Sto cercando di identificare un problema di packet loss fra Roma e Londra (due abitazioni private).
Il problema sembra essere su un hop Seabone SPARKLE di Milano. Qualcuno può confermare?
Test effettuati:
1) Traceroute da Londra a Roma
1 xxxxxxxxxxxxxxxxxx
2 xxxxxxxxxxxxxxxxxx
3 * * *
4 185.80.117.31 (185.80.117.31) 1.532 ms 1.878 ms 2.373 ms
5 213.86.140.81 (213.86.140.81) 2.505 ms 2.396 ms 2.498 ms
6 212.74.73.109 (212.74.73.109) 3.363 ms 212.74.66.249 (212.74.66.249) 3.357 ms 3.295 ms
7 212.74.66.249 (212.74.66.249) 2.838 ms 2.800 ms 212.74.73.109 (212.74.73.109) 2.749 ms
8 et-4-0-9.edge7.London1.Level3.net (212.187.219.49) 2.717 ms 2.348 ms 2.247 ms
9 * * *
10 TelecomItalia-level3-London1.Level3.net (4.68.63.150) 24.954 ms 2.721 ms 23.455 ms
11 149.3.183.63 (149.3.183.63) 68.964 ms 68.874 ms 68.756 ms
12 ibs-asr.milano50.mil.seabone.net (195.22.205.117) 69.101 ms 68.757 ms 69.132 ms
13 * * *
14 * * *
15 * * *
16 * * *
17 * * *
18 * * *
19 * * *
20 * * *
Test dei singoli hop tramite ping (4.68.63.150 - nessun problema)
PING TelecomItalia-level3-London1.Level3.net (4.68.63.150) 56(84) bytes of data.
64 bytes from TelecomItalia-level3-London1.Level3.net (4.68.63.150): icmp_seq=1 ttl=55 time=3.49 ms
64 bytes from TelecomItalia-level3-London1.Level3.net (4.68.63.150): icmp_seq=2 ttl=55 time=2.75 ms
64 bytes from TelecomItalia-level3-London1.Level3.net (4.68.63.150): icmp_seq=3 ttl=55 time=3.59 ms
64 bytes from TelecomItalia-level3-London1.Level3.net (4.68.63.150): icmp_seq=4 ttl=55 time=2.57 ms
64 bytes from TelecomItalia-level3-London1.Level3.net (4.68.63.150): icmp_seq=5 ttl=55 time=2.97 ms
64 bytes from TelecomItalia-level3-London1.Level3.net (4.68.63.150): icmp_seq=6 ttl=55 time=2.88 ms
64 bytes from TelecomItalia-level3-London1.Level3.net (4.68.63.150): icmp_seq=7 ttl=55 time=2.56 ms
64 bytes from TelecomItalia-level3-London1.Level3.net (4.68.63.150): icmp_seq=8 ttl=55 time=2.66 ms
64 bytes from TelecomItalia-level3-London1.Level3.net (4.68.63.150): icmp_seq=9 ttl=55 time=18.10 ms
64 bytes from TelecomItalia-level3-London1.Level3.net (4.68.63.150): icmp_seq=10 ttl=55 time=1.94 ms
64 bytes from TelecomItalia-level3-London1.Level3.net (4.68.63.150): icmp_seq=11 ttl=55 time=2.40 ms
64 bytes from TelecomItalia-level3-London1.Level3.net (4.68.63.150): icmp_seq=12 ttl=55 time=2.97 ms
64 bytes from TelecomItalia-level3-London1.Level3.net (4.68.63.150): icmp_seq=13 ttl=55 time=2.16 ms
64 bytes from TelecomItalia-level3-London1.Level3.net (4.68.63.150): icmp_seq=14 ttl=55 time=2.40 ms
^C
--- TelecomItalia-level3-London1.Level3.net ping statistics ---
14 packets transmitted, 14 received, **0% packet loss**, time 32ms
rtt min/avg/max/mdev = 1.941/3.879/18.976/4.210 ms
Test dei singoli hop tramite ping (149.3.183.63- Hop con packet loss)
PING 149.3.183.63 (149.3.183.63) 56(84) bytes of data.
64 bytes from 149.3.183.63: icmp_seq=1 ttl=243 time=64.6 ms
64 bytes from 149.3.183.63: icmp_seq=2 ttl=243 time=64.1 ms
64 bytes from 149.3.183.63: icmp_seq=3 ttl=243 time=66.1 ms
64 bytes from 149.3.183.63: icmp_seq=5 ttl=243 time=65.3 ms
64 bytes from 149.3.183.63: icmp_seq=6 ttl=243 time=64.2 ms
64 bytes from 149.3.183.63: icmp_seq=8 ttl=243 time=65.4 ms
64 bytes from 149.3.183.63: icmp_seq=9 ttl=243 time=65.6 ms
64 bytes from 149.3.183.63: icmp_seq=10 ttl=243 time=65.10 ms
64 bytes from 149.3.183.63: icmp_seq=12 ttl=243 time=65.4 ms
^C
--- 149.3.183.63 ping statistics ---
12 packets transmitted, 9 received, **25% packet loss**, time 167ms
Il test lo potete effettuare verso uno degli Hop di Londra (185.80.117.31)
Il problema si ripete ogni sera durante peak time (19.00 - 23.00).
Grazie ancitipatamente per la collaborazione