ISA Server / VPN Help

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Soldato
Joined
18 Oct 2002
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Inherited our "Firewall" machine from someone that left, its running windows server 2003 and ISA Server 2000. Currently has 3 network cards installed. 1 for LAN, 1 for one ISP and third one runs another ISP. VPN is bog standard PPTP, no certifactates or anything fancy.

Now i can VPN through ISP1 IP address fine, but not through ISP2. IF i disable ISP1 network card i can VPN fine through ISP2 Address. If i change the metrics around so it uses ISP2 first, i can VPN through ISP2 but not ISP1.

Anyone got anyideas where i am going wrong :confused:
 
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one way round it would be to have client connect to a DNS name that is connected to a fail-safe fall over - that when it detects ISP1 is down, it switches dns to ISP2 so continues connectivity....

that covers external access in, but internally, i dont think there is an answer for this unless theres an option for it to be bound to both external IPs (NICS).

Otherwise two servers could be the only option.

Alex
 
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