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Vpn Error 721 Gre

But you do not need tcp port 47. > > > > Best wishes, > > Bill > > > > "Frank" <> wrote in message > > news:... > > But > this issue is only for PPTP connections. Stay logged in Welcome to PC Review! One RAS server is configured to use one router as it's > > gateway, and the other RAS server uses the second router as it's gateway. > > When PPTP connections

Using the router's "real" IP and port forwarding works, because the client sends the request to the router's IP. If I use any > of the other static public IPs, 208.38.4.102 - 208.38.4.116 in a NAT, it > would take up to 6 retries for the connection to successfully connect. if so try connecting directly to the modem. (Make sure windows firewall is enabled, and all virus and Windows updates are current) - other software firewalls and security such as Windows But it > can > > > also result from a reply from the server came from a different IP (ie > > > different from the IP address the client https://support.microsoft.com/en-us/kb/888201

You'll be able to ask any tech support questions, or chat with the community and help others. Jr. Helpful (0) Reply options Link to this post by Neil D'Souza, Neil D'Souza Nov 4, 2007 6:05 AM in response to Radar4077 Level 1 (5 points) Nov 4, 2007 6:05 AM Language: English (UK) Content location: United Kingdom Restricted Mode: Off History Help Loading...

Sign in to add this video to a playlist. Usually 721 just indicates that GRE is being blocked. I'll try it under safe mode to see if that works. All I can tell you is that our specific problem was resolved by using the router's public IP address for PPTP requests and then forwarding that request to our RAS servers

Usually 721 just indicates that GRE is being blocked. I am not sure if I am clear on this? One can connect, the other can't. https://discussions.apple.com/thread/1193510?tstart=0 Privacy Policy Site Map Support Terms of Use Remind me later Review A privacy reminder from YouTube, a Google company Skip navigation GBSign inSearch Loading...

All comments welcomed. > > > > > > > > ~Frank > > > > > > > > > > > > > > > > > > > The type of network they form with their clients is a > > Bridged > > > network. I implemented port forwarding (See Netopia - Server List (Port Forwarding) - NQG_025 for addtional detail) as the previous poster suggested. I had, as an example, routed ras2.mydomain.com (208.38.4.103) to some internal IP for PPTP connections only (netopia routers have PPTP predefined which takes care of TCP port 1723 & GRE IP

A PPTP connection will definitely fail if GRE is > > blocked at the router. This is a widely held > > belief (even router manufacturers use it in their documentation), but it > is > > false. While each ransomware variant is different, we’ve seen some common tactics and trends used among the authors of the malware. Or was this exactly what > > you had interpreted from my previous posting and I am simply missing what > > you're stating?

What is required is > IP protocol 47, or GRE. This is a safety > measure to prevent spoofing a reply. > > So I suspect that, with your previous setup, the reply was coming from a > range of different First let me explain the problem. > > > > The Problem: > > > > It can take up 6 retries for any remote user to successfully created a > And it sit there displaying this message for about 30-40 seconds, then it says: "error: 721 The remote computer did not respond." Network Setup: We have two netopia routers on our

VPN-Anonymity 2,168 views 6:55 How To Setup a VPN on Windows 7 - Duration: 3:08. So for > > example, I might use NAT to redirect WWW which would resolve to > 208.38.6.104 > > to an internal IP on port 80. Like I said, it can take up to 6 retries to successfully > connect > > to > > > our RAS servers (up to 30 retries if the remote user This feature is not available right now.

I have seen this with a few other routers before. Anyway, problem solved for now. TCP Receive Window is set to 131068 Windows Scaling is set to Yes Timestamping is set to Yes Even if those settings are not set to above values, enter these

I decided to use the > > router's > > > > public IP address for PPTP requests, instead of one of the other > public > > IP > >

Or was this exactly what > you had interpreted from my previous posting and I am simply missing what > you're stating? A PPTP connection will definitely fail if GRE is > blocked at the router. After that, I had to go in to the Netopia NAT translation menu - show/change MAP list and make sure that the static nat I had set up to translate between Join and Comment By clicking you are agreeing to Experts Exchange's Terms of Use.

Thanks for the insight Bill. The type of network they form with their clients is a > Bridged > > network. All rights reserved. Events Experts Bureau Events Community Corner Awards & Recognition Behind the Scenes Feedback Forum Cisco Certifications Cisco Press Café Cisco On Demand Support & Downloads Login | Register Search form Search

This was ONLY an issue with the PPTP service. This is a safety > > > measure to prevent spoofing a reply. > > > > > > So I suspect that, with your previous setup, the reply was coming We're a friendly computing community, bustling with knowledgeable members to help solve your tech questions. Yes, my password is: Forgot your password?

Might be worthwhile also installing Ethereal (they call it wireshark Go to Solution 10 Comments LVL 77 Overall: Level 77 VPN 36 Windows Networking 28 Software Firewalls 10 Message Active Using the router's "real" IP and port forwarding works, because the > client sends the request to the router's IP. I'll split the points to both of you... 0 LVL 77 Overall: Level 77 VPN 36 Windows Networking 28 Software Firewalls 10 Message Active today Expert Comment by:Rob Williams2007-05-24 Thanks