[c-nsp] Basic config for QoS/Shaping for VoIP on Cisco 1700

[Matthew Stainforth]

I do something like this:

class-map match-all voip
match access-group 100

...

policy-map qos-lan
class voip
bandwidth 2000
class-default
fair-queue

...

access-list 100 permit udp any any range 2048 3028
access-list 100 permit tcp any any eq 1720
access-list 100 permit tcp any any eq 2945

...

interface fa0/0
service-policy output qos-lan

the bandwidth statement is in kbps.  You can also do "bandwidth percent 20" to allocate 20% of the pipe.    

There are lots more configuration examples here to help tweak to your own specific situation:

http://www.cisco.com/en/US/products/sw/iosswrel/ps1835/products_configuration_guide_chapter09186a00800bd909.html

-----Original Message-----
From: Skeeve Stevens [mailto:skeeve at skeeve.org]
Sent: Monday, August 29, 2005 10:19 AM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] Basic config for QoS/Shaping for VoIP on Cisco 1700



Hey guys,

I'm not strong on QoS or VoIP, especially QoS for VoIP ;-)

I have a Customer with a 1700 series router which they are using for voice
and normal traffic.  It is a 512K SHDSL connection.

Basically they just want to make sure that 64k or 128k is guaranteed for
voice at all times and if there is no voice then anything can do whatever,
but if a call initiates, then the other traffic is scaled back and cannot
override the voice traffic.

I presume with everyone on this list that someone would have a template
which would allow me to quickly put this to bed.


_______________________________________________________
Skeeve Stevens, RHCE     Email: skeeve at skeeve.org
Website: www.skeeve.org  - Telephone: (0414) 753 383
Address: P.O Box 1035, Epping, NSW, 1710, Australia

eIntellego - skeeve at eintellego.net - www.eintellego.net
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