Re: How to get VPN working
From: Sooner Al [MVP] (SoonerAl_at_somewhere.net.invalid)
Date: 02/05/05
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Date: Sat, 5 Feb 2005 12:32:36 -0600
If you have a laptop/desktop running XP or W2K that can pretend to be a remote PPTP VPN client you
could run
the test detailed in the "VPN Traffic" section of this article...
http://www.microsoft.com/technet/community/columns/cableguy/cg0105.mspx#EBAA
Get the XP and/or W2K tools "Pptpsrv.exe" and "Pptclnt.exe" from...
http://www.microsoft.com/downloads/details.aspx?FamilyID=49ae8576-9bb9-4126-9761-ba8011fabf38&displayLang=en
http://www.microsoft.com/windows2000/downloads/servicepacks/sp2/supporttools.asp
>From the error message it sounds to me like GRE Protocol 47 traffic is not getting through your
router.. Its possible that this is a firmware issue. For example with my Linksys BEFSR41 some
firmware versions simply do not allow GRE Protocol 47 traffic through the router while others do.
Linksys calls that "PPTP Pass Through" by the way. I never could get my Buffalo WBR-G54 to pass GRE
Protocol 47 traffic...:-(
--
Al Jarvi (MS-MVP Windows Networking)
Please post *ALL* questions and replies to the news group for the mutual benefit of all of us...
The MS-MVP Program - http://mvp.support.microsoft.com
This posting is provided "AS IS" with no warranties, and confers no rights...
"Monkey" <Monkey@discussions.microsoft.com> wrote in message
news:C2EA4FB6-ACE1-47E3-882B-ABE823610E08@microsoft.com...
>I appreciate the help mate
> have followed your document previously and just went through it all again to
> see if missed anything.
> This time I am at least getting the VPN connectivity box pop up, but it ends
> up saying:
> VPN server problems. Verify your username and password, and try again. If
> the problem continues, turn the device off and try again.
> I managed to get the box pop up to at least try by going to Network
> Management and selecting 'My Work Network' for programs that connect to
> internet and 'VPN_CompanyName' for programs that connect to a private
> network. The VPN_CompanyName has all the correct settings, and I have tried
> by IP as well as FQDN.
> On my router at home, I have added PPTP in and out, and on the outbound I
> have just selected ALLOW always but havent put any IP addresses in, just to
> say everything on my LAN can go out.
> On the Inbound sI have said ALLOW always and put in the LAN IP of my Ipaq,
> and on the WAN Users, start - have entered the external interface of my
> companies router (same IP the VPN uses).
> I couldnt find anything for PPTP passthrough on my netgear DG834 router,
> maybe its included in the PPTP service 1723?
>
>
> "David Rollafson via PocketPCJunkies.com" wrote:
>
>> Let me add a bit more specifics here as "pass thru" might confuse. You will need to configure
>> your netgear router for Forward GRE/1723 from the WAN to the LAN IP address where your server is
>> at. Find this under Port Forwarding in the router or similar.
>>
>> --
>> Message posted via http://www.pocketpcjunkies.com
>>
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