 1500 data bytes
1508 bytes from 12.1.1.1: icmp_seq=0 ttl=64 time=5.968 ms
1508 bytes from 12.1.1.1: icmp_seq=1 ttl=64 time=5.904 ms

--- 12.1.1.1 ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max/stddev = 5.904/5.936/5.968/0.032 ms

juniper@R2> 

juniper@R2> 

juniper@R2> ping 12.1.1.1  count 2 no-resolve size 1492    
PING 12.1.1.1 (12.1.1.1): 1492 data bytes
1500 bytes from 12.1.1.1: icmp_seq=0 ttl=64 time=5.571 ms
1500 bytes from 12.1.1.1: icmp_seq=1 ttl=64 time=7.436 ms

--- 12.1.1.1 ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max/stddev = 5.571/6.503/7.436/0.933 ms

juniper@R2> 

juniper@R2> 

juniper@R2> 

juniper@R2> 

juniper@R2> ping 12.1.1.1  count 2 no-resolve size 1492    
PING 12.1.1.1 (12.1.1.1): 1492 data bytes
1500 bytes from 12.1.1.1: icmp_seq=0 ttl=64 time=8.669 ms
1500 bytes from 12.1.1.1: icmp_seq=1 ttl=64 time=9.076 ms

--- 12.1.1.1 ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max/stddev = 8.669/8.873/9.076/0.204 ms

juniper@R2> 

juniper@R2> 

juniper@R2> ping 12.1.1.1  count 2 no-resolve size 1500    
PING 12.1.1.1 (12.1.1.1): 1500 data bytes
1508 bytes from 12.1.1.1: icmp_seq=0 ttl=64 time=7.434 ms
1508 bytes from 12.1.1.1: icmp_seq=1 ttl=64 time=5.131 ms

--- 12.1.1.1 ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max/stddev = 5.131/6.283/7.434/1.152 ms

juniper@R2>