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Ping, Window 7 vs Ubuntu 10.4

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Special Forums Windows & DOS: Issues & Discussions Ping, Window 7 vs Ubuntu 10.4
# 1  
Old 07-20-2010
Ping, Window 7 vs Ubuntu 10.4
Ping, Window 7 vs Ubuntu 10.4
Hello I want to find out what differences there are between Ping in Window 7 vs Ubuntu 10.4
Here the deal
I'm out on the west coast trying to resolve an intermittent issue with a customer site back east
Im on my local home internet connection and set up an extended overnight ping over the internet to the east coast customer ISP gateway and then up to their firewall
Now I have two systems running, one Window 7 and one Ubuntu 10.4...I started an overnight extended ping from both to the same two remote IP address.. I just took the defaults
On the Window 7 box I get random timeout and packet loss...
On the Ubuntu 10.4 box...the same pings over the same time comes back clean...
The issue in not my Window 7 box as I had two other co-worker at different locals running the same ping on their window 7 systems and they see the same errors ...
It only my Ubuntu 10.4 box that ever pings this site clean
What are the underlying difference between Ping, in Window 7 and Ubuntu 10.4?
# 2  
Old 07-20-2010
Great question.

I know what Ubuntu does, but Windows - who knows. The ICMP protocol allows for pretty long timeouts before it gives up. It is also like UDP in that is unreliable. See RFC 792, which ubuntu follows.

In the past, MS was notorious for deciding to create their own standards. I would assume if you see deviant behavior, it is due to an icmp firewall setting:

Create an Inbound ICMP Rule on Windows 7, Windows Vista, Windows Server 2008, or Windows Server 2008 R2

I cannot find the rest of the MSDN stuff on icmp for some reason.... probably me.

For production, this means you would have to configure all of your Win 7 boxes the same in this regard - for TCP/IP timeouts as well.
Last edited by jim mcnamara; 07-20-2010 at 05:30 PM..
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