f18...

[Marc Blanc]

Le Mon, 01 Apr 2013 16:08:41 -0430,
Patrick O'Callaghan <pocallaghan at gmail.com> a écrit :


>Just for the heck of it, try pinging with different packet sizes, e.g.:
>
>ping -s 1024 8.8.8.8
>ping -s 576 8.8.8.8


 ping -s 1024 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 1024(1052) bytes of data.
72 bytes from 8.8.8.8: icmp_req=1 ttl=48 (truncated)
72 bytes from 8.8.8.8: icmp_req=2 ttl=48 (truncated)
72 bytes from 8.8.8.8: icmp_req=3 ttl=48 (truncated)
72 bytes from 8.8.8.8: icmp_req=4 ttl=48 (truncated)
72 bytes from 8.8.8.8: icmp_req=5 ttl=48 (truncated)
72 bytes from 8.8.8.8: icmp_req=6 ttl=48 (truncated)
72 bytes from 8.8.8.8: icmp_req=7 ttl=48 (truncated)
72 bytes from 8.8.8.8: icmp_req=8 ttl=48 (truncated)
^C
--- 8.8.8.8 ping statistics ---
8 packets transmitted, 8 received, 0% packet loss, time 7009ms
rtt min/avg/max/mdev = 45.515/46.895/51.445/1.761 ms
[mb at mbv ~]$ ping -s 576 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 576(604) bytes of data.
72 bytes from 8.8.8.8: icmp_req=1 ttl=48 (truncated)
72 bytes from 8.8.8.8: icmp_req=2 ttl=48 (truncated)
72 bytes from 8.8.8.8: icmp_req=3 ttl=48 (truncated)
72 bytes from 8.8.8.8: icmp_req=4 ttl=48 (truncated)
72 bytes from 8.8.8.8: icmp_req=5 ttl=48 (truncated)
^C
--- 8.8.8.8 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4005ms
rtt min/avg/max/mdev = 41.736/42.320/42.977/0.529 ms
[mb at mbv ~]$ ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_req=1 ttl=48 time=38.3 ms
64 bytes from 8.8.8.8: icmp_req=2 ttl=48 time=37.3 ms
64 bytes from 8.8.8.8: icmp_req=3 ttl=48 time=37.7 ms
64 bytes from 8.8.8.8: icmp_req=4 ttl=48 time=37.5 ms
64 bytes from 8.8.8.8: icmp_req=5 ttl=48 time=37.7 ms
^C
--- 8.8.8.8 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4005ms
rtt min/avg/max/mdev = 37.320/37.730/38.325/0.413 ms

That's right, thanks.
-- 
M.B