VPN Client IP problems

VPN Client IP problems

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Subject Author Date
VPN Client IP problems Simple_Net_User 12-01-2005
Posted by Simple_Net_User on December 1, 2005, 6:32 pm
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I hope someone can help me.

Problem:

I use Netgear Prosafe VPN Client, and several D-Link VPN routers at
different locations. Setting up the tunnels so they work is no problem, and
I can connect from where ever I am located to all Routers.

But I have problems when I am located inside a local network that use the
same subnet as I have inside the remote subnet.

Example: Office with VPN Router 192.168.1.x / 255.255.255.0 - Locale subnet
of Hotel 192.168.1.x / 255.255.255.0

When both remote loacle net and locale net use the same IP range I can
connect to the VPN tunnel, but I can't reach the computers inside the remote
net.

Using e.g. D-Link DS-601 VPN Client this works just fine as I can set the
locale subnet to what ever I want in the VPN Client, but with Netgear
Prosafe VPN Client I can't figure out how to get past this problem.

Anyone have the solution to this?

Desperatly in need of good advice :-)



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Posted by Mike Drechsler - SPAM PROTECTE on December 1, 2005, 6:55 pm
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Simple_Net_User wrote:
> I hope someone can help me.
>
> Problem:
>
> I use Netgear Prosafe VPN Client, and several D-Link VPN routers at
> different locations. Setting up the tunnels so they work is no problem, and
> I can connect from where ever I am located to all Routers.
>
> But I have problems when I am located inside a local network that use the
> same subnet as I have inside the remote subnet.
>
> Example: Office with VPN Router 192.168.1.x / 255.255.255.0 - Locale subnet
> of Hotel 192.168.1.x / 255.255.255.0
>
> When both remote loacle net and locale net use the same IP range I can
> connect to the VPN tunnel, but I can't reach the computers inside the remote
> net.
>
> Using e.g. D-Link DS-601 VPN Client this works just fine as I can set the
> locale subnet to what ever I want in the VPN Client, but with Netgear
> Prosafe VPN Client I can't figure out how to get past this problem.
>
> Anyone have the solution to this?
>
> Desperatly in need of good advice :-)

Renumber your office to use a less common subnet. Avoid 192.168.0.x and
192.168.1.x. Try for something less common like something in 10.x.x.x

--
WARNING! Email address has been altered for spam resistance.
Please remove the -deletethispart-. section before replying directly.
Mike Drechsler (mike-newsgroup@-deletethispart-.upcraft.com)

Posted by Draschl Clemens on December 2, 2005, 8:12 am
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Mike Drechsler - SPAM PROTECTED EMAIL wrote:

>> Anyone have the solution to this?
>>
>> Desperatly in need of good advice :-)
>
>
> Renumber your office to use a less common subnet. Avoid 192.168.0.x and
> 192.168.1.x. Try for something less common like something in 10.x.x.x

for site2site, renumbering is mandatory. 10.x.x.x imho is also not a
good idea. i personally prefer something like 172.21.x.x.
but you're right for 192.168.1/0.x

regards
\cd

Posted by Simple_Net_User on December 1, 2005, 7:08 pm
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Huuuh....

Just foud the answer my selfe, helps giving up and asking for help :-)

Solution:

- Go to "Option" Menue - Global Policy Setting
- Make sure "Allow to specify internal network address" is hocked of
- Select to use Virtual Adapter
- Now you can enter the required network address you want to use

This should work just fine.

:-)

>I hope someone can help me.
>
> Problem:
>
> I use Netgear Prosafe VPN Client, and several D-Link VPN routers at
> different locations. Setting up the tunnels so they work is no problem,
> and I can connect from where ever I am located to all Routers.
>
> But I have problems when I am located inside a local network that use the
> same subnet as I have inside the remote subnet.
>
> Example: Office with VPN Router 192.168.1.x / 255.255.255.0 - Locale
> subnet of Hotel 192.168.1.x / 255.255.255.0
>
> When both remote loacle net and locale net use the same IP range I can
> connect to the VPN tunnel, but I can't reach the computers inside the
> remote net.
>
> Using e.g. D-Link DS-601 VPN Client this works just fine as I can set the
> locale subnet to what ever I want in the VPN Client, but with Netgear
> Prosafe VPN Client I can't figure out how to get past this problem.
>
> Anyone have the solution to this?
>
> Desperatly in need of good advice :-)
>



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