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Author Topic: ipv6 tunnel anq Google services  (Read 2297 times)

natriy81

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  • Posts: 3
ipv6 tunnel anq Google services
« on: November 07, 2014, 06:09:15 AM »

Hi,
I have a problem to get Google services (gmail, youtube, i.e.)  over ipv6 tunnel:
Code: [Select]
ping ipv6  ipv6.google.com  size 1000 source Tun1         

Type escape sequence to abort.
Sending 5, 1000-byte ICMP Echos to 2A00:1450:4010:C08::65, timeout is 2 seconds:
Packet sent with a source address of <omitted>
CCCCC
Success rate is 0 percent (0/5)

...

ping ipv6  ipv6.google.com  source Tun1         

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2A00:1450:4010:C04::65, timeout is 2 seconds:
Packet sent with a source address of <omitted>
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 84/84/84 ms

But other  hosts are  available:
Code: [Select]
ping ipv6 www.ipv6tf.org  size 1000 source Tun1 

Type escape sequence to abort.
Sending 5, 1000-byte ICMP Echos to 2A02:2E00:F000:1500:20C:29FF:FEF3:F557, timeout is 2 seconds:
Packet sent with a source address of <omitted>
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 160/163/172 ms

ping ipv6 ipv6.nnm-club.me  size 1000 source Tun1

Type escape sequence to abort.
Sending 5, 1000-byte ICMP Echos to 2001:470:26:482::2, timeout is 2 seconds:
Packet sent with a source address of <omitted>
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 68/71/76 ms

Configuration of ipv6 tunnel:

Code: [Select]
sh run int tun1
Building configuration...

Current configuration : 352 bytes
!
interface Tunnel1
 description -= Hurricane Electric IPv6 Tunnel Broker =-
 no ip address
 ipv6 address <omitted>
 ipv6 enable
 ipv6 traffic-filter ToTunnelBroker in
 ipv6 mtu 1280
 ipv6 inspect tunnel-broker out
 ipv6 virtual-reassembly
 keepalive 10 3
 tunnel source Loopback1
 tunnel destination <omitted>
 tunnel mode ipv6ip
end

How can I fix ?
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cholzhauer

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  • Posts: 2715
Re: ipv6 tunnel anq Google services
« Reply #1 on: November 07, 2014, 06:14:54 AM »

I'm confused...what exactly are you trying to accomplish?
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natriy81

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  • Posts: 3
Re: ipv6 tunnel anq Google services
« Reply #2 on: November 07, 2014, 06:26:14 AM »

Sites  gmail.com, yoube.com, google.com  open  too slow, because  packets size  bigger than  64 bytes are dropped:

Code: [Select]
ping6 ipv6.google.com  -s 64
PING ipv6.google.com(2a00:1450:4010:c07::65) 64 data bytes
72 bytes from 2a00:1450:4010:c07::65: icmp_seq=1 ttl=55 time=86.9 ms
72 bytes from 2a00:1450:4010:c07::65: icmp_seq=2 ttl=55 time=88.1 ms
72 bytes from 2a00:1450:4010:c07::65: icmp_seq=3 ttl=55 time=86.1 ms
72 bytes from 2a00:1450:4010:c07::65: icmp_seq=4 ttl=55 time=86.1 ms
72 bytes from 2a00:1450:4010:c07::65: icmp_seq=5 ttl=55 time=88.1 ms

 ping6 ipv6.google.com  -s 65
PING ipv6.google.com(2a00:1450:4010:c07::65) 65 data bytes
72 bytes from 2a00:1450:4010:c07::65: icmp_seq=1 ttl=55 (truncated)
72 bytes from 2a00:1450:4010:c07::65: icmp_seq=2 ttl=55 (truncated)
72 bytes from 2a00:1450:4010:c07::65: icmp_seq=3 ttl=55 (truncated)
72 bytes from 2a00:1450:4010:c07::65: icmp_seq=4 ttl=55 (truncated)
72 bytes from 2a00:1450:4010:c07::65: icmp_seq=5 ttl=55 (truncated)
72 bytes from 2a00:1450:4010:c07::65: icmp_seq=6 ttl=55 (truncated)
72 bytes from 2a00:1450:4010:c07::65: icmp_seq=7 ttl=55 (truncated)
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gnarlymarley

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  • Posts: 19
Re: ipv6 tunnel anq Google services
« Reply #3 on: November 08, 2014, 06:15:46 AM »

this is only an issue with he.net's tunnel.  You can sign up for a gogonet tunnel and it works fine.
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kcochran

  • Sr. Network Engineer, Hurricane Electric
  • Administrator
  • Sr. Member
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  • Posts: 415
Re: ipv6 tunnel anq Google services
« Reply #4 on: November 09, 2014, 06:31:41 PM »

You're likely hitting a different cluster of Google's which isn't exhibiting this on a gogo tunnel.  SixXS was also seeing this in spots.  As it is, it should be resolved according to Google.
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natriy81

  • Newbie
  • *
  • Posts: 3
Re: ipv6 tunnel anq Google services
« Reply #5 on: November 09, 2014, 11:24:45 PM »

You're likely hitting a different cluster of Google's which isn't exhibiting this on a gogo tunnel.  SixXS was also seeing this in spots.  As it is, it should be resolved according to Google.

Thanks you. I changed  ipv6 forwarders   in my named.conf.  After that the  problem was fixed:
Code: [Select]
ping6 ipv6.google.com -s 1400
PING ipv6.google.com(fra07s30-in-x03.1e100.net) 1400 data bytes
1408 bytes from fra07s30-in-x03.1e100.net: icmp_seq=1 ttl=57 time=61.8 ms
1408 bytes from fra07s30-in-x03.1e100.net: icmp_seq=2 ttl=57 time=61.0 ms
1408 bytes from fra07s30-in-x03.1e100.net: icmp_seq=3 ttl=57 time=61.7 ms
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