Hei,
huomasin tässä hiljattain, että pingin kanssa todella moni paketti katoaa vaikka minkään muun kanssa en huomaa ongelmaa:
$ ping -c 20 http://www.google.com
PING http://www.google.com (173.194.71.106) 56(84) bytes of data.
64 bytes from lb-in-f106.1e100.net (173.194.71.106): icmp_req=1 ttl=48 time=35.3 ms
64 bytes from lb-in-f106.1e100.net (173.194.71.106): icmp_req=2 ttl=48 time=34.9 ms
64 bytes from lb-in-f106.1e100.net (173.194.71.106): icmp_req=3 ttl=48 time=34.8 ms
64 bytes from lb-in-f106.1e100.net (173.194.71.106): icmp_req=4 ttl=48 time=34.3 ms
64 bytes from lb-in-f106.1e100.net (173.194.71.106): icmp_req=7 ttl=48 time=34.1 ms
64 bytes from lb-in-f106.1e100.net (173.194.71.106): icmp_req=11 ttl=48 time=34.6 ms
64 bytes from lb-in-f106.1e100.net (173.194.71.106): icmp_req=13 ttl=48 time=34.8 ms
64 bytes from lb-in-f106.1e100.net (173.194.71.106): icmp_req=14 ttl=48 time=34.6 ms
64 bytes from lb-in-f106.1e100.net (173.194.71.106): icmp_req=15 ttl=48 time=34.8 ms
64 bytes from lb-in-f106.1e100.net (173.194.71.106): icmp_req=18 ttl=48 time=34.6 ms
64 bytes from lb-in-f106.1e100.net (173.194.71.106): icmp_req=19 ttl=48 time=34.4 ms
--- http://www.google.com ping statistics ---
20 packets transmitted, 11 received, 45% packet loss, time 19061ms
rtt min/avg/max/mdev = 34.117/34.701/35.370/0.322 ms
Ajelin traceroutea ja kokeilin pingata muutamaa ensimmäistä osoitetta:
$ traceroute http://www.google.com
traceroute to http://www.google.com (173.194.71.105), 30 hops max, 60 byte packets
1 dsldevice.lan (192.168.1.1) 88.346 ms 88.289 ms 88.213 ms
2 dsl-hkibrasgw1-58c080-1.dhcp.inet.fi (88.192.128.1) 19.816 ms 20.241 ms 20.633 ms
3 hls-b2-link.telia.net (213.248.75.17) 21.078 ms hls-b1-link.telia.net (213.248.68.209) 32.899 ms 21.474 ms
4 s-bb3-link.telia.net (80.91.245.34) 29.378 ms s-bb3-link.telia.net (213.155.134.106) 29.317 ms s-bb2-link.telia.net (80.91.246.86) 28.662 ms
5 s-b3-link.telia.net (213.155.133.103) 29.307 ms s-b3-link.telia.net (213.155.133.97) 34.587 ms s-b3-link.telia.net (213.155.131.121) 29.685 ms
6 72.14.212.90 (72.14.212.90) 29.880 ms 26.714 ms 26.892 ms
7 209.85.250.192 (209.85.250.192) 27.804 ms 27.848 ms 27.619 ms
8 209.85.243.136 (209.85.243.136) 39.717 ms 36.916 ms 39.179 ms
9 72.14.233.174 (72.14.233.174) 36.159 ms 72.14.233.170 (72.14.233.170) 37.104 ms 72.14.233.168 (72.14.233.168) 36.400 ms
10 * * *
11 lb-in-f105.1e100.net (173.194.71.105) 36.031 ms 36.375 ms 34.889 ms
$ ping -c 20 88.192.128.1
PING 88.192.128.1 (88.192.128.1) 56(84) bytes of data.
64 bytes from 88.192.128.1: icmp_req=1 ttl=254 time=19.3 ms
64 bytes from 88.192.128.1: icmp_req=2 ttl=254 time=19.0 ms
64 bytes from 88.192.128.1: icmp_req=3 ttl=254 time=18.7 ms
64 bytes from 88.192.128.1: icmp_req=4 ttl=254 time=18.7 ms
64 bytes from 88.192.128.1: icmp_req=5 ttl=254 time=20.4 ms
64 bytes from 88.192.128.1: icmp_req=6 ttl=254 time=18.7 ms
64 bytes from 88.192.128.1: icmp_req=7 ttl=254 time=18.9 ms
64 bytes from 88.192.128.1: icmp_req=8 ttl=254 time=20.1 ms
64 bytes from 88.192.128.1: icmp_req=9 ttl=254 time=18.9 ms
64 bytes from 88.192.128.1: icmp_req=10 ttl=254 time=19.9 ms
64 bytes from 88.192.128.1: icmp_req=11 ttl=254 time=18.7 ms
64 bytes from 88.192.128.1: icmp_req=12 ttl=254 time=18.9 ms
64 bytes from 88.192.128.1: icmp_req=13 ttl=254 time=18.6 ms
64 bytes from 88.192.128.1: icmp_req=14 ttl=254 time=19.2 ms
64 bytes from 88.192.128.1: icmp_req=15 ttl=254 time=18.6 ms
64 bytes from 88.192.128.1: icmp_req=16 ttl=254 time=18.4 ms
64 bytes from 88.192.128.1: icmp_req=17 ttl=254 time=18.9 ms
64 bytes from 88.192.128.1: icmp_req=18 ttl=254 time=18.7 ms
64 bytes from 88.192.128.1: icmp_req=19 ttl=254 time=18.6 ms
64 bytes from 88.192.128.1: icmp_req=20 ttl=254 time=18.4 ms
--- 88.192.128.1 ping statistics ---
20 packets transmitted, 20 received, 0% packet loss, time 19027ms
rtt min/avg/max/mdev = 18.461/19.032/20.447/0.558 ms
$ ping -c 20 213.248.75.17
PING 213.248.75.17 (213.248.75.17) 56(84) bytes of data.
64 bytes from 213.248.75.17: icmp_req=1 ttl=61 time=20.0 ms
64 bytes from 213.248.75.17: icmp_req=3 ttl=61 time=22.6 ms
64 bytes from 213.248.75.17: icmp_req=4 ttl=61 time=19.4 ms
64 bytes from 213.248.75.17: icmp_req=7 ttl=61 time=21.1 ms
64 bytes from 213.248.75.17: icmp_req=9 ttl=61 time=19.3 ms
64 bytes from 213.248.75.17: icmp_req=10 ttl=61 time=35.2 ms
64 bytes from 213.248.75.17: icmp_req=13 ttl=61 time=20.9 ms
64 bytes from 213.248.75.17: icmp_req=14 ttl=61 time=19.7 ms
64 bytes from 213.248.75.17: icmp_req=17 ttl=61 time=19.4 ms
64 bytes from 213.248.75.17: icmp_req=19 ttl=61 time=19.1 ms
64 bytes from 213.248.75.17: icmp_req=20 ttl=61 time=23.2 ms
--- 213.248.75.17 ping statistics ---
20 packets transmitted, 11 received, 45% packet loss, time 19054ms
rtt min/avg/max/mdev = 19.194/21.856/35.231/4.422 ms
Mistähän tässä voisi olla kyse? Normaalista TCP- tai UDP-liikenteestä ei taatusti katoa 45% paketeista koska muuten olisin huomannut ongelman ihan normaalissakin käytössä. Olen resetoinut modeemin kokonaan mutta sillä ei näytä olevan vaikutusta. Smokeping-ohjelman keräämien tilastojen perusteella ongelma on itseasiassa alkanut jo 14.3.2013 klo 08:00.
TG789vn ja pingin "packet loss", yhteydet toimii muuten
Rekisteröidy
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