[c-nsp] Any one ever worked on Cisco 6500 QOS specifically 6503 or 6524(help) needed

Matthew Huff mhuff at ox.com
Sun Oct 12 14:37:25 EDT 2014


The 6500 series switch has unique, complex and restrictive hardware QOS compared to a software based router/switch.

http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/12-2SX/configuration/guide/book/qos.html



-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Swapnendu Mazumdar
Sent: Sunday, October 12, 2014 1:49 PM
To: Ahsan Rasheed
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Any one ever worked on Cisco 6500 QOS specifically 6503 or 6524(help) needed

6748 is a switch based line card. It has limited qos features supported as
compared to a routed platform such as ISR router.
On 12 Oct 2014 10:45, "Ahsan Rasheed" <ahsanrasheed9 at gmail.com> wrote:

> Hi All,
>
> I am having issue specifically doing QOS configuration on 6503 or 6524 or
> 6509 switches. I am unable to match any EF(voice) traffic for eompls(vlan
> based) on 6503 cisco switch. If i use any other router as 2811 or 2821 my
> QOS configuration works perfect but if i put 6503 as PE2 it does not work.i
> am using vlan based eompls.
>
> Below is the scenario & configuration which i am having issue.
>
>
> CE1(2821 router)(dot1Q)--------->PE1(2821 router)------->P(6524
> switch)-------->PE2(6503 switch)------->(dot1Q)(2821 switch)CE2.
>
> On CE1 i can match ip-precedence 5 traffic and mark that traffic to cos5 on
> outbound port.On PE1 i can match cos5 packet and mark with mpls exp top5 on
> inbound port, on outbound port i can match mpls exp 5.
>
> On PE2(6503) i am unable to match that mpls exp5 packet on inbound port.
> none of the configuration worked on 6500 series switches with mls qos, ,mls
> qos trust dscp,mls qos trust cos etc. Although i can match cos5 traffic on
> CE2 on inbound interface.i can not match mpls exp 5 traffic on 6503 and all
> i can see traffic as default-class on 6503 switch. I tried many things and
> many configurations on 6503 but nothing worked.If i put 2821 router as PE2
> instead of 6503 my qos configuration works. but why if i put 6503 my same
> qos configuration does not work?
>
> ---match means=classification or classify
>
> Can anyone tell me how qos works on 6500 series switches or where i am
> having issue in my scenario.
> i am using this ios on 6503: s72033-advipservicesk9_wan-mz.122-33.SXI3.bin.
>
> below r my questions for 6503 qos:
>
> 1.do i need to use some other map tables,am i  using correct map tables on
> 6503 as cos-dscp,dscp-cos,exp-dscp etc.
> 2.any other configuration of qos needed on 6503?
> 3.i am unable to match anything on outbound port of 6503.
> 4.on 6503 i am using sup720 and PFC3BXL.any specific configuration needed
> for PFC3bxl.
> 5. 6503 not allowing me to match qos-group on inbound interface, not
> allowing me to set cos5 on outbound interface. not allowing me to set cos5
> as an inbound interface.
>
>
> CE1(2821) config:
> ------------------------
> !
> class-map match-any EF
>  match ip precedence 5
> class-map match-any data
>  match ip precedence 3
> !
> !
> policy-map ip2mpls
>  class EF
>   set cos 5
>  class data
>   set cos 3
> !
> interface FastEthernet0/0
>  no ip address
>  duplex auto
>  speed auto
> !
> interface FastEthernet0/0.455
>  encapsulation dot1Q 455
>  ip address 172.16.15.1 255.255.255.252
>  service-policy output EF
> !
>
> PE1(2821) config:
> -------------------------
> -------------------------
> mls qos map cos-dscp 0 8 16 24 32 40 48 56
> !
> class-map match-all exp_3
>  match mpls experimental topmost 3
> class-map match-all mpls_exp
>  match mpls experimental topmost 5
> class-map match-any cos3
>  match cos  3
> class-map match-any LOO1
>  match cos  5
> !
> !
> policy-map EF
>  class LOO1
>   set mpls experimental imposition 5
>  class cos3
>   set mpls experimental imposition 3
> policy-map QOS_G_5
>  class mpls_exp
>   priority
>  class exp_3
>   bandwidth 500
> !
> interface Loopback0
>  ip address 3.3.3.3 255.255.255.255
> !
> interface FastEthernet0/0
>  ip address 192.168.23.2 255.255.255.0
>  ip ospf network point-to-point
>  duplex auto
>  speed auto
>  mpls ip
>  service-policy output QOS_G_5
> !
> interface FastEthernet0/1.455
>  encapsulation dot1Q 455
>  xconnect 5.5.5.5 455 encapsulation mpls
>  service-policy input EF
> !
> -------------------------------
> -------------------------------
> PE2(6503 qos):
> R1#show module
> Mod Ports Card Type                              Model              Serial
> No.
> --- ----- -------------------------------------- ------------------
> -----------
>   1    4  CEF720 4 port 10-Gigabit Ethernet      WS-X6704-10GE
>  SAL09401U2L
>   2   48  CEF720 48 port 10/100/1000mb Ethernet  WS-X6748-GE-TX
> SAL114247YN
>   3   16  16 port 1000mb GBIC ethernet           WS-X6416-GBIC
>  SAL0712AM69
>   4   24  CEF720 24 port 1000mb SFP              WS-X6724-SFP
> SAL10019J4N
>   5    2  Supervisor Engine 720 (Hot)            WS-SUP720-3BXL
> SAD102805VM
>   6    2  Supervisor Engine 720 (Active)         WS-SUP720-BASE
> SAD0846060F
>
> Mod  Sub-Module                  Model              Serial       Hw
> Status
> ---- --------------------------- ------------------ ----------- -------
> -------
>   1  Distributed Forwarding Card WS-F6700-DFC3BXL   SAD102504EF  5.3    Ok
>   2  Centralized Forwarding Card WS-F6700-CFC       SAD111300PD  3.1    Ok
>   4  Centralized Forwarding Card WS-F6700-CFC       SAL1004BQ2A  2.0    Ok
>   5  Policy Feature Card 3       WS-F6K-PFC3BXL     SAD10270189  1.8    Ok
>   5  MSFC3 Daughterboard         WS-SUP720          SAD102801G5  2.5    Ok
>   6  Policy Feature Card 3       WS-F6K-PFC3BXL     SAL1415FE95  1.11   Ok
>   6  MSFC3 Daughterboard         WS-SUP720          SAD08440794  2.4    Ok
>
> R1#show mls qos maps
>    Normal Burst Policed-dscp map:                                  (dscp=
> d1d2)
>      d1 :  d2 0  1  2  3  4  5  6  7  8  9
>      -------------------------------------
>       0 :    01 01 02 03 04 05 06 07 08 09
>       1 :    10 11 12 13 14 15 16 17 18 19
>       2 :    20 21 22 23 24 25 26 27 28 29
>       3 :    30 31 32 33 34 35 36 37 38 39
>       4 :    40 41 42 43 44 45 01 47 48 49
>       5 :    50 51 52 53 54 55 56 57 58 59
>       6 :    60 61 62 63
>
>    Maximum Burst Policed-dscp map:                                  (dscp=
> d1d2)
>      d1 :  d2 0  1  2  3  4  5  6  7  8  9
>      -------------------------------------
>       0 :    00 01 02 03 04 05 06 07 08 09
>       1 :    10 11 12 13 14 15 16 17 18 19
>       2 :    20 21 22 23 24 25 26 27 28 29
>       3 :    30 31 32 33 34 35 36 37 38 39
>       4 :    40 41 42 43 44 45 46 47 48 49
>       5 :    50 51 52 53 54 55 56 57 58 59
>       6 :    60 61 62 63
>
>    Dscp-cos map:                                  (dscp= d1d2)
>      d1 :  d2 0  1  2  3  4  5  6  7  8  9
>      -------------------------------------
>       0 :    00 00 00 00 00 00 00 00 01 01
>       1 :    01 01 01 01 01 01 02 02 02 02
>       2 :    02 02 02 02 03 03 03 03 03 03
>       3 :    03 03 04 04 04 04 04 04 04 04
>       4 :    05 05 05 05 05 05 05 05 06 06
>       5 :    06 06 06 06 06 06 07 07 07 07
>       6 :    07 07 07 07
>
>    Dscp-exp map:                                  (dscp= d1d2)
>      d1 :  d2 0  1  2  3  4  5  6  7  8  9
>      -------------------------------------
>       0 :    00 00 00 00 00 00 00 00 01 01
>       1 :    01 01 01 01 01 01 02 02 02 02
>       2 :    02 02 02 02 03 03 03 03 03 03
>       3 :    03 03 04 04 04 04 04 04 04 04
>       4 :    05 05 05 05 05 05 05 05 06 06
>       5 :    06 06 06 06 06 06 07 07 07 07
>       6 :    07 07 07 07
>
> Cos-dscp map:
>          cos:   0  1  2  3  4  5  6  7
>      ------------------------------------
>         dscp:   0 10 18 24 34 46 48 56
>
>    IpPrecedence-dscp map:
>       ipprec:   0  1  2  3  4  5  6  7
>      ------------------------------------
>         dscp:   0  8 16 24 32 40 48 56
>
>    Exp-dscp map:
>          exp:   0  1  2  3  4  5  6  7
>      ------------------------------------
>         dscp:   0  8 16 24 32 40 48 56
>
>
> mls netflow interface
> mls qos map cos-dscp 0 10 18 24 34 46 48 56
> mls qos
> !
> class-map match-all exp_3
>  match mpls experimental topmost 3
> class-map match-all EXP_5
>  match mpls experimental topmost 5
> class-map match-all QOS_GROUP_5
>  match qos-group 5
> class-map match-all prec5
>  match ip precedence 5
> class-map match-all cos5
>  match cos  5
> !
> policy-map mpls2ip
> class QOS_GROUP_5
>  set cos 5
> !
> policy-map IN_FROM_R3
>  class EXP_5
>   set qos-group 5
> !
> interface Loopback0
>  ip address 5.5.5.5 255.255.255.255
> !
> interface GigabitEthernet2/2
>  mls qos trust cos
> or <------------ (tried both individually but none worked)
>  mls qos trust dscp
> !
> interface GigabitEthernet2/2.455
>  encapsulation dot1Q 455
>  xconnect 3.3.3.3 455 encapsulation mpls
>  service-policy output mpls2ip
> !
> interface GigabitEthernet2/1
>  ip address 192.168.34.4 255.255.255.0
>  ip ospf network point-to-point
>  mls qos trust cos
> or <------------ (tried both individually but none worked)
>  mls qos trust dscp
>  mpls ip
>  service-policy input IN_FROM_R4
> !
> Thanks & regards,
> Ahsan Rasheed
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