Re: QoS: Video Traffic (Lync)

By default, Lync doesn't use any particular standard port range for
traffic. Ranges are also fairly large:

http://technet.microsoft.com/en-us/library/gg405412(v=ocs.14).aspx

By default, no markings are coming off of any traffic. QoS on Lync really
needs to be tailored to accommodate use.

I was also curious if you have established trust boundaries or how you are
planning on setting markings (through ingress policy on access?)

Lync sounds great until you hit this bump in the road ;)

Regards,

Marc Edwards
CCIE #38259

On Mon, Jun 17, 2013 at 7:55 AM, Tony Singh <mothafungla_at_gmail.com> wrote:

> Lync can also use srtp for a/v streams, take a look at the following
> article and run some tests using the specific transport and port numbers to
> see if you can get matches....
>
> http://technet.microsoft.com/en-us/library/gg425882.aspx
>
>
> --
> BR
>
> Tony
>
> Sent from my iPad
>
> On 17 Jun 2013, at 11:30, Israel Ogongo <ohio38jr_at_gmail.com> wrote:
>
> > Remember QoS kicks in only when there is saturation on the link to start
> it
> > - was that your test case scenario?
> >
> > Sent from my iPhone!
> >
> > *Apologies for brevity and any error!*
> >
> > On 17 Jun 2013, at 3:57 AM, Cisco Fanatic <ebay_products_at_hotmail.com>
> wrote:
> >
> > All -
> > I initiated video via Lync call between 2 sites over the WAN. But, I did
> not
> > see any traffic hitting Video QoS policy?
> > How can I test video? Is Lync video actually not video? Or my QoS policy
> is
> > not right? Experts ...
> > Yuri
> > !class-map match-any VoIP match ip dscp ef match protocol rtp audio match
> > protocol rtcpclass-map match-any Data match ip dscp af21class-map
> match-any
> > SIP match ip dscp af31 match protocol sip match ip dscp cs3
> af31class-map
> > match-any Video match ip dscp af41 match protocol rtp video match
> protocol
> > video-over-httpclass-map match-any default match ip dscp default match
> > any!policy-map QoS_Output_Policy class VoIP priority percent 35 set ip
> > dscp
> > ef class Video priority percent 25 set ip dscp af41 class SIP
> bandwidth
> > remaining percent 25 set ip dscp af31 class Data bandwidth remaining
> > percent
> > 15 set ip dscp af21 class class-default fair-queue set dscp
> > default!interface GigabitEthernet0/0 service-policy output
> > QoS_Output_Policy!
> > ***************************************************************
> > Router#show policy-map interface G0/0 GigabitEthernet0/0
> > Service-policy output: QoS_Output_Policy
> > queue stats for all priority classes: Queueing queue limit 64
> > packets (queue depth/total drops/no-buffer drops) 0/0/0 (pkts
> > output/bytes output) 8204/608456
> > Class-map: VoIP (match-any) 8204 packets, 608456 bytes 5
> minute
> > offered rate 0000 bps, drop rate 0000 bps Match: ip dscp ef (46)
> > 7678 packets, 569532 bytes 5 minute rate 0 bps Match:
> protocol
> > rtp
> > audio 526 packets, 38924 bytes 5 minute rate 0 bps
> Match:
> > protocol rtcp 0 packets, 0 bytes 5 minute rate 0 bps
> > Priority: 35% (35000 kbps), burst bytes 875000, b/w exceed drops: 0
> > QoS Set dscp ef Packets marked 8204
> > Class-map: Video (match-any) 0 packets, 0 bytes 5 minute
> > offered
> > rate 0000 bps, drop rate 0000 bps Match: ip dscp af41 (34) 0
> > packets, 0 bytes 5 minute rate 0 bps Match: protocol rtp
> video
> > 0 packets, 0 bytes 5 minute rate 0 bps Match: protocol
> > video-over-http 0 packets, 0 bytes 5 minute rate 0 bps
> > Priority: 25% (25000 kbps), burst bytes 625000, b/w exceed drops: 0
> > QoS Set dscp af41 Packets marked 0
> > Class-map: SIP (match-any) 150981 packets, 12183006 bytes 5
> > minute offered rate 0000 bps, drop rate 0000 bps Match: ip dscp af31
> > (26)
> > 130688 packets, 8025396 bytes 5 minute rate 0 bps Match:
> > protocol
> > sip 8839 packets, 3629854 bytes 5 minute rate 0 bps
> > Match:
> > ip dscp cs3 (24) af31 (26) 11454 packets, 527756 bytes 5
> > minute
> > rate 0 bps Queueing queue limit 64 packets (queue
> depth/total
> > drops/no-buffer drops) 0/0/0 (pkts output/bytes output)
> 150981/12502122
> > bandwidth remaining 25% QoS Set dscp af31 Packets
> > marked
> > 150981
> > Class-map: Data (match-any) 0 packets, 0 bytes 5 minute
> offered
> > rate 0000 bps, drop rate 0000 bps Match: ip dscp af21 (18) 0
> > packets, 0 bytes 5 minute rate 0 bps Queueing queue
> limit
> > 64
> > packets (queue depth/total drops/no-buffer drops) 0/0/0 (pkts
> > output/bytes output) 0/0 bandwidth remaining 15% QoS Set
> > dscp
> > af21 Packets marked 0
> > Class-map: class-default (match-any) 479148 packets, 141850950
> bytes
> > 5 minute offered rate 4000 bps, drop rate 0000 bps Match: any
> > Queueing queue limit 64 packets (queue depth/total
> drops/no-buffer
> > drops/flowdrops) 0/0/0/0 (pkts output/bytes output) 479148/137302151
> > Fair-queue: per-flow queue limit 16 packets QoS Set dscp
> default
> > Packets marked 458428
> >
> >
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Received on Mon Jun 17 2013 - 08:25:15 ART