Geekzone IPv6 higher ping than v4

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raytaylor

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#64924 25-Jul-2010 23:03

Hi guys
I am on a slingshot connection and just installed ipv6 and for some reason a ping to www.geekzone.co.nz is 64ms

Reply from 210.48.73.74: bytes=32 time=64ms TTL=121
Reply from 210.48.73.74: bytes=32 time=64ms TTL=121

but a ping to ipv6.geekzone.co.nz is 500ms

Reply from 2405:6000:f:100::1:2: time=520ms
Reply from 2405:6000:f:100::1:2: time=519ms

any idea why this would be?

Ray Taylor

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kyhwana2

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#356246 25-Jul-2010 23:05

Sounds like you have a v6 tunnel that terminates somewhere in the US or you're using teredo?
Whats your v6 address and how are you getting v6 connectivity?

freitasm

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#356265 25-Jul-2010 23:45

If you are using a tunnel then your connection goes to a gateway and back - most likely outside the country.

If you are using Windows do a "tracert -4 geekzone.co.nz" and compare to "tracert -6 geekzone.co.nz" and you will see the difference.

freitasm

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#356267 25-Jul-2010 23:47

Also you can try "ping -6 geekzone.co.nz" and "ping -4 geekzone.co.nz" to compare.

raytaylor

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#356271 25-Jul-2010 23:53

Yea it must be a tunnel.
I just found out that windows xp cannot do native ipv6 over a PPP connection. And i just found in my ipconfig results

Tunnel adapter 6to4 Tunneling Pseudo-Interface:

        Connection-specific DNS Suffix . :
        IP Address. . . . . . . . . . . . : 2002:77e0:b1f::77e0:b1f
        Default Gateway . . . . . . . . . : 2002:c058:6301::c058:6301

which must be what is allowing me to access ipv6.geekzone.co.nz
Still cannot get anything else to work like the ipv6 geekzone logo. Winxp must be prefering ipv4 over ipv6

Ray Taylor

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Regs

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Snowflake

#356289 26-Jul-2010 00:41

do slingshot even do ipv6?

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Detruire

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#356306 26-Jul-2010 02:46

Regs: do slingshot even do ipv6?

They didn't last time anyone on the forums checked.

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Chippo

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#356492 26-Jul-2010 13:26

2002::/16 is a 6to4 address. Seen a few of these since geekzone went IPv6 native. This is a somewhat automated IPv6 tunnel protocol that routes all traffic via the closet relay; this will have the address 192.88.99.1.

Most people with 6to4 are terminating their IPv6 tunnels at Hurricane Electric in the US. All your IPv6 traffic then bounces via the US, where your IPv4 traffic does not. This should show up on an IP trace.

I haven't played too much with Windows and 6to4. My running theory is that because you don't have any IPv6 DNS servers assigned your computer is preferring IPv4.

I work for a global Data Protection Software company - But my opinions are my own.

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freitasm

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#356494 26-Jul-2010 13:28

Even when the DNS return AAAA records - as per my other thread...

Chippo

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#356499 26-Jul-2010 13:31

freitasm: Even when the DNS return AAAA records - as per my other thread...

Question is, does windows request AAAA and then A, Ignoring any valid AAAA returned. Or does it just request the A unless you specifically force it to check for an AAAA (Say, by using ping -6).

I suspect they may not be requesting AAAA. For people with no IPv6 this saves a few ms if the record doesn't exist. If you enter valid IPv6 DNS servers to your IPv6 configuration (Windows Vista/7 only I believe) does it then request an AAAA first?

I work for a global Data Protection Software company - But my opinions are my own.

freitasm

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#356501 26-Jul-2010 13:33

I tried entering a valid IPv6 DNS but same problem - check the other discussion with details on interface configuration - only Local Link IP assigned, not IP address (strange).