30% packet loss between cox.net and hetzner.de, possibly at tinet.net
Constantine A. Murenin
mureninc at gmail.com
Sat Apr 6 04:27:24 UTC 2013
On 2013-W14-6 05:04 +0300, Denys Fedoryshchenko wrote:
> On 2013-04-06 04:32, Constantine A. Murenin wrote:
> >Hello,
> >
> >There has been at least a 25% packet loss between hetzner.de and
> >cox.net
> >in the last couple of hours.
> >
> >Tried contacting hetzner.de, but they said it's not on their network.
> >This has already happened a couple of days ago, too (strangely, on
> >April 1),
> >but then was good for the rest of the week -- no problems whatsoever.
> >
> >I wouldn't really care about this, if not for ssh:
> >it just doesn't work on such huge loss.
> >
> >No other routes or networks seem affected.
> >
> >Any advice?
> >
> Doesnt looks like tinet for me.
Might have been eurorings.net, as your Amazon EC2 to Hetzner
traceroute seemed to suggest?
This loss was apparent even with their own main websites:
cox.net from a hetzner.de node:
# mtr --report{,-wide,-cycles=60} --order "SRL BGAWV" cox.net ; date
...
3.|-- hos-bb2.juniper4.rz2.hetzner.de 60 60 0.0% 2.7 3.5 5.8 62.5 10.1
4.|-- r1nue1.core.init7.net 60 60 0.0% 2.8 4.2 5.2 13.5 3.8
5.|-- r1nue2.core.init7.net 60 60 0.0% 2.9 4.7 6.0 28.7 5.0
6.|-- r1fra2.core.init7.net 60 60 0.0% 5.7 7.4 8.1 15.9 3.6
7.|-- r1fra1.core.init7.net 60 60 0.0% 5.9 7.6 8.1 16.8 3.2
8.|-- xe-4-2-2.fra23.ip4.tinet.net 60 60 0.0% 5.9 6.4 7.1 36.2 5.6
9.|-- xe-9-0-0.was14.ip4.tinet.net 60 43 28.3% 142.3 145.0 145.2 190.0 9.6
10.|-- cox-communications-gw.ip4.tinet.net 60 48 20.0% 124.8 129.6 130.2 176.6 13.2
11.|-- dukedsrj02-ge210.0.rd.at.cox.net 60 45 25.0% 137.7 141.2 141.6 194.7 11.6
12.|-- 68.1.15.238 60 49 18.3% 138.1 138.7 138.7 140.0 0.4
13.|-- 68.99.123.4 60 36 40.0% 140.4 140.9 140.9 141.6 0.3
14.|-- ww2.cox.com 60 44 26.7% 140.6 140.9 140.9 141.8 0.3
Fri Apr 5 18:19:21 PDT 2013
hetzner.de from a cox.net node:
...
5.|-- COX-68-12-8-132-static.coxinet.net 60 60 0.0% 11.6 15.3 15.8 35.1 4.9
6.|-- 68.1.5.161 60 60 0.0% 55.7 59.8 60.0 95.8 5.3
7.|-- nyk-s2-rou-1001.US.eurorings.net 60 60 0.0% 55.8 63.8 64.9 139.4 14.7
8.|-- nntr-s1-rou-1101.FR.eurorings.net 60 60 0.0% 149.8 154.1 154.1 171.9 4.3
9.|-- kehl-s2-rou-1103.DE.eurorings.net 60 60 0.0% 147.2 152.8 153.1 206.1 8.7
10.|-- ffm-s1-rou-1102.DE.eurorings.net 60 60 0.0% 143.3 147.7 147.7 177.2 5.0
11.|-- nbg-s1-rou-1001.DE.eurorings.net 60 60 0.0% 147.3 153.8 154.0 211.1 10.0
12.|-- kpn-gw.hetzner.de 60 44 26.7% 173.3 177.6 177.6 184.5 2.7
13.|-- hos-bb2.juniper3.rz2.hetzner.de 60 42 30.0% 170.3 175.1 175.2 203.1 5.6
14.|-- hos-tr4.ms-ex3k2.rz1.hetzner.de 60 44 26.7% 171.9 175.9 175.9 185.4 2.8
15.|-- www.hetzner.de 60 42 30.0% 170.4 175.1 175.2 187.0 4.1
Fri 5 Apr 2013 17:38:11 PDT
...
5.|-- COX-68-12-8-132-static.coxinet.net 60 60 0.0% 11.3 14.2 14.5 33.6 3.3
6.|-- 68.1.5.161 60 60 0.0% 56.2 61.1 61.8 135.6 11.6
7.|-- nyk-s2-rou-1001.US.eurorings.net 60 60 0.0% 56.0 60.6 61.0 121.1 8.7
8.|-- nntr-s1-rou-1101.FR.eurorings.net 60 58 3.3% 150.1 153.5 153.5 166.3 2.8
9.|-- kehl-s2-rou-1103.DE.eurorings.net 60 29 51.7% 147.5 152.0 152.1 170.8 5.3
10.|-- ffm-s1-rou-1102.DE.eurorings.net 60 28 53.3% 143.7 148.4 148.6 186.7 8.0
11.|-- nbg-s1-rou-1001.DE.eurorings.net 60 60 0.0% 147.2 151.8 151.9 178.2 4.7
12.|-- kpn-gw.hetzner.de 60 45 25.0% 172.7 177.0 177.0 197.4 4.0
13.|-- hos-bb2.juniper3.rz2.hetzner.de 60 41 31.7% 170.4 176.5 176.6 190.9 6.2
14.|-- hos-tr4.ms-ex3k2.rz1.hetzner.de 60 50 16.7% 171.8 175.6 175.6 183.1 2.8
15.|-- www.hetzner.de 60 47 21.7% 170.5 174.2 174.3 188.8 3.2
Fri 5 Apr 2013 19:22:36 PDT
But it has since subsided:
...
3.|-- hos-bb2.juniper4.rz2.hetzner.de 60 60 0.0% 2.7 2.9 3.4 41.4 5.0
4.|-- r1nue1.core.init7.net 60 60 0.0% 2.8 5.2 6.3 12.4 3.8
5.|-- r1nue2.core.init7.net 60 60 0.0% 2.9 4.0 4.7 14.0 3.2
6.|-- r1fra2.core.init7.net 60 60 0.0% 5.7 7.7 8.4 17.0 3.9
7.|-- r1fra1.core.init7.net 60 60 0.0% 5.9 8.7 9.3 17.1 3.7
8.|-- xe-4-2-2.fra23.ip4.tinet.net 60 60 0.0% 5.9 6.1 6.2 15.0 1.3
9.|-- xe-9-0-0.was14.ip4.tinet.net 60 60 0.0% 95.9 99.4 99.8 134.3 8.9
10.|-- cox-communications-gw.ip4.tinet.net 60 60 0.0% 100.0 100.5 100.5 104.0 0.6
11.|-- dukedsrj02-ge210.0.rd.at.cox.net 60 60 0.0% 113.2 116.7 117.1 163.6 10.9
12.|-- 68.1.15.238 60 60 0.0% 113.4 113.8 113.8 116.0 0.4
13.|-- 68.99.123.4 60 50 16.7% 115.6 115.9 115.9 116.6 0.2
14.|-- ww2.cox.com 60 59 1.7% 115.7 116.1 116.1 117.2 0.3
Fri Apr 5 19:46:48 PDT 2013
...
5.|-- COX-68-12-8-132-static.coxinet.net 60 60 0.0% 11.5 16.2 16.8 57.0 6.1
6.|-- 68.1.5.161 60 60 0.0% 56.3 61.5 61.8 105.1 6.5
7.|-- nyk-s2-rou-1001.US.eurorings.net 60 60 0.0% 56.6 63.9 64.6 122.2 11.0
8.|-- nntr-s1-rou-1101.FR.eurorings.net 60 60 0.0% 150.4 157.6 158.0 226.0 11.8
9.|-- kehl-s2-rou-1103.DE.eurorings.net 60 60 0.0% 147.7 152.5 152.7 206.0 7.7
10.|-- ffm-s1-rou-1102.DE.eurorings.net 60 60 0.0% 143.6 150.4 150.5 184.4 7.6
11.|-- nbg-s1-rou-1001.DE.eurorings.net 60 60 0.0% 147.7 154.6 155.2 261.1 15.2
12.|-- kpn-gw.hetzner.de 60 60 0.0% 148.0 153.1 153.2 175.2 4.2
13.|-- hos-bb2.juniper3.rz2.hetzner.de 60 60 0.0% 145.0 164.8 166.2 220.6 22.2
14.|-- hos-tr4.ms-ex3k2.rz1.hetzner.de 60 59 1.7% 145.8 152.5 152.6 166.7 4.4
15.|-- www.hetzner.de 60 58 3.3% 144.5 149.7 149.7 161.3 3.9
Fri 5 Apr 2013 20:53:59 PDT
With the end-to-end working, too.
Cheers,
Constantine.
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