[EMAIL PROTECTED] wrote:
> Hi guys,
>
> Just a quick one and am sure this has been asked many times.
>
> Two rtrs with serial line between them. On one router
>
> !
> hostname QOS-RTR1
> !
> class-map Data-Service
> match access-group name Data-Hosts
> !
> class-map Voice-Service
> match access-group name Voice-Hosts
> !
> policy-map Customer1
> class Data-Service
> bandwidth percent 50
> class Voice-Service
> bandwidth percent 20
> !
> ip access-list extended Data-Hosts
> permit ip host 10.1.1.22 any
> ip access-list extended Voice-Hosts
> permit ip host 10.1.1.21 any
> !
> Interface serial0/0
> ip address x.x.x.x x.x.x.x
> Service-policy out Customer1
> bandwidth 512
>
>
>
>
> Now, if there is only a data stream running from the one configured host in
> the ACL, and I have a 512k line, This data traffic even though it is
> configured for 50% of the bandwidth, can automatically use 100% of the
> bandwidth (if I have the max-bandwidth thing set to 100) Correct?
>
> Then if I start the voice stream from the other host, that has 20% of the
> bandwidth, this will then scale down the data traffic so that the 20%
> bandwidth can be guaranteed for the voice stream.
>
> Please can someone confirm.
>
> Many thx indeed.
>
> ________________________________________________________________
> Ken Farrington
I think you want to use a variation on CBWFQ called LLQ. This
uses the "priority" command instead of "bandwidth", to assign
voice traffic to a Priority Queue which will take precedence over
other traffic.
In other words:
policy-map Customer1
class Data-Service
priority 50
class Voice-Service
bandwidth percent 20
Here's a link to the "priority" command
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fqos_c/fqcprt2/qcfwfq.htm#1022204
and here's a link to an LLQ example:
http://www.cisco.com/univercd/cc/td/doc/cisintwk/intsolns/qossol/qosvoip.htm#xtocid12
HTH,
Jonathan
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