[167107] in North American Network Operators' Group
RE: Is there a method or tool(s) to prove network outages?
daemon@ATHENA.MIT.EDU (Don Bowman)
Sun Dec 1 12:23:10 2013
From: Don Bowman <don@sandvine.com>
To: Notify Me <notify.sina@gmail.com>, "nanog@nanog.org" <nanog@nanog.org>
Date: Sun, 1 Dec 2013 17:20:51 +0000
In-Reply-To: <CACK8u8+yFWmdJ8Km8eG+ubA-8quf4Q9AHrKU0TNJ85_vy0sDrQ@mail.gmail.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
>Hi Everyone=0A=
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>Please I have a very problematic radio link which goes =0A=
> out and back on again every few hours.=0A=
>The only way I know this is happening is from my gateway =0A=
>device: a Sophos UTM that sends email anytime there's been an outage.=0A=
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>The ISP refuses to accept this as outage/instability =0A=
> proof, and I'm wondering if there's something I can run =0A=
> behind the gateway UTM that can provide output information =0A=
> over time. They seem to be a primarily Windows+Cisco shop =0A=
> (as is common here in the 4th world). We are primarily Linux.=0A=
> Is there some set of command incantations I can run who's output I can=0A=
> collect and send to them (besides some sort of sustained ping)?=0A=
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I'm a big fan of smokeping personally. (http://oss.oetiker.ch/smokeping/)=
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it will install on practically any linux device, and i've even installed=0A=
it on ~$50 consumer NAS or router type devices (e.g. a pgoplug nas)=0A=
if it has enough ram (128MB is dicey but works).=0A=
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shows you loss + latency.=0A=
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you set it up to ping e.g. the near and far end of the radio link, and then=
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maybe a few sentinel sites.=0A=
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it can do ICMP and also TCP.=0A=
