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Internet Access Over VPN

Posted on 2012-04-08
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Last Modified: 2012-04-30
Scenario:


Internet browsing is blocked in one Branch office and users can only send and receive emails by using Microsoft outlook express. With the help of VPN they are accessing data residing on file server located at head office. Is there any way to access head office internet from branch office computer through VPN for a specific computer?.


Note:
There is no proxy server running at head office. internet is shared through sonic wall TZ210 Device.
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Question by:jahangir303
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Expert Comment

by:Anuroopsundd
ID: 37822529
you can route all the traffic for the one machine to your head office. so this machine traffic will be routed through the VPN to HQ and then to internet.
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Author Comment

by:jahangir303
ID: 37822541
Please give me some idea how to route traffic?  if you need any details regarding my network i can provide easily, thanks


do we need to user route add command on that specific machine?.
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Expert Comment

by:Anuroopsundd
ID: 37822557
as your networks are connected already....and your branch office have local internet you must be routing all internet traffic locally.
if you want to route the traffic of one machine over the VPN. on the gateway router your you can setup route-map .. see below

http://www.cisco.com/en/US/docs/ios/12_0/qos/configuration/guide/qcpolicy.html
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Expert Comment

by:Anuroopsundd
ID: 37822558
So policy routing will allow you to route traffic on the base of source...
http://www.velocityreviews.com/forums/t31147-how-can-i-route-based-on-src-ip-address-mask.html
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Author Comment

by:jahangir303
ID: 37822568
I am using sonicwall tz210 device, so please guide me acordingly
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Expert Comment

by:Anuroopsundd
ID: 37822594
Just check for source based routing  in sonicwall docs...
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Accepted Solution

by:
Anuroopsundd earned 500 total points
ID: 37822595
This can be done, but your users need to either be on differing subnets, or static IPs.

This is handled at the Routing Policy level. Create an Address Group for the subnets (or static IPs) you want routed by X2 instead of X1. Then go to the Routing tab. Create a new Routing Policy that states that anything from that one Address Group will egress through the X2 interface/IP. Set the Interface to X2.

http://serverfault.com/questions/298241/howto-make-sonicwall-use-a-specific-wan-interface-based-on-ip
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