Multicast stream monitoring tools

Mon Jan 25 17:50:18 UTC 2016

Yes, it is may be effect of microburst in our network or in link between our ISP and TV carrier.Thank you.

> Date: Mon, 25 Jan 2016 18:23:54 +0200
> Subject: Re: Multicast stream monitoring tools
> From: saku at ytti.fi
> To: mkaipov at outlook.com
> CC: nanog at nanog.org
> 
> On 25 January 2016 at 10:48, Murat Kaipov <mkaipov at outlook.com> wrote:
> 
> Hey,
> 
> > Hello folks!We have an issue with some multicast streams. For some reason picture is very unstable in evening, during internet usage peak times. We have had monitor our links and uplinks and there wasn't any oversubscribtion. I looking for usefull multicast stream monitoring tool now. Any suggestion?Thank you!
> 
> How are you monitoring this for oversub? SNMP graphs for pps/bps are
> not useful nor his looking at CLI pps/bps counters. You should monitor
> if there are queue drops on egress. If possible also monitor queue
> length, but not all platforms offer this information.
> My friend Occam says you're probably dropping packets.
> 
> You could also subscribe to the stream with monitoring PC which runs
> something like this https://github.com/tarko/CCmon
> 
> -- 
>   ++ytti