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How do I force traffic from a specific IP address out to the internet via a VPN

Hi

I am looking for help on routing traffic from a specific IP address out to the internet via a VPN.

I have two Draytek Vigor routers connected via a VPN.  One is using the internal address scheme of 192.168.1.x and the other 192.168.4.x.  They are connected via a VPN over the internet.  I would like to route traffic from a specific IP address (192.168.1.100) out to the internet from the router at the other end of the VPN (i.e. 192.168.4.1).  I am sure this can be done, but I don't know how!  

Any help would be very much appreciated!
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Alex3471
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Alex3471
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1 Solution
 
satyasinghCommented:
You mayimplement Policy Based Routing (PBR) which would do execptional routing other than default routing and point 192.168.4.1 towards VPN
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Alex3471Author Commented:
Thanks for the response.  Do you know where I find it on my Draytek Vigor 2820?  I don't seem to be able to find it.
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rharland2009Commented:
I'm not positive that the Draytek can do policy- (or source) based routing. The route you want to build would specify that packets coming from 192.168.1.100 coming into the VPN interface would be routed out the internet interface, yes? I'd check your manual and find out if you can do so.
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Alex3471Author Commented:
I don't think it can.  I've looked and can't find anything.  Searching on Google seems to suggest it can do policy based load balancing and although I've found a bunch of references to policy based routing in adverts, I can't find any information on how it would be configured.

Do I have any other options?  Other than buying a new router of course!
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rharland2009Commented:
Without PBR, you can't make what you want to happen happen without another piece of hardware or a separate internet pipe at the end where 192.168.1.100 resides.
For what it's worth, the 'policy-based routing' the Draytek adverts refer to is for voice traffic, not data. PBR is common Cisco parlance if I remember correctly.
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Alex3471Author Commented:
Ah!  OK, it would appear that I'm stuffed then!  It looks like I need either a) to buy a Cisco router, or b) give up on the idea!
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rharland2009Commented:
Doesn't have to be a Cisco - Juniper routers do PBR as well, and I'm sure some others do.
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Alex3471Author Commented:
Thanks for all the help.  I will look into an alternative router.
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Alex3471Author Commented:
It appears that I need to procure a different router to achieve what I am looking to do.
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