How to configure Huawei EG8145V5 to use LAN PORT as WAN INTERNET PORT
Configure your PC to static 192.168.100.10
Access your Router Gui 192.168.100.1
Login and do the configuration (telecomadmin/admintelecom)
Advance/Maintenance/Upstream Port (LAN1)
Advance/LAN Port Configuration (LAN2/LAN3/LAN4)
Advance/WAN/Add WAN Configuration
= Encapsulation Mode - IPOE (DYNAMIC)
= Service Type - INTERNET
= Bridging Options - LAN2/LAN3/LAN4
= Vlan - DISABLED
Configure your PC to dynamic
FYI
If you skip this procedure
Advance/lan Port Configuration LAN2/LAN3LAN4..
your huawei 5v5 became an acess point/switch only
connected clients on huawei 5v5 getting IP address from your first router
(check your ip address details)