-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Salve a tutti, vi e` mai capitato di pingare un host e in modo random ricevere 2 risposte per un pacchetto icmp inviato?
# ping 10.52.3.6 [...] 64 bytes from 10.52.3.6: icmp_seq=458 ttl=57 time=21.1 ms 64 bytes from 10.52.3.6: icmp_seq=459 ttl=57 time=21.1 ms 64 bytes from 10.52.3.6: icmp_seq=460 ttl=57 time=21.3 ms 64 bytes from 10.52.3.6: icmp_seq=460 ttl=57 time=21.3 ms (DUP!) 64 bytes from 10.52.3.6: icmp_seq=461 ttl=57 time=20.9 ms La riga che riporta la dicitura "(DUP!)" indica un pacchetto echo reply duplicato. Infatti due pacchetti consecutivi riportano lo seq number 460. Me lo traccia anche traceroute: 14:58:01.699691 IP su-lh-tryconn2-sm.lottomatica.net > 10.52.3.6: ICMP echo request, id 30219, seq 458, length 64 14:58:01.720860 IP 10.52.3.6 > su-lh-tryconn2-sm.lottomatica.net: ICMP echo reply, id 30219, seq 458, length 64 14:58:02.699746 IP su-lh-tryconn2-sm.lottomatica.net > 10.52.3.6: ICMP echo requ est, id 30219, seq 459, length 64 14:58:02.720855 IP 10.52.3.6 > su-lh-tryconn2-sm.lottomatica.net: ICMP echo reply, id 30219, seq 459, length 64 14:58:03.699795 IP su-lh-tryconn2-sm.lottomatica.net > 10.52.3.6: ICMP echo request, id 30219, seq 460, length 64 14:58:03.721099 IP 10.52.3.6 > su-lh-tryconn2-sm.lottomatica.net: ICMP echo reply, id 30219, seq 460, length 64 14:58:03.721149 IP 10.52.3.6 > su-lh-tryconn2-sm.lottomatica.net: ICMP echo reply, id 30219, seq 460, length 64 Non conosco la configurazione di rete, ma secondo voi come e` possibile una cosa del genere? Quando si puo` verificare? - -- Il Piuma -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/ iQEcBAEBAgAGBQJOIF7QAAoJEDSpnBSp0g/YDwkIAJ1QNw6RnuGWPaCtiw1l8Pjr R51bgplOFCfZll45XRv1eyxs5TomxLo9Pgp1rY4lV5n4czK7t7zgtwHKeMRsOqZa ODzBW8YnCw7ErPfDN84C2k72o5opo4+iswRm/LUy/XvVYtfIN/vgxWUGVzdFKNmb KTtRo1TAIl3tTXfvKehbHSn0XDlKJhpTdNZJrXT3XcZaub06vwYSpw1GPrZEx1zA lIzNhehP23Xa8DHuyNt7mXDuoQW/T3V1Bp6fIucHGcFvs6U9SA6EloDBFDy3mACR EBe32LyoG6kddZBTJmKsXxWMR4eCWBiT4xRIalxJIZce0B1HvYVbraixFBSz7RQ= =Cn1j -----END PGP SIGNATURE----- _______________________________________________ Wireless mailing list [email protected] http://ml.ninux.org/mailman/listinfo/wireless
