[190613] in North American Network Operators' Group
Re: packet loss question
daemon@ATHENA.MIT.EDU (James Greig)
Mon Jul 11 17:49:09 2016
X-Original-To: nanog@nanog.org
From: James Greig <James@mor-pah.net>
In-Reply-To: <0050804F-9510-4605-9D89-66BF748DDC9A@beckman.org>
Date: Mon, 11 Jul 2016 22:49:01 +0100
To: Mel Beckman <mel@beckman.org>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
That's the one:)=20
Kind regards
James Greig=20
> On 11 Jul 2016, at 01:26, Mel Beckman <mel@beckman.org> wrote:
>=20
> James,
>=20
> You may be thinking of this presentation:=20
>=20
> https://www.nanog.org/meetings/nanog47/presentations/Sunday/RAS_Traceroute=
_N47_Sun.pdf
>=20
> -mel beckman
>=20
>> 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
>>=20
>> 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 not=
a network engineer so I am at a loss. I think what I am seeing is maybe a h=
and off issue, between Frontier and Level3Miami2. If I am correct then what c=
an 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
