Solved

Determine the point of failure of a network outage

Posted on 2013-10-22
4
246 Views
Last Modified: 2013-10-22
I have a connection between two NOCs that intermittently goes down. Both NOCs point the finger at the other for the problem.

Does anyone know of a method or software that I can use to determine where the failure is. It often occurs at night. I prefer to run this from a windows machine, I can use Linux if need be.

I would need to monitor the connection and trace the outage when there is a failure.
0
Comment
Question by:jimmylew52
  • 2
  • 2
4 Comments
 
LVL 10

Expert Comment

by:akhalighi
Comment Utility
it seems you need more information about infrastructure to find out the root cause. how these two NOCs are connected ? through VPN ? or through a dedicated link ( like MPLS) .

based on your answer ; I'd add more monitoring , so instead of pinging a remote host ; I also ping devices in the middle like gateways , routers and internet connections.
0
 
LVL 1

Author Comment

by:jimmylew52
Comment Utility
NOCs are connected through a VPN.

I agree on the pinging but I have not been able to do this manually. The connection goes down at odd times and I have not been able to get to it fast enough.

I need something that will check the connection every minute or two and run the series of pings or traces when the link is down and send or store the results.

When the link is down I do not have access to the NOCs to do the troubleshooting.
0
 
LVL 10

Accepted Solution

by:
akhalighi earned 500 total points
Comment Utility
you can add ping sensors to your monitoring system to ping more points, then whenever the issues happens you will see what else went down . this helps you to trobleshoot the problem.

this doesn't even need you to be awake ; you can troubleshoot based on the alerts ( in the morning ) .

on a side note , if they are connected through a site to site VPN ; it's likely that something happens over the night on the tunnel ( e.g. VPN re-keying ) , did you check the firewalls ? any log files ?
0
 
LVL 1

Author Closing Comment

by:jimmylew52
Comment Utility
I don't see anything in the logs. I have setup some additional monitoring and I will see what I can find there.
0

Featured Post

Find Ransomware Secrets With All-Source Analysis

Ransomware has become a major concern for organizations; its prevalence has grown due to past successes achieved by threat actors. While each ransomware variant is different, we’ve seen some common tactics and trends used among the authors of the malware.

Join & Write a Comment

Don’t let your business fall victim to the coming apocalypse – use our Survival Guide for the Fax Apocalypse to identify the risks and signs of zombie fax activities at your business.
If you're not part of the solution, you're part of the problem.   Tips on how to secure IoT devices, even the dumbest ones, so they can't be used as part of a DDoS botnet.  Use PRTG Network Monitor as one of the building blocks, to detect unusual…
Get a first impression of how PRTG looks and learn how it works.   This video is a short introduction to PRTG, as an initial overview or as a quick start for new PRTG users.
In this tutorial you'll learn about bandwidth monitoring with flows and packet sniffing with our network monitoring solution PRTG Network Monitor (https://www.paessler.com/prtg). If you're interested in additional methods for monitoring bandwidt…

772 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

Need Help in Real-Time?

Connect with top rated Experts

10 Experts available now in Live!

Get 1:1 Help Now