[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/
> > _______________________________________________
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>
>
> --
> Grato,
>
> Tozo
> _______________________________________________
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