Solved

VPN Disconnections

Posted on 2006-11-06
5
10,865 Views
Last Modified: 2008-01-09
I am using SONICWALL to connect VPN to three other offices in US(Bandwidth is 4.5Mbps) from INDIA( bandwidth is  2Mbps). The connections are made successfully but one fo the two connections disconnects regularly (no exact time) one will negotiate connection in 5-10 minutes, but the other one some times take long time or not connects all the day.

Logs
TCP connection dropped  :  TCP NetBios SSN TCP,TCP Squid,TCP Port: 1061,TCP Port: 1048,TCP MS SQL,TCP SMB
UDP packet dropped   :    UDP NetBios NS UDP,UDP Port: 30123
ICMP packet dropped:  ICMP Time Exceeded, Code: 0
Received notify: INVALID_COOKIES, Received unencrypted packet in crypto active state (source IP US destination IP India)

This is another log today i got very first time
IKE Initiator: Remote party timeout - Retransmitting IKE request.
Payload processing failed
Computed hash does not match hash received from peer; preshared key mismatch
0
Comment
Question by:vasu_nukal
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
5 Comments
 
LVL 4

Accepted Solution

by:
Smacky311 earned 25 total points
ID: 17888904
Being that your connection sometimes works, but drops quickly and in the IKE initialization the preshared key came across incorrectly in one case, it looks like your data is getting destroyed somewhere in your connection.  It may start that way or it may happen somewhere down the line.

How do your trace routes look?
0
 
LVL 15

Assisted Solution

by:Jeff Perkins
Jeff Perkins earned 25 total points
ID: 17889058
what sort of internet connection are you using on the one that disconnects?  dsl, t1, cable, sat?   I've experienced latency problems with vpn using sat and dsl, depending on what apps are being run thru connetion.
Are you running the most current version of the sonic wall global vpn client software? If not upgrade that, it often solves connection problems like this.
0

Featured Post

What is SQL Server and how does it work?

The purpose of this paper is to provide you background on SQL Server. It’s your self-study guide for learning fundamentals. It includes both the history of SQL and its technical basics. Concepts and definitions will form the solid foundation of your future DBA expertise.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Data center, now-a-days, is referred as the home of all the advanced technologies. In-fact, most of the businesses are now establishing their entire organizational structure around the IT capabilities.
When it comes to security, there are always trade-offs between security and convenience/ease of administration. This article examines some of the main pros and cons of using key authentication vs password authentication for hosting an SFTP server.
After creating this article (http://www.experts-exchange.com/articles/23699/Setup-Mikrotik-routers-with-OSPF.html), I decided to make a video (no audio) to show you how to configure the routers and run some trace routes and pings between the 7 sites…
Here's a very brief overview of the methods PRTG Network Monitor (https://www.paessler.com/prtg) offers for monitoring bandwidth, to help you decide which methods you´d like to investigate in more detail.  The methods are covered in more detail in o…

710 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question