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Multiple NAT environment and DDNS service cannot work in this environment.

squallshen
Level 1
Level 1

Hi,

I' m sorry if i wrong write this topic in here. I have problem with my Modem(support router) and Router.

1. How to use my second router (RT-AC5300) as Primary Router

2. How my make my network is LAN-LAN

3. My DDNS Service can not work (error log: The wireless router currently uses a private WAN IP address.This router may be in the multiple-NAT environment and DDNS service cannot work in this environment.

4. Sometimes the Second router can not get IP Address from 1st router, when i change static ip address for second router then always (60%) DNS Error.

Router 1

Cisco DPC3828S DOCSIS 3.0 SB-WiFi(3x3) Gateway and connect with my Provider

Internet IP Address: 139.194.103.34
Subnet Mask: 255.255.255.128
Default Gateway: 139.194.103.1
DNS IPv4 1: 8.8.8.8
DNS IPv4 2: 209.244.0.3
DNS IPv4 3: 119.252.20.75

LAN (DPC3828S)

Internet IP Address: 192.168.0.1 / 24

Subnet Mask: 255.255.255.0

DHCP Server: Enabled Starting IP Address: 192.168.0.2 End IP Address: 192.168.0.120



Router 2

Asus RT-AC5300

External IP Address: 192.168.0.2

Subnet Mask: 255.255.255.0

Default Gateway: 192.168.0.1

DNS IPv4 1: 8.8.8.8

Internal IP Address: 192.168.1.1

Subnet Mask: 255.255.255.0

DHCP Server: Enable


Router 3

Linksys WRT1900AC

External IP Address: 192.168.1.2

Subnet Mask: 255.255.255.0

Default Gateway: 192.168.1.1

DNS IPv4 1: 192.168.1.1

Internal IP Address: Automatic

Subnet Mask: 255.255.255.0

DHCP Server: Disable

Router 4

 Linksys E1200

External IP Address: 192.168.1.2

Subnet Mask: 255.255.255.0

Default Gateway: 192.168.1.1

DNS IPv4 1: 192.168.1.1

Internal IP Address: Automatic

Subnet Mask: 255.255.255.0

DHCP Server: Disable

Thank you, please help

Regards,

Shen

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