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[Openvpn-users] OpenVPN (with identical subnet misshap)


  • Subject: [Openvpn-users] OpenVPN (with identical subnet misshap)
  • From: cldpeak <heuermannr@xxxxxxxxxxxxx>
  • Date: Thu, 30 Dec 2004 16:47:24 +0000 (UTC)

I've been setting up clients with OpenVPN, while I have control over IP 
subnets used in branch offices, it just occured to me that I don't have 
control over windows clients connecting from hotspots.  I may be setting up 
some subnets with a common 192.168.etc.etc - what happens if clients connects 
from an identical subnet hotspot?

For example
hotspot        -    OpenVPN    -     office
192.168.0.0/24 - 172.16.0.0/24 - 192.168.0.0/24

I would be out of luck right?  Or would OpenVPN Office push of route, client 
pull, overide the client thinking the office host was on it's own subent?

Then to be really show my 'ignorance' of IP knowledge, what if the host 
portion was identical at the hotspot? Such as:

XP IP at hotspot -     OpenVPN   - Host IP at Office
192.168.128.1/24 - 172.16.0.0/24 - 192.168.128.2/26

Notice the borrowed bits on the Office Subnet Mask?  Now if I ping 
192.168.128.2 from XP will it route correctly?

Thanks for help - I'm a little slow since that Nerf Football accident.



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