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Network devices connectivity tester

October 13, 2012 at 10:17:23
Specs: ios, switch

I'm searching for tool that test network devices connectivity, i mean, to check if everything is alive (backbone, dhcp server, nfs,dns, switches, etc..).

currently we have Linux bash script that send ping to every core device in our network, if the ping failed, then the script send email to our IT team.
this is not very Reliable checking way, because if there is some "peak" in the traffic or the ping didn't success from some reason we get annoying email, even if after 1 minutes the devices is answering to ping.
I'm checking for software that acting like RIP mechanism, if some router are not alive, he keep checking for something like 3 minutes and then is saying, "ok, there is a problem.."
i know about the option to write script that sent ping and then wait, sent other ping, and then wait, and after few times is send email, but it there any software that can collect device manually or automatically, and then check them in professional way with graphs ,rules and everything, and not scripts, it will be great.

if someone ever heard on software like that please tell me

Thank you!

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October 13, 2012 at 12:37:22
I don't know of anything with graphs but hping on Linux is a little more advanced than ping.

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October 14, 2012 at 07:09:08
I do something similar from my BSD box at work.

My script is set to attempt 3 pings and if no reply, it logs that info and sends me an alert either via email, text message, or both. I have my cronjob set to run the script every minute so if there's a momentary hiccup and one attempt doesn't get a response the next will. While not the most effective method of monitoring, I find this method actually works quite well.

There are tools out there you could use. I know we have one piece of software in place that someone else manages that does some network monitoring and sends out alerts. I don't recall the name of it offhand and as I'm not at work, I can't go look either. I will do so Monday.

In the mean time, why not use google and start researching network monitoring tools on your own? I'm sure there must be plenty of programs out there that will do what you want.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***

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