ISP Configuration in case of TATA (Useful for Indian Customers willing to configure an unmanaged TATA ILL) ** This is useful in case you are not provided with a MUX or a ROUTER along with the Internet Link form the ISP** If you are a customer willing to configure an unmanaged TATA ISP where you are provided with a LAN IP POOL and WAN IP POOL from the ISP end then follow the below steps as mentioned: Considerations: WAN IP AT THE CUSTOMER END: 1.1.1.1/30 WAN IP AT THE ISP END (This is the ISP Gateway): 1.1.1.2/30 LAN IP POOL GIVEN TO THE CUSTOMER BY THE ISP: 3.3.3.0/29 Configure as following: Configure the WAN interface with 1.1.1/30 as its IP address. Create two static routes: Route Name: TATA_WAN, Destination: 0.0.0.0/0, Interface: WAN Interface, Next Hop: 1.1.2/32, Metric: 10 Route Name: TATA_LAN, Destination: 3.3.1/32 (use any IP from the LAN Pool as the LAN Gateway), Interface: WAN interface, Next Hop: 1.1.1.2/32, Metric: 10. Create a source NAT for Internet access: Provide a useful name Select source zone as LAN Select Destination zone as WAN Interface as the WAN interface Source Translation, dynamic IP/port, Address type: Translated address: 3.3.2/32 Create a policy rule as required. Check your Public IP as you should see 3.3.3.2 as your public IP Hope this is helpful. Cheers !! Happy Learning
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