L2TP IPSec NAT issues
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L2TP IPSec NAT issues

 
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Dom Coppola
Guest





Posted: Thu Sep 23, 2004 1:24 am    Post subject: L2TP IPSec NAT issues Reply with quote

Hello,

I have tried to post this problem in the Windows networking
newsgroup, but I have yet to receive a response, so I figure what better
place then here.

I personally believe that I am sh^t out of luck on this one!!!

Here is my problem. I am currently trying to create a VPN tunnel to
a VPN appliance using the tools available to me on Windows XP. I have
installed Service Pack 2 because there was improvements made to IPSEc
and NAT-t. However, I have been unable to make a connection to my VPN
box when I am sitting behind my router. If I connect directly to the
internet and create a connection, which by the way is using "L2TP IPSec
VPN" it works like a charm, however once I get behind my router there is
nothing but issues.

I have read what seems like a million different opinions on this
and none have worked, and the only thing I am clear on is why it is
happening. That part makes total sense. But I am not sure as to how I am
going to get this to work. I normally would use third party software to
connect to VPN boxes, but in this case I felt that the installed Windows
Xp utility would do the job just fine as long as the VPN appliance
supported L2TP, which in this case it does.

Could anyone walk me through this as I might be doing something
wrong once I am behind the router, is there maybe a step that I missed.
Any help would be greatly appreciated.


Other Info
********

Home router - Crappy SMC Barricade 2404WBR

OS - Windows XP

Service Packs - SP2 (Works wonders for me, but probably because it was
done on a fresh install :-) )


If you need any other info please let me know....


Thanks In Advance
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Mike Drechsler - SPAM PRO
Guest





Posted: Thu Sep 23, 2004 3:45 am    Post subject: Re: L2TP IPSec NAT issues Reply with quote

Dom Coppola wrote:
Quote:
Hello,

I have tried to post this problem in the Windows networking
newsgroup, but I have yet to receive a response, so I figure what better
place then here.

I personally believe that I am sh^t out of luck on this one!!!

Here is my problem. I am currently trying to create a VPN tunnel to
a VPN appliance using the tools available to me on Windows XP. I have
installed Service Pack 2 because there was improvements made to IPSEc
and NAT-t. However, I have been unable to make a connection to my VPN
box when I am sitting behind my router. If I connect directly to the
internet and create a connection, which by the way is using "L2TP IPSec
VPN" it works like a charm, however once I get behind my router there is
nothing but issues.

I have read what seems like a million different opinions on this and
none have worked, and the only thing I am clear on is why it is
happening. That part makes total sense. But I am not sure as to how I am
going to get this to work. I normally would use third party software to
connect to VPN boxes, but in this case I felt that the installed Windows
Xp utility would do the job just fine as long as the VPN appliance
supported L2TP, which in this case it does.

Could anyone walk me through this as I might be doing something
wrong once I am behind the router, is there maybe a step that I missed.
Any help would be greatly appreciated.


Other Info
********

Home router - Crappy SMC Barricade 2404WBR

OS - Windows XP

Service Packs - SP2 (Works wonders for me, but probably because it was
done on a fresh install :-) )


If you need any other info please let me know....


Thanks In Advance


http://news.zdnet.com/2100-1009_22-5321783.html



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





Posted: Thu Sep 23, 2004 7:56 am    Post subject: Re: L2TP IPSec NAT issues Reply with quote

Mike Drechsler - SPAM PROTECTED EMAIL wrote:
Quote:
Dom Coppola wrote:

Hello,

I have tried to post this problem in the Windows networking
newsgroup, but I have yet to receive a response, so I figure what
better place then here.

I personally believe that I am sh^t out of luck on this one!!!

Here is my problem. I am currently trying to create a VPN tunnel
to a VPN appliance using the tools available to me on Windows XP. I
have installed Service Pack 2 because there was improvements made to
IPSEc and NAT-t. However, I have been unable to make a connection to
my VPN box when I am sitting behind my router. If I connect directly
to the internet and create a connection, which by the way is using
"L2TP IPSec VPN" it works like a charm, however once I get behind my
router there is nothing but issues.

I have read what seems like a million different opinions on this
and none have worked, and the only thing I am clear on is why it is
happening. That part makes total sense. But I am not sure as to how I
am going to get this to work. I normally would use third party
software to connect to VPN boxes, but in this case I felt that the
installed Windows Xp utility would do the job just fine as long as the
VPN appliance supported L2TP, which in this case it does.

Could anyone walk me through this as I might be doing something
wrong once I am behind the router, is there maybe a step that I
missed. Any help would be greatly appreciated.


Other Info
********

Home router - Crappy SMC Barricade 2404WBR

OS - Windows XP

Service Packs - SP2 (Works wonders for me, but probably because it was
done on a fresh install :-) )


If you need any other info please let me know....


Thanks In Advance



http://news.zdnet.com/2100-1009_22-5321783.html



Awesome..... Thanks a ton
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