[GTER] a.ntp.br via ipv6 nao funciona

Alexandre J. Correa - Onda Internet alexandre at onda.psi.br
Fri Jun 19 13:40:45 -03 2009


root at cube [/home/alexandre]# ping6 a.ntp.br
PING a.ntp.br(a.ntp.br) 56 data bytes
64 bytes from a.ntp.br: icmp_seq=0 ttl=58 time=27.8 ms
64 bytes from a.ntp.br: icmp_seq=1 ttl=58 time=27.7 ms
64 bytes from a.ntp.br: icmp_seq=2 ttl=58 time=30.4 ms
64 bytes from a.ntp.br: icmp_seq=3 ttl=58 time=30.4 ms
64 bytes from a.ntp.br: icmp_seq=4 ttl=58 time=29.0 ms

root at cube [/home/alexandre]# /usr/sbin/ntpdate -q -6 a.ntp.br
server 2001:12ff::8, stratum 2, offset 0.071400, delay 0.04716
19 Jun 13:33:28 ntpdate[29780]: adjust time server 2001:12ff::8 offset 
0.071400 sec

root at cube [/home/alexandre]# /usr/sbin/ntpdate -6 a.ntp.br
19 Jun 13:33:38 ntpdate[29783]: no server suitable for synchronization found

SQN-BRD-CTBC01#sh ipv6 route 2001:12ff::
IPv6 Routing Table - 1759 entries
Codes: C - Connected, L - Local, S - Static, R - RIP, B - BGP
       U - Per-user Static route
       I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary
       O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2
       ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
B   2001:12FF::/32 [20/0]
     via 2001:1291:1601::A

root at cube [/home/alexandre]# traceroute 2001:12ff::8
traceroute to 2001:12ff::8 (2001:12ff::8), 30 hops max, 40 byte packets
 1  2001:12ac::1 (2001:12ac::1)  2.086 ms  2.904 ms  4.739 ms
 2  2001:1291:1601::a (2001:1291:1601::a)  9.267 ms  9.252 ms  9.259 ms
 3  2001:450:2002:cc::1 (2001:450:2002:cc::1)  19.506 ms  19.627 ms  
19.681 ms
 4  2001:450:2002:7f::2 (2001:450:2002:7f::2)  19.917 ms  19.651 ms  
19.704 ms
 5  ar01.bb1.registro.br (2001:12ff:2::228)  21.422 ms  21.550 ms  21.601 ms
 6  2001:12ff:2:2::147 (2001:12ff:2:2::147)  19.691 ms  19.218 ms  19.081 ms
 7  a.ntp.br (2001:12ff::8)  18.955 ms  19.144 ms  19.235 ms


epafras at ctbc.com.br wrote:
> Fred,
>
> a.dns.br  OK.
>
> epafras at M10-SEMENTE-RE0> ping a.dns.br 
> PING6(56=40+8+8 bytes) 2001:450:2002:cc::2 --> 2001:12ff::10
> 16 bytes from 2001:12ff::10, icmp_seq=0 hlim=60 time=17.244 ms
> 16 bytes from 2001:12ff::10, icmp_seq=1 hlim=60 time=16.986 ms
> 16 bytes from 2001:12ff::10, icmp_seq=2 hlim=60 time=17.257 ms
> 16 bytes from 2001:12ff::10, icmp_seq=3 hlim=60 time=17.206 ms
> ^C
> --- a.dns.br ping6 statistics ---
> 4 packets transmitted, 4 packets received, 0% packet loss
> round-trip min/avg/max/std-dev = 16.986/17.173/17.257/0.110 ms
>
> {master}
> epafras at M10-SEMENTE-RE0>
>
> {master}
> epafras at M10-SEMENTE-RE0> telnet a.dns.br port 53 
> Trying 2001:12ff::10...
> Connected to a.dns.br.
> Escape character is '^]'.
> ^C^]
> telnet> quit
> Connection closed.
>
> {master}
> epafras at M10-SEMENTE-RE0> 
>
> Abs.
>
> Epafras
>
>
>
>
>
>
> Re: [GTER] a.ntp.br via ipv6 nao funciona
>
> Frederico A C Neves 
> para:
> Grupo de Trabalho de Engenharia e Operacao de Redes
> 19/06/2009 12:10
>
>
> Enviado por:
> gter-bounces at eng.registro.br
> Responda a Grupo de Trabalho de Engenharia e Operacao de Redes 
>
>
>
>
>
>
> Epafras,
>
> Tem acesso v6 para a.dns.br ?
>
>  % dig -6 @a.dns.br br soa
>  ; <<>> DiG 9.4.3-P1 <<>> -6 @a.dns.br br soa
>  ...
>  ;; Query time: 17 msec
>  ;; SERVER: 2001:12ff::10#53(2001:12ff::10)
>  ;; WHEN: Fri Jun 19 12:13:28 2009
>  ;; MSG SIZE  rcvd: 330
>
> Fred
>
> On Fri, Jun 19, 2009 at 11:35:52AM -0300, epafras at ctbc.com.br wrote:
>   
>> Fala Edu,
>>
>> Pra ajudar....  daqui eu não tenho conectividade com este IP... apesar 
>>     
> de 
>   
>> receber a rota... o traceroute para no PTT...  veja...
>>
>>
>> Meu IP de origem é o da interface ....   2001:12f8::24/64
>>
>>
>> {master}
>> epafras at M10-SEMENTE-RE0> traceroute a.ntp.br 
>> traceroute6 to a.ntp.br (2001:12ff::8) from 2001:12f8::24, 64 hops max, 
>>     
> 12 
>   
>> byte packets
>>  1  as22548.sp.ptt.br (2001:12f8::1)  20.039 ms  20.020 ms  19.946 ms
>>  2  * * *
>>  3  * * ^C
>> {master}
>> epafras at M10-SEMENTE-RE0> show route 2001:12ff::8 
>>
>> inet6.0: 1781 destinations, 3211 routes (1781 active, 0 holddown, 0 
>> hidden)
>> + = Active Route, - = Last Active, * = Both
>>
>> 2001:12ff::/32     *[BGP/170] 02:16:01, localpref 160, from 
>>     
> 2001:12f8::253
>   
>>                       AS path: 22548 I
>>                     > to 2001:12f8::1 via ge-0/2/0.20
>>                     [BGP/170] 1w3d 14:50:11, localpref 160, from 
>> 2001:12f8::254
>>                       AS path: 22548 I
>>                     > to 2001:12f8::1 via ge-0/2/0.20
>>                     [BGP/170] 2d 10:08:00, MED 0, localpref 100
>>                       AS path: 3549 22548 I
>>                     > to 2001:450:2002:cc::1 via ge-0/3/0.907
>>                     [BGP/170] 6w2d 20:04:43, localpref 100
>>                       AS path: 12956 27664 22548 I
>>                     > to 2001:1498:1:a100:c1:6735:100:1 via 
>>     
> ge-0/2/0.4003
>   
>> {master}
>> epafras at M10-SEMENTE-RE0> ping a.ntp.br 
>> PING6(56=40+8+8 bytes) 2001:12f8::24 --> 2001:12ff::8
>> ^C
>> --- a.ntp.br ping6 statistics ---
>> 10 packets transmitted, 0 packets received, 100% packet loss
>>
>> {master}
>> epafras at M10-SEMENTE-RE0> 
>>
>> Grande Abraço,
>>
>> Epafras
>> CTBC
>>
>>
>>
>>
>>
>>
>> Re: [GTER] a.ntp.br via ipv6 nao funciona
>>
>> Eduardo Ascenço Reis 
>> para:
>> Grupo de Trabalho de Engenharia e Operacao de Redes
>> 19/06/2009 11:25
>>
>>
>> Enviado por:
>> gter-bounces at eng.registro.br
>> Responda a Grupo de Trabalho de Engenharia e Operacao de Redes 
>>
>>
>>
>>
>>
>>
>> Caro Alexandre,
>>
>> Como bem colocado pelo Wilson, uma análise de conectividade IPv6 poderá 
>> nos
>> ajudar nesse caso.
>>
>> 2009/6/19 Wilson Rogerio Lopes <wilson at registro.br>
>>
>>     
>>> Bem, antes de tudo, não custa ter certeza de que você tem 
>>>       
> conectividade 
>   
>> v6
>>     
>>> ao
>>> servidor a.ntp.br
>>>
>>> $ ping6 a.ntp.br
>>> PING6(56=40+8+8 bytes) 2001:12ff:0:2::4 --> 2001:12ff::8
>>> 16 bytes from 2001:12ff::8, icmp_seq=0 hlim=62 time=0.569 ms
>>> 16 bytes from 2001:12ff::8, icmp_seq=1 hlim=62 time=0.666 ms
>>> 16 bytes from 2001:12ff::8, icmp_seq=2 hlim=62 time=0.600 ms
>>>
>>>       
>> Por favor, informe (pela lista ou pvt) o endereço IPv6 do seu host que 
>> está
>> fazendo os testes, e nos envie testes de ping6 e traceroute6 a partir 
>>     
> dele
>   
>> para o a.ntp.br. Depois iremos fazer os testes no sentido inverso.
>>
>> Abraços,
>>
>> -- 
>>
>> Eduardo Ascenço Reis
>> <eduardo at intron.com.br>
>> --
>> gter list    https://eng.registro.br/mailman/listinfo/gter
>>
>> --
>> gter list    https://eng.registro.br/mailman/listinfo/gter
>>     
> --
> gter list    https://eng.registro.br/mailman/listinfo/gter
>
> --
> gter list    https://eng.registro.br/mailman/listinfo/gter
>
>   


-- 
Sds.

Alexandre Jeronimo Correa

Onda Internet
www.onda.net.br

IPV6 Ready !
www.ipv6.onda.net.br




More information about the gter mailing list