[190602] in North American Network Operators' Group
Re: packet loss question
daemon@ATHENA.MIT.EDU (Mel Beckman)
Sun Jul 10 20:26:26 2016
X-Original-To: nanog@nanog.org
From: Mel Beckman <mel@beckman.org>
To: James Greig <James@mor-pah.net>
Date: Mon, 11 Jul 2016 00:26:15 +0000
In-Reply-To: <23A78013-F030-413C-8E34-5AD7D2BEB1E8@mor-pah.net>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
James,
You may be thinking of this presentation:=20
https://www.nanog.org/meetings/nanog47/presentations/Sunday/RAS_Traceroute_=
N47_Sun.pdf
-mel beckman
> On Jul 10, 2016, at 4:49 PM, James Greig <James@mor-pah.net> wrote:
>=20
> There was a useful nanog presentation somewhere that explained this reall=
y well in particular reading traceroutes correctly
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> Kind regards
>=20
> James Greig=20
>=20
>> On 7 Jul 2016, at 20:17, Phillip Lynn <phillip.lynn@netwolves.com> wrote=
:
>>=20
>> Hi all,
>>=20
>> I am writing because I do not understand what is happening. I ran mtr a=
gainst our email server and www.teco.comand below are the results. I am no=
t a network engineer so I am at a loss. I think what I am seeing is maybe =
a hand off issue, between Frontier and Level3Miami2. If I am correct then w=
hat can I do?
>>=20
>> My system is running Centos 6.5 Linux.
>>=20
>> Thanks,
>>=20
>> Phillip
>>=20
>>=20
>>=20
>> (! 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
>>=20
>> (! 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
>>=20
>> --=20
>> Phillip Lynn
>> Software Engineer III
>> NetWolves
>> Phone:813-579-3214
>> Fax:813-882-0209
>> Email: phillip.lynn@netwolves.com
>> www.netwolves.com
>>=20
>=20
