[AusNOG] Monitoring ULL drops on AAPT MBE connections

[Alex Samad - Yieldbroker]

Disclaimer - not sure what a ULL or its infrastructure is but


Can't you snmp probe the device and check for status  ?

A

> -----Original Message-----
> From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Paul
> Gear
> Sent: Thursday, 3 April 2014 10:36 AM
> To: ausnog at lists.ausnog.net
> Subject: Re: [AusNOG] Monitoring ULL drops on AAPT MBE connections
> 
> I'm generally a bigger Linux fanboi than the next guy, but I don't consider this
> adequate for determining whether a line is sound.  It needs real stats like
> uptime, retransmits, CRC errors, etc.
> 
> On 04/03/2014 09:31 AM, Luke Iggleden wrote:
> > If you have access to run a command over SSH you could setup nagios or
> > some monitoring software to exec a ssh command on a remote
> server/client:
> >
> > wget -O /dev/null http://some.host.in.your.dc/file.100MB.bin
> >
> > in the early hours of the morning when you know there is no traffic on
> > each client, if the script doesn't return within x amount of seconds
> > then its running suboptimal, email from monit back to create a ticket
> > for someone to investigate.
> >
> > Would need some tuning for each client depending on the speed of the
> > original deployment.
> >
> > Just a thought.
> >
> > Cheers,
> >
> > L
> >
> > On 3/04/2014 10:19 am, Joshua D'Alton wrote:
> >> There was a thread recently on this. Think the conclusion was,
> >> basically if the service is provider-NTU, you're stuffed.
> >>
> >>
> >> On Thu, Apr 3, 2014 at 10:07 AM, Radek Tkaczyk <radek at tkaczyk.id.au
> >> <mailto:radek at tkaczyk.id.au>> wrote:
> >>
> >>     Hi Guys,____
> >>
> >>     __ __
> >>
> >>     We are getting more and more cases where an AAPT MBE connection
> >>     drops a ULL, and no-one notices this until the client complains
> >>     about poor speeds, or another ULL drops and takes the connection
> >>     offline.____
> >>
> >>     __ __
> >>
> >>     For example, say an end user has an AAPT 10/10 MBE connection which
> >>     uses 2 x ULLs. If one of the ULLs drops, the speed will drop to
> >>     around 5/5 and everything keeps going at the lower speed. This is
> >>     all fine, except that AAPT do not correct the issue until you log a
> >>     fault. Or worse, the second ULL drops at a later time and takes the
> >>     connection completely offline.____
> >>
> >>     __ __
> >>
> >>     How are we supposed to log a fault if we can't monitor for a ULL
> >>     connection getting dropped?____
> >>
> >>     __ __
> >>
> >>     How are other people handling this situation?____
> 
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