@truecm:~$ ping -c 4 -M do -s 1372 ya.ru
PING ya.ru (213.180.204.3) 1372(1400) bytes of data.
ping: local error: Message too long, mtu=1200
ping: local error: Message too long, mtu=1200
ping: local error: Message too long, mtu=1200
ping: local error: Message too long, mtu=1200

--- ya.ru ping statistics ---
4 packets transmitted, 0 received, +4 errors, 100% packet loss, time 3024ms