[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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