[190601] in North American Network Operators' Group
Re: packet loss question
daemon@ATHENA.MIT.EDU (James Greig)
Sun Jul 10 19:49:04 2016
X-Original-To: nanog@nanog.org
From: James Greig <James@mor-pah.net>
In-Reply-To: <577EAAD4.5010405@netwolves.com>
Date: Mon, 11 Jul 2016 00:48:56 +0100
To: Phillip Lynn <phillip.lynn@netwolves.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
There was a useful nanog presentation somewhere that explained this really w=
ell in particular reading traceroutes correctly
Kind regards
James Greig=20
> On 7 Jul 2016, at 20:17, Phillip Lynn <phillip.lynn@netwolves.com> wrote:
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> Hi all,
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> I am writing because I do not understand what is happening. I ran mtr ag=
ainst our email server and www.teco.comand below are the results. I am not a=
network engineer so I am at a loss. I think what I am seeing is maybe a ha=
nd off issue, between Frontier and Level3Miami2. If I am correct then what c=
an I do?
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> My system is running Centos 6.5 Linux.
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> Thanks,
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> Phillip
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> (! 1011)-> sudo mtr -r netwolves.securence.com
> HOST: xxxxx@netwolves.comLoss% Snt Last Avg Best Wrst StDev
> 1. 172.24.109.1 0.0% 10 0.6 0.6 0.6 0.7 0.0
> 2. lo0-100.TAMPFL-VFTTP-322.gni 0.0% 10 3.2 2.0 1.0 4.3 1.2
> 3. 172.99.44.214 0.0% 10 4.0 4.9 2.3 6.9 1.5
> 4. ae8---0.scr02.mias.fl.fronti 0.0% 10 9.3 9.1 7.5 9.8 1.0
> 5. ae1---0.cbr01.mias.fl.fronti 0.0% 10 8.9 9.1 7.6 9.7 0.7
> 6. lag-101.ear3.Miami2.Level3.n 80.0% 10 9.0 8.9 8.8 9.0 0.1
> 7. 10ge9-14.core1.mia1.he.net 0.0% 10 14.3 13.0 7.6 18.1 4.3
> 8. 10ge1-1.core1.atl1.he.net 0.0% 10 25.6 33.2 22.4 99.7 23.6=
> 9. 10ge10-4.core1.chi1.he.net 0.0% 10 45.6 51.8 45.5 82.7 12.5=
> 10. 100ge14-2.core1.msp1.he.net 0.0% 10 53.6 63.9 53.6 125.2 21.8=
> 11. t4-2-usi-cr02-mpls-usinterne 0.0% 10 53.2 73.1 53.2 225.6 54.0=
> 12. v102.usi-cr04-mtka.usinterne 0.0% 10 53.2 53.9 53.2 55.3 0.6=
> 13. netwolves.securence.com 0.0% 10 53.4 53.9 53.4 55.4 0.7=
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> (! 1014)-> sudo mtr -r www.teco.com
> HOST: xxxxx@netwolves.comLoss% Snt Last Avg Best Wrst StDev
> 1. 172.24.109.1 0.0% 10 0.6 0.6 0.6 0.7 0.0
> 2. lo0-100.TAMPFL-VFTTP-322.gni 0.0% 10 104.8 81.4 1.1 113.2 43.2
> 3. 172.99.47.198 0.0% 10 115.0 77.8 2.9 115.0 40.2
> 4. ae7---0.scr01.mias.fl.fronti 0.0% 10 111.1 80.2 8.5 113.5 41.3
> 5. ae0---0.cbr01.mias.fl.fronti 0.0% 10 105.9 82.2 7.6 115.4 33.8=
> 6. lag-101.ear3.Miami2.Level3.n 70.0% 10 116.1 80.2 8.5 116.1 62.0=
> 7. NTT-level3-80G.Miami.Level3. 0.0% 10 110.0 81.5 9.0 120.3 41.9
> 8. ae-3.r20.miamfl02.us.bb.gin. 0.0% 10 119.8 84.0 10.0 119.8 38.5=
> 9. ae-4.r23.asbnva02.us.bb.gin. 10.0% 10 137.4 107.6 30.1 142.7 45.7=
> 10. ae-2.r05.asbnva02.us.bb.gin. 0.0% 10 135.0 109.9 36.6 140.0 39.1=
> 11. xe-0-9-0-8.r05.asbnva02.us.c 0.0% 10 147.5 125.6 49.4 165.5 41.1=
> 12. 24.52.112.21 0.0% 10 158.6 124.0 49.6 161.3 41.5=
> 13. 24.52.112.42 0.0% 10 151.0 127.7 52.2 159.0 41.2=
> 14. ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
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> --=20
> Phillip Lynn
> Software Engineer III
> NetWolves
> Phone:813-579-3214
> Fax:813-882-0209
> Email: phillip.lynn@netwolves.com
> www.netwolves.com
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