[j-nsp] Class of Service implementation over MLPPP link

[Dan Rautio]

Fahad,

Did you ever get an answer to your question?  Check this out:

http://www.juniper.net/techpubs/software/junos/junos82/swconfig82-servic
es/html/lsq-config20.html


Could you try changing this:

> class-of-service{
[..]
> interfaces {
>     e1-0/0/0 {
>         scheduler-map CoS-MLPPP;
>     }
>     e1-0/0/1 {
>         scheduler-map CoS-MLPPP;
>     }

to this:

> class-of-service{
[..]
> interfaces {
>     e1-0/0/0 {
        unit 0                       <<<<<<< add this
>         scheduler-map CoS-MLPPP;
>     }
>     e1-0/0/1 {
         unit 0                       <<<<<<< add this
>         scheduler-map CoS-MLPPP;
>     }


You may also want to consider fragmentation maps.



- Dan


> -----Original Message-----
> From: juniper-nsp-bounces at puck.nether.net 
> [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of 
> FAHAD ALI KHAN
> Sent: Thursday, April 05, 2007 2:33 AM
> To: juniper-nsp
> Subject: [j-nsp] Class of Service implementation over MLPPP link
> 
> 
> Guys....im stuck in implementing CoS over MLPPP link (E1s). 
> My scenario is,
> CE---PE===(2E1s MLPPP)===PE---CE
> My configuration is as under,
> chassis {
>     fpc 0 {
>         pic 2 {
>             adaptive-services {
>                 service-package layer-2;
>             }
>         }
>     }
> interfaces {
>     e1-0/0/0 {
>         unit 0 {
>             family mlppp {
>                 bundle lsq-0/2/0.0;
>             }
>         }
>     }
>      e1-0/0/1 {
>         unit 0 {
>             family mlppp {
>                 bundle lsq-0/2/0.0;
>             }
>         }
>     }
> interfaces lsq-0/2/0
> per-unit-scheduler;
> unit 0 {
>     encapsulation multilink-ppp;
>     family inet {
>         address X.X.X.X/30;
>     }
>     family mpls;
> }
> class-of-service{
> forwarding-classes {
>     queue 0 Besteffort;
>     queue 1 Silver;
>     queue 2 Gold;
>     queue 3 NC;
> }
> interfaces {
>     e1-0/0/0 {
>         scheduler-map CoS-MLPPP;
>     }
>     e1-0/0/1 {
>         scheduler-map CoS-MLPPP;
>     }
>     lsq-0/2/0 {
>         unit 0 {
>             scheduler-map CoS-MLPPP;
>             classifiers {
>                 dscp dscp
>                 exp exp
>           }
>             rewrite-rules {
>                 dscp dscp
>                exp exp
>           }
>         }
>     }
> }
> scheduler-maps {
>     CoS-MLPPP {
>         forwarding-class Besteffort scheduler MLPPP-BestEffort;
>         forwarding-class Silver scheduler MLPPP-Silver;
>         forwarding-class Gold scheduler MLPPP-Gold;
>         forwarding-class NC scheduler MLPPP-NC;
>     }
> }
> schedulers {
>     MLPPP-BestEffort {
>         transmit-rate percent 40;
>         buffer-size remainder;
>         priority low;
>     }
>     MLPPP-Silver {
>         transmit-rate percent 30;
>         buffer-size percent 30;
>         priority high;
>     }
>     MLPPP-Gold {
>         transmit-rate percent 25;
>         buffer-size remainder;
>         priority strict-high;
>     }
>     MLPPP-NC {
>         transmit-rate percent 5;
>         buffer-size percent 5;
>         priority high;
>     }
> }
> same on the other PE side.....but the problem is......when we 
> classified CE
> traffic as Gold or Silver.....lsq interface queue stats 
> shows....no packets
> in the queue....means...0 queue/transfered packets from lsq 
> queue/buffer.
> Also its contituent links (E1s) shows all packets goes from its BE
> queue...not in Silver (Q1) and Gold (Q2).
> 
> Kindly check the configuration and suggest is there any 
> configurational
> issue or some other workarround is avaiable. HW is M10i with 
> 10-CH-E1-IQ PIC
> and AS-2 PIC.
> 
> Regards
> 
> Fahad
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