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Old 07-07-2014, 06:17 AM   #1
superweijiafeng
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Registered: Aug 2013
Posts: 10

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Cannot connect to ipv6 website with ipv6 address


I have got ipv6 address, however, I cannot connect to ipv6 google for some reason. I have try something like rebooting or changing my mac address. And nothing worked. Strangely, other guys in the same room using windows7 can connect to ipv6 google freely. And I start win7 in my vmware using bridged network, it can also get connection to ipv6 google. It seems there exists some mistakes in my configuration.


Code:
ifconfig -a eth0
eth0      Link encap:Ethernet  HWaddr 00:25:22:de:5b:50
          inet addr:114.212.203.128  Bcast:114.212.207.255  Mask:255.255.248.0
          inet6 addr: 2001:da8:1007:4001::3:373d/128 Scope:Global
          inet6 addr: fe80::225:22ff:fede:5b50/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2319 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2649 errors:0 dropped:0 overruns:0 carrier:1
          collisions:0 txqueuelen:1000 
          RX bytes:1503144 (1.5 MB)  TX bytes:350885 (350.8 KB)
Code:
ping6 ipv6.google.com
PING ipv6.google.com(hkg03s10-in-x02.1e100.net) 56 data bytes
From hkg03s10-in-x02.1e100.net icmp_seq=1 Destination unreachable: Address unreachable
From hkg03s10-in-x02.1e100.net icmp_seq=2 Destination unreachable: Address unreachable
From hkg03s10-in-x02.1e100.net icmp_seq=3 Destination unreachable: Address unreachable
From hkg03s10-in-x02.1e100.net icmp_seq=4 Destination unreachable: Address unreachable
Code:
netstat -r
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
default         114-212-200-1.n 0.0.0.0         UG        0 0          0 eth0
114.212.200.0   *               255.255.248.0   U         0 0          0 eth0
172.16.223.0    *               255.255.255.0   U         0 0          0 vmnet1
192.168.176.0   *               255.255.255.0   U         0 0          0 vmnet8
Code:
ip -6 route
2001:da8:1007:4001::3:373d dev eth0  proto kernel  metric 256 
fe80::/64 dev eth0  proto kernel  metric 256 
fe80::/64 dev vmnet1  proto kernel  metric 256 
fe80::/64 dev vmnet8  proto kernel  metric 256 
default via fe80::da49:bff:fe91:e98f dev eth0  proto static  metric 1 
default via fe80::da49:bff:fe91:e98f dev eth0  proto ra  metric 1024  expires 1151sec
 
Old 07-07-2014, 10:57 PM   #2
jefro
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If you used bridged in vm then if all things being equal I'd almost guess driver issue or firewall issue.



Your command for netstat is not correct for ipv6.

I might be tempted to run traceroute.

Guess it is possible that your dns/gateway for ipv6 is wrong somehow. Can compare that to w7 systems.

Prior answer tells to check gateway. http://www.linuxquestions.org/questi...le-4175442765/
 
Old 07-07-2014, 11:30 PM   #3
superweijiafeng
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Registered: Aug 2013
Posts: 10

Original Poster
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I find out the problem is in default route.

ip -6 neigh
Quote:
fe80::da49:bff:fe91:e98f dev eth0 router INCOMPLETE
The incomplete is the problem. However, I don't know how to solve it. So I just reinstall the ubuntu system and now everything is OK.

ip -6 neigh
Quote:
fe80::da49:bff:fe91:e98f dev eth0 lladdr d8:49:0b:91:e9:8f router REACHABLE
fe80::218:8bff:fe7a:2476 dev eth0 lladdr 00:18:8b:7a:24:76 STALE
 
Old 07-08-2014, 04:55 PM   #4
jefro
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Thanks for the solution.
 
  


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