[j-nsp] CoS Configuration Assistance

[Harry Reynolds]

Hello,

I do not see the definition of any schedulers in your config. If not
defined the default bandwidth is 95/5 for queue 0 and 3 respectively.

Here I a sample scheduler definition stanza:

[edit class-of-service]
lab at San_Jose# show schedulers   
be-scheduler {
    transmit-rate 1m exact;
    priority low;
    drop-profile-map loss-priority low protocol tcp drop-profile
low-red;
    drop-profile-map loss-priority high protocol tcp drop-profile
high-red;
}
ef-scheduler {
    transmit-rate 20m;
    buffer-size temporal 200000;
    priority high;
}
nc-scheduler {
    transmit-rate percent 5;
    priority low;
}

HTHs
 

> -----Original Message-----
> From: juniper-nsp-bounces at puck.nether.net 
> [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of IPGN J-NSP
> Sent: Friday, January 20, 2006 12:57 PM
> To: juniper-nsp at puck.nether.net
> Subject: [j-nsp] CoS Configuration Assistance
> 
> I am attempting to prioritize voip traffic to/from T1 
> customers for our specific application.  I would like to know 
> if anyone sees any problems with the configuration below 
> because I am running into a few quality issues.
> Thank you in advance for any advice you can provide.
> 
> Basically, I have firewall filters (mf classifier) that match 
> input traffic patterns from T1 customers as well as input 
> from the FastEthernet port that connects the softswitch.  
> These filters place the traffic into the appropriate queue 
> which is basically expedited-forwarding for voip and 
> best-effort for everything else.  Then I have a 
> rewrite-marker on the interfaces that set specific dscp 
> values per each queue and dscp classifiers that assign the 
> appropriately tagged dscp packets to their respective queue.
> 
> 
> 
> > show configuration class-of-service
> classifiers {
>     dscp ipgn-dscp {
>         forwarding-class expedited-forwarding {
>             loss-priority low code-points ef;
>             loss-priority high code-points cs4;
>         }
>         forwarding-class best-effort {
>             loss-priority high code-points be;
>             loss-priority low code-points cs1;
>         }
>         forwarding-class assured-forwarding {
>             loss-priority high code-points af11;
>             loss-priority low code-points af12;
>         }
>         forwarding-class network-control {
>             loss-priority high code-points nc1;
>             loss-priority low code-points nc2;
>         }
>     }
> }
> 
> rewrite-rules {
>     dscp ipgn-rewrite {
>         forwarding-class expedited-forwarding {
>             loss-priority low code-point ef;
>             loss-priority high code-point cs4;
>         }
>         forwarding-class best-effort {
>             loss-priority high code-point be;
>             loss-priority low code-point cs1;
>         }
>         forwarding-class network-control {
>             loss-priority high code-point nc1;
>             loss-priority low code-point nc2;
>         }
>         forwarding-class assured-forwarding {
>             loss-priority low code-point af12;
>             loss-priority high code-point af11;
>         }
>     }
> }
> 
> scheduler-maps {
>     map-ethernet {
>         forwarding-class best-effort scheduler best-effort;
>         forwarding-class expedited-forwarding scheduler 
> expedited-forwarding;
>         forwarding-class network-control scheduler network-control;
>     }
>     voice-t1-map {
>         forwarding-class best-effort scheduler voice-t1-be;
>         forwarding-class expedited-forwarding scheduler voice-t1-ef;
>         forwarding-class network-control scheduler voice-t1-nc;
>         forwarding-class assured-forwarding scheduler voice-t1-af;
>     }
> }
> interfaces {
>     t1-0/0/* {
>         scheduler-map voice-t1-map;
>         unit 0 {
>             classifiers {
>                 dscp ipgn-dscp;
>             }
>             rewrite-rules {
>                 dscp ipgn-rewrite;
>             }
>         }
>     }
>     fe-1/3/0 {
>         scheduler-map ethernet-map;
>         unit 202 {
>             classifiers {
>                 dscp ipgn-dscp;
>             }
>             rewrite-rules {
>                 dscp ipgn-rewrite;
>             }
>         }
>     }
> }
> 
> 
> > show configuration interfaces t1-0/0/0:15
> encapsulation ppp;
> unit 0 {
>     family inet {
>         filter {
>             input ipgn-cust-t1-input;
>         }
>         address 1.1.1.1/30;
>     }
> }
> 
> > show configuration interfaces fe-1/3/0.202
> vlan-id 202;
> family inet {
>     filter {
>         input vipgn-mfc-in;
>     }
>     address 2.2.2.2/27;
> }
> 
> 
> /J 
> 
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