Unicom's IPV6 seems to have no speed limit

September 25, 2018 3789 points heat 4 people like it 0 comments

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Yesterday, I searched the Internet for ipv6 speed measurement,
We found the speed measuring station of the University of Science and Technology of China at the top,
And then sadly found that the download rate was only 1Mbps
(Yes, I believe it.)
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Only just now did I realize that the world was so beautiful
Shanghai Unicom accesses the ipv6 node of cloudflare with a delay of about 75ms
The download rate is also normal, running steadily at 50 megabytes
Excellent experience
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With IPV6 access conditions
You can download an image at random and try the download rate
https://ssss.mdzz.top/
Note that only IPV6 access is supported!


By the way, post the access posture of Shanghai Unicom's ipv6
Take LEDE (openwrt) as an example (different versions may differ slightly),
After the wan interface pppoe dials normally,
In addition to this conventional WAN line,
A virtual dynamic interface will be added (DHCPv6 client)
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At this time, you can SSH in to the router,
Test whether the router can connect to the ipv6 network normally

For example, ping some public DNS

 #China Public IPv6 DNS ping 240C::6666   #CNNIC IPv6 DNS ping 2001:dc7:1000::1   #BaiDu Public IPv6 DNS ping 2400:da00::6666   #Google Public IPv6 DNS ping 2001:4860:4860::8888   #Cloudflare IPv6 DNS ping 2606:4700:4700::1111

perhaps

 curl ipv6.ip.sb  curl checkipv6.dyndns.com

If everything is normal, edit the LAN port configuration
Go to Network/Interface/LAN
General Settings Internal/Advanced Settings
Uncheck Use built-in IPv6 management

DHCP Server Settings/IPv6 Settings
Routing Announcement Service Server Mode
DHCPv6 service server mode
Refer to the following figure
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Save and apply, restart the router
Windows 10 has been allocated to the ipv6 address normally
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open https://www.test-ipv6.com/ Test
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Ojbk, get it
But the problem comes again,
Android devices do not support DHCP6,
Do you have any good methods to refer to
It allows Android devices to obtain public ipv6 addresses

Supplement at 13:00 on September 25, 2018
Under the guidance of the v2 boss
After changing the DHCPv6 mode in the above steps to stateless
The Android device can obtain the ipv6 address normally
See https://www.v2ex.com/t/492317

Gcod

If life is just like the first sight, what is the sad autumn wind painting fan

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