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SonicWall VPN tunnel config

raffie613
raffie613 asked
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Last Modified: 2014-12-11
We have a TZ210 at the office and one at a users home. the users home has a dynamic ip address that keeps changing. Is there a way in the VPN settings in the ipsec gateway field to account for the constantly changing ip address at their house? right now i have to keep changing it in order for it to connect.

Thanks.
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RafaelArchitect - Network Engineer - Instructor
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Commented:
Is the home user's device cable of doing dynamic DNS?  You could always use that feature if needed using the users dns hostname.  You can also set up the inbound VPN for a tight range of addresses from the user's ISP rather than a single IP.

HTH
-Rafael

Author

Commented:
problem is i do not know the ip range of the home user isp. Is there no setting i can enter in the " IPSec Primary Gateway Name or Address" like 0.0.0.0 for it to just connect no matter the ip?
RafaelArchitect - Network Engineer - Instructor
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Commented:
you should be able to take his IP and look it up in ARIN or another online tool.  From there you should be able to can get a basic idea. For example my ISP's range that I pulled is from the public ARIN site shows the range and CIDR as an example below.
 
Network
Net Range      x.x..0.0 - x.x.y..255
CIDR      x.x..0.0/20

You can get this by entering in the IP in the SEARCH Whois boxScreen Shot
Another tool to use is Network Tools.

Author

Commented:
is that reliable, or should i contact the isp?
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Author

Commented:
That is what I was looking for.
Will try it. Thanks Iruiz.
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Commented:
Great! let us know how it goes..