[c-nsp] VoIP QoS Policy

[Brian Feeny]

fyi, I meant for the output policy to have "priority percent" not  
"bandwidth percent" that was a typo.

Brian


On Feb 17, 2005, at 9:19 AM, Brian Feeny wrote:

>
> I am making a basic QoS policy to install on some of our routers here,
> to give some QoS to VoIP.
> Eventually I will come up with a more thorough QoS plan but for now it
> just needs to take care of
> VoIP.  The VoIP is using SIP not skinny.  Any comments on the below
> policy, or anything I may be
> leaving out?  My goal is to identify VoIP traffic, mark the voice as
> EF, and the control stuff as AF31,
> then look at anything else that was marked (by endusers) as EF/CS3/AF31
> and remark it to 0.
>
> Also, does using the NBAR stuff such as "match protocol rtp audio"
> accomplish the same thing
> as "match ip rtp 16384 16383"?
>
> Brian
>
>
> class-map match-all QoS-VoIP-Control
>    match access-group name SIP-Control
> class-map match-all QoS-VoIP-RTCP
>    match ip rtp 16384 16383
> class-map match-any QoS-VoIP-Remark
>    match ip dscp ef
>    match ip dscp cs3
>    match ip dscp af31
> !
> ip access-list extended SIP-Control
>   permit udp any any eq 5060
> !
> !!! Input Policy
> !
> policy-map Mark-DSCP
>    class QoS-VoIP-RTCP
>     set ip dscp ef
>    class QoS-VoIP-Control
>     set ip dscp af31
>    class QoS-VoIP-Remark
>     set ip dscp default
> !
> !!! Output Policy
> !
> policy-map QoS-Policy
>    class QoS-VoIP-RTCP
>      bandwidth percent 20
>    class QoS-VoIP-Control
>     bandwidth percent 5
>    class class-default
>     fair-queue
>       set ip dscp default
>
>
>
>
> ---------------------------------------------
> Brian Feeny, CCIE #8036, CISSP
> Network Engineer
> ShreveNet Inc.
>
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
>
------------------------------------------------------------------------ 
------
Brian Feeny, CCIE #8036, CISSP    	e: signal at shreve.net
Network Engineer           			p: 318.213.4709
ShreveNet Inc.             			f: 318.221.6612