[caiu] Perda de pacotes dns google via PTT

Eduardo Rigler erigler em gmail.com
Sexta Maio 9 20:33:58 BRT 2014


4.2.2.1 também :)

[]'s
Em 09/05/2014 20:17, "Diego Canton De Brito" <diegocanton em ensite.com.br>
escreveu:

> 4.2.2.2 a 4.2.2.6 pertencem a level3
>
>
> Enviado por Samsung Mobile
>
> -------- Mensagem original --------
> De : "J. Tozo" <juniorbsd em gmail.com>
> Data:09/05/2014  19:53  (GMT-03:00)
> Para: Lista das indisponibilidades da Internet brasileira <
> caiu em eng.registro.br>
> Assunto: Re: [caiu] Perda de pacotes dns google via PTT
>
> Ascenco,
>
> Conforme reportado a perda acontece apenas para os endereços 8.8.8.8 e
> 8.8.4.4 respectivamente DNS primario e secundario porem o mesmo nao ocorre
> para o servidor de DNS terciario 4.2.2.2.
>
> Para as outros endereços realmente nao ocorre perda.
>
>
>
>
> 2014-05-09 19:39 GMT-03:00 Eduardo Ascenco Reis <eascenco em nic.br>:
>
> > Prezados Colegas,
> >
> > A perda de pacotes observada para testes de ping (ICMP) não ocorre para
> > IPv6 e nem para o tráfego de aplicações (e.g tcp/80).
> >
> > Segue alguns testes:
> >
> > ##################################################################
> >
> > ptt.br (200.160.1.10) :~$ date; mtr -n -r -c 10 www.google.com
> > Sex Mai  9 19:33:41 BRT 2014
> > HOST: fly                         Loss%   Snt   Last   Avg  Best  Wrst
> > StDev
> >   1.|-- 2001:12ff:0:1::1           0.0%    10    0.3   0.3   0.3   0.4
> > 0.0
> >   2.|-- 2001:12ff:2:1::252         0.0%    10    0.4   2.8   0.3  23.8
> > 7.4
> >   3.|-- 2001:12ff:1::173           0.0%    10    6.3   2.5   0.4  15.6
> > 4.9
> >   4.|-- 2001:12f8::218:58          0.0%    10    1.0   1.1   1.0   1.8
> > 0.3
> >   5.|-- 2001:4860::1:0:4f24        0.0%    10   10.5  14.3   1.6  20.7
> > 5.5
> >   6.|-- 2001:4860::1:0:468c        0.0%    10   10.9  11.5  10.8  17.3
> > 2.0
> >   7.|-- 2001:4860:0:1::74d         0.0%    10   11.0  11.0  10.9  11.0
> > 0.0
> >   8.|-- 2800:3f0:4004:801::1014    0.0%    10   10.8  10.8  10.8  10.8
> > 0.0
> > ptt.br (200.160.1.10) :~$
> >
> > ##################################################################
> >
> > ptt.br (200.160.1.10) :~$ date; mtr -4 -n -r -c 10 www.google.com
> > Sex Mai  9 19:33:58 BRT 2014
> > HOST: fly                         Loss%   Snt   Last   Avg  Best  Wrst
> > StDev
> >   1.|-- 200.160.1.14               0.0%    10    0.3   1.8   0.3  14.6
> > 4.5
> >   2.|-- 200.160.0.252              0.0%    10    0.3   3.3   0.3  29.8
> > 9.3
> >   3.|-- 200.160.0.173              0.0%    10    0.4   0.4   0.4   0.4
> > 0.0
> >   4.|-- 187.16.218.58             30.0%    10    1.0   1.1   1.0   1.1
> > 0.0
> >   5.|-- 209.85.254.54             30.0%    10    1.2   5.9   1.1  34.6
> >  12.6
> >   6.|-- 72.14.235.143             20.0%    10   10.6  10.7  10.5  11.4
> > 0.3
> >   7.|-- 209.85.253.171            20.0%    10   10.9  10.8  10.8  10.9
> > 0.0
> >   8.|-- 173.194.42.178            10.0%    10    8.6   8.6   8.6   8.6
> > 0.0
> > ptt.br (200.160.1.10) :~$
> >
> >
> > ##################################################################
> >
> > ptt.br (200.160.1.10) :~$ date; tcptraceroute www.google.com
> > Sex Mai  9 19:36:36 BRT 2014
> > Selected device eth0, address 200.160.1.10, port 48165 for outgoing
> packets
> > Tracing the path to www.google.com (173.194.42.177) on TCP port 80
> > (http), 30 hops max
> >  1  ae1-22.ar3.nu.ptt.br (200.160.1.14)  0.342 ms  0.284 ms  0.276 ms
> >  2  ae0-0.core2.nu.registro.br (200.160.0.252)  0.362 ms  0.291 ms 0.300
> > ms
> >  3  xe-0-0-1-0.gw2.nu.registro.br (200.160.0.173)  0.349 ms  0.329 ms
> > 0.322 ms
> >  4  as15169-s2.sp.ptt.br (187.16.218.58)  1.037 ms  0.991 ms  0.982 ms
> >  5  209.85.254.136  1.416 ms  1.423 ms  1.412 ms
> >  6  209.85.245.53  10.891 ms  10.949 ms  10.889 ms
> >  7  * * *
> >  8  rio01s06-in-f17.1e100.net (173.194.42.177) [open]  13.025 ms 13.024
> > ms  13.030 ms
> > ptt.br (200.160.1.10) :~$
> >
> > ##################################################################
> >
> >
> > Atenciosamente,
> >
> > --
> >
> > Eduardo Ascenço Reis
> >
> >
> > PTT.br - http://ptt.br/
> > NIC.br - http://nic.br/
> > _______________________________________________
> > caiu mailing list
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> >
> >
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> >
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> >
>
>
>
> --
> Grato,
>
> Tozo
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