Article directory
foreword
Recently, China Telecom is finally willing to issue the v6 address. It has to be configured for the router. It has been in the closed state before, and it is reset today. Since then, there are v4 and v6 dual public network addresses.
network structure
- light cat is set to
桥接 - The router is set to
PPPoE拨号 - Other devices are
无线/有线connected to the router through - The following content is all performed on OpenWrt 22.03 and above
1. WAN port settings
Select 网络-> 接口-> WAN Interface -> Edit -> Advanced Settings
获取 IPv6 地址: Set as自动
IPv6 分配长度: Set as已禁用
Save the application after setting
2. LAN port settings
Select 网络-> 接口-> LAN Interface -> Edit -> Advanced Settings
IPv6 分配长度: set to 64(this is set according to the length allocated by the operator)
- Then select
DHCP服务器->IPv6设置 RA服务: Set as服务器模式DHCPv6 服务: Set as服务器模式NDP 代理: Set as已禁用
IPv6 RA设置as shown in the picture
Save the application after setting
Supplement: In the service mode, select the server mode if there is PD distribution, and select the relay mode if there is no PD distribution
3. NAT6 configuration
If the obtained IPv6 is a public network, this step is completely unnecessary!!
NAT6 configuration needs to complete the above steps
Select 网络-> 防火墙-> NAT规则, add a rule
名称:nat6限制地址类型: Set as仅IPv6协议: Set as任何出站区域: Set aswan源地址: Set as任意目标地址: Set as任意操作: Set asMASQUERADE
Save the application after setting
4. Interface status
- WAN
There are two interfaces for WAN, which are connected wanwithwan_6
In wan, fe80the IPv6 address at the beginning is a dhcpv6 address issued by an optical modem, which is a LAN address
In wan_6, the IPv6 address is the address you get after dialing, and this address is IPv6-PDdistributed according to
- LAN
In lan, the 240eIPv6 address is issued according to IPv6-PDthe distribution, called, fdfe:f2da:46c8::1/64but the address issued to the LAN, one is a random address, and the other is a short address
5. Website testing
The following two websites are pure IPv6 websites. If you can visit them, it means that your IPv6 configuration is successful~
Generally speaking
240eChina Telecom2408It started with China Unicom2409It starts with China Mobile/Railcom
6. About port release
If you have a v6 address on the public network and want to set ddns, you need to allow the port, just go to the firewall and set it up, just like v4
网络-> 防火墙-> 端口转发, just add a rule, the default is shared by v4+v6
Afterword
Although IPv6 has been promoted, it may take 4-5 years for it to be truly popularized. But, I can use it, but I can’t
enjoy ~