[j-nsp] dscp classifier doesn't work - junos 9.6

[Truman Boyes]

On 16/02/2010, at 10:14 PM, meryem Z wrote:

> 
> Hello ,
> 
> I have an M7i router with junos 9.6 R3 .
> 
> Below it's hardware config :
> 
> Hardware inventory:
> Item             Version  Part number  Serial number     Description
> Chassis                                A6156             M7i
> Midplane         REV 05   710-008761   CY8948            M7i Midplane
> Power Supply 0   Rev 06   740-008537   6122911           AC Power Supply
> Routing Engine   REV 12   740-009459   9005089909        RE-5.0
> CFEB             REV 07   750-010463   CY8890            Internet Processor II
> FPC 0                                                    E-FPC
>  PIC 0          REV 11   750-002970   CZ3397            4x OC-3 SONET, SMIR
>  PIC 1          REV 08   750-010238   CY7657            1x G/E SFP, 1000 BASE
>    Xcvr 0       REV 01   740-011782   PAR1XC7           SFP-SX
>  PIC 2          REV 09   750-007641   CW5063            1x G/E IQ, 1000 BASE
>    Xcvr 0       REV 01   740-011782   PAR1XFB           SFP-SX
>  PIC 3          REV 10   750-005723   CZ9407            2x OC-3 ATM-II IQ, SMIR
> FPC 1                                                    E-FPC
>  PIC 2                   BUILTIN      BUILTIN           1x Tunnel
>  PIC 3          REV 08   750-009099   CY5909            1x G/E, 1000 BASE
>    Xcvr 0       REV 01   740-011782   PAR1XC3           SFP-SX
> Fan Tray                                                 Rear Fan Tray
> 
> 
> I configuerd a group on a sub-interface  on the IQ PIC 2 ,  including classifier , re-write rules and scheduler map.
> 
> I'm sending traffic on this sub-interface , correctly marked (0xB8 for ef) , using iperf traffic generator. Iperf server is connected to an extreme alpine switch. 
> 
> when I issue show interface queue i see that all the traffic is on the BE queue , no matter the marking is.
> 
> my Cos configuration is :
> 
> Meriem at liscr2> show configuration class-of-service interfaces ge-0/2/0 unit 1004       
> apply-groups cos_customer_ivo;
> 
> Meriem at liscr2> show configuration groups cos_customer_ivo   
> class-of-service {
>    interfaces {
>        <ge-*/*/*> {
>            unit <*> {
>                scheduler-map sch_map_ivo;
>                classifiers {
>                    dscp classify_dscp;
>                }
>                rewrite-rules {
>                    dscp rewrite_dscp;
>                    ieee-802.1 default;
>                }
>            }
>        }
>    }
> }
> 
> 
> Meriem at liscr2> show configuration class-of-service classifiers dscp classify_dscp 
> import default;
> forwarding-class best-effort {
>    loss-priority high code-points 000001;
> }
> 
> Meriem at liscr2> 
> 
> Is there anything wrong with the config ? 
> 
> 
> Thank you.


Hi Meryem,

Perhaps you can try with a MF classifier (ie. firewall) that matches on the DSCP field to verify that the traffic is being marked correctly upon ingressing into ge-0/2/0.1004? You can have an action of a forwarding class as well:

[edit firewall family inet]
root at r1# show 
filter foo {
    term 1 {
        from {
            dscp ef;
        }
        then forwarding-class expedited-forwarding;
    }
}

Then you can verify everything before you switch back to BA classification. 

Truman