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How to configure 2 Internet Connections on a Windows 2003 RRAS ?

By ajayjp ·
I am having a Windows 2003 Server and the setup goes as follows

NIC 1 - Connected to Internet 1, Metric on Adapter Set to 1, IP- 10.12.0.250,Subnet-255.0.0.0,Gateway- 10.12.0.200

NIC 2 - Connected to Internet Router 2,Metric on Adapter Set to 2, IP -10.12.0.150,Subnet-255.0.0.0, Gateway - 10.12.0.99

NIC 3 - Connected to Local Intranet,Metric Set on 3, IP- 192.168.202.199,Subnet-255.255.255.248,Gateway-192.168.202.193

Since Metric is set to 1 for NIC1, all internet traffic is routed through Internet 1. I have a static route on the server to route all 192.168.x.x through NIC3.

As of now, outbound traffic will flow through NIC2 only if NIC1 is disabled. I have port forwarding(Static NAT) on both the Broadband Internet Routers. On Internet1, the VPN Port 1723 is forwarded to 10.12.0.250 and on the other Broadband router to 10.12.0.150. But at time only 1 Forwarding is working.

Is there a way in which I can have VPN Incoming Connections be configured on both the Internets simultaneously. Any help in this would be appreciate.

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Couple of thoughts....

by robo_dev In reply to How to configure 2 Intern ...

Microsoft Dead Gateway Detection feature is one issue.

Also, since NIC1 and NIC2 are discontiguous networks with the same network number, this likely causes routing confusion since two gateways on the same subnet is typically not a supported configuration. With most routing protocols, only one route can exist at a time.

This is because RRAS only supports one default gateway and Microsoft Windows is a single-route router. It is expected that a router will learn about dead gateways through a routing protocol, such as RIP or OSPF.

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