[c-nsp] VoIP + QOS

[Kris Amy]

Is the host your downloading from in the 10.0.0.0/24 range? If so it will
get marked as the same priority as the voice traffic.

Cheers,
Kris

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Oliver Boehmer
(oboehmer)
Sent: Monday, 13 March 2006 10:34 PM
To: Eusebio López; cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] VoIP + QOS

can you pls include a "show policy-map interface" output? Are you sure your
Voice packets are marked correctly and are matched by the class-map?
Is the ATM traffic shaping set up correctly? I.e. are you sure you have
320kBit upstream available?

	oli
 
Eusebio López <mailto:eusebio at palmanet.net> wrote on Monday, March 13, 2006
1:26 PM:

> Hi,
> 
> I have proven the configuration that your you command me and I
> believe that something does not work. 
> I have saturated the line with a program p2p, and the calls have
> cuts.  I send the configuration to you of my router in case I badly
> have something formed.  
> 
> Cheers
> 
> Current configuration : 1404 bytes
> !
> version 12.2
> no service pad
> service timestamps debug uptime
> service timestamps log uptime
> service password-encryption
> !
> hostname Router
> !
> logging queue-limit 100
> !
> username
> aaa new-model
> !
> !
> aaa session-id common
> ip subnet-zero
> !
> !
> !
> !
> class-map match-all voice
>   match access-group 100
> !
> !
> policy-map VOICE-LLQ
>   class voice
>     priority 100
>   class class-default
>    fair-queue
>    random-detect
> !
> !
> !
> interface Ethernet0
>  ip address 10.0.0.9 255.255.255.0
>  no cdp enable
>  hold-queue 100 out
> !
> interface ATM0
>  no ip address
>  no atm ilmi-keepalive
>  dsl operating-mode auto
>  hold-queue 224 in
> !
> interface ATM0.1 point-to-point
>  ip address 10.10.0.58 255.255.255.252
>  pvc 8/36
>   vbr-nrt 320 320
>   tx-ring-limit 3
>   oam-pvc manage
>   encapsulation aal5snap
>   service-policy output VOICE-LLQ
>  !
> !
> ip classless
> ip route 0.0.0.0 0.0.0.0 ATM0.1
> ip http server
> !
> access-list 1 permit 10.0.0.0 0.0.0.255
> access-list 100 permit ip any any precedence critical
> no cdp run
> !
> radius-server authorization permit missing Service-Type
> !
> line con 0
>  stopbits 1
> line vty 0 4
> !
> scheduler max-task-time 5000
> !
> end
> 
> 
> 	-----Mensaje original-----
> 	De: Oliver Boehmer (oboehmer) [mailto:oboehmer at cisco.com]
> 	Enviado el: lun 06/03/2006 12:46
> 	Para: Eusebio López; cisco-nsp at puck.nether.net
> 	CC:
> 	Asunto: RE: [c-nsp] VoIP + QOS
> 
> 
> 
> 	Eusebio López <mailto:eusebio at palmanet.net> wrote on Monday, March
> 06, 2006 12:27 PM: 
> 
> 	> router is a Cisco 827 h, and the ios Version 12.2(13)ZH2
> 
> 	then, as a starter, a simple configuration:
> 
> 	access-list 100 permit <match-your-voice-packets-here>
> 	!
> 	class-map voice
> 	 match access-group 100
> 	!
> 	! reserve 100 kBit for voice, do LLQ
> 	! and do WRED for your other traffic
> 	policy-map VOICE-LLQ
> 	 class voice
> 	  priority 100
> 	 class class-default
> 	  random-detect
> 	!
> 	int atm0.1
> 	 pvc 0/35
> 	  vbr-nrt ...
> 	   service-policy output VOICE-LLQ
> 	   tx-ring-limit 3
> 
> 	Others may chime in..
> 
> 	        oli

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