Without 'MLS QOS' in 6500 does any interface queueing and trusting take place?

I have a 6500 that does not have 'mls qos' global configured, although the interfaces do have 'mls qos trust dscp' on them as in:
interface GigabitEthernet3/3
switchport
switchport access vlan 536
switchport mode access
switchport voice vlan 910
logging event link-status
mls qos trust dscp
spanning-tree portfast
When I 'show queueing int gx/x', it does show the default queueing structure of the interface as in:
LLT-6509AS-A#sh queueing int g3/3
Interface GigabitEthernet3/3 queueing strategy: Weighted Round-Robin
QoS is disabled globally
Port is untrusted
Extend trust state: not trusted [COS = 0]
Default COS is 0
    Queueing Mode In Tx direction: mode-cos
    Transmit queues [type = 1p3q8t]:
    Queue Id    Scheduling Num of thresholds
       01         WRR                 08
       02         WRR                 08
       03         WRR                 08
       04         Priority              01
---- snip ----
    queue thresh cos-map
    1     1      0 1 2 3 4 5 6 7
    1     2
    1     3
    1     4
    1     5
    1     6
    1     7
    1     8
Packets dropped on Transmit:
    BPDU packets: 0
    queue              dropped [cos-map]
    1                        0 [0 1 2 3 4 5 6 7 ]
    2                        0 []
    3                        0 []
    4                        0 []
Packets dropped on Receive:
    BPDU packets: 0
    queue              dropped [cos-map]
    1                        0 [0 1 2 3 4 5 6 7 ]
So just what does the global 'mls qos' do? Without it is the command 'mls qos trust dscp' ignored?
I'm trying to track down where in our network dscp settings are being stripped out of packets and this is when I noticed the 'mls qos' was not configured.

it enables QOS on the switch, without it no QOS is being used.
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How does Avilability check and TOR takes place in SD

How does Avilability check and TOR takes place in SD? if you have any Tax configuration notes please send it to my mail ID?
[email protected]
Gopal

ATP
Types of Availability Check in Sales and Distribution
Processing
There are three types of availability check:
_ Check on the basis of the ATP quantities
_ Check against product allocation
_ Check against planning
The following SD-specific control features need to be maintained in Customizing:
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requirements in sales and shipping processing. In addition, a material block for the
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the assembly order so that when the bill of material is exploded in the assembly order,
the individual components, if necessary, can be classified as non-critical parts as far as
procurement is concerned.
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availability check. It is proposed in the material master record on the basis of the material
type and the plant, and copied into the sales and distribution documents.
_ Checking Rule
You use the checking rule to control the scope of the availability check for each
transaction in sales and distribution. You also specify whether the check should be
carried out including or excluding replenishment lead time. The individual checking rules
define by transaction, which stock and inward and outward movement of goods should
be taken into account for the availability check.
_ Schedule line category
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transfer of requirements should be carried out in the sales documents. The possible
settings for this at schedule line level are dependent on the settings in the requirements
class which is determined from the requirements type of the material.
_ Delivery item category
The delivery item category can be used to control whether an availability check takes
place in deliveries.
Requirements type
The various requirements are identified by their requirements type. The requirements
type refers to the requirements class and its control features.
_ Requirements Class
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planning, requirements planning strategy and requirements consumption strategy. In
addition, it is specified at a global level whether an availability check is to take place for
the material in the sales and distribution documents on the basis of the ATP quantity
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Prerequisites
An availability check can only be carried out if the following prerequisites have been fulfilled:
_ The control elements described above for the availability check must be maintained in
Customizing for Sales and the relevant assignments made to the sales transactions
_ The availability check must be switched on at requirements class level and - for the
availability check in the sales documents - at schedule line category level
A requirements type must exist by which the requirements class can be found
_ A plant must be defined. It can either be proposed from the customer or material master
record or can be entered manually in the document.
_ A checking group must be defined in the material master record on the Sales/plant data
screen in the Availability check field
Configuring entries of the Availability Check
IMGSDBasic fncsAvailability check and TORAvailability checkAvailability check with ATP logic or against planningDefine checking groups
You can use SAP std checking groups of 01 for summarized reqts or 02 for daily reqts or u can create ur own.
The columns total sales and total deliveries are selection options whereby u can configure a checking rule to sum up reqts to post to MRP either individually or by day or week.
Column 5, Block qty; set this block if u want several users to be able to process the material simultaneously in different transactions without blocking each other. The No Check indicator is used when u want a material to not be relevant for an ATP check.
Defining a material block for other users. The Block checkbox is an indicator that enables u to block the particular material from being checked for availability if it is already being checked at the same time by another user.
Defining the default value for checking groups. However should no entry exist for the checking group in the material master record, one can set a default value per material type and plant.
Controlling the availability check. In this section, u tell the system what stock on hand and what inward and outward movements of stock it must take into account when performing the availability check. These settings are based on the checking group that is assigned to the material master record and the checking rule that is predefined and assigned to the sd transaction. The carry out control for the availability check must be maintained for both the sales order and delivery.
TOR
IMG  SD  Basic fncs  Availability check and TOR  TOR
A line item in the sales order creates a schedule line. The schedule lines in the sales order transfer the requirements through to MRP. You can select the docs on which you want the TOR to happen. For ex, not for quotations.
The TOR aims to ensure the ordered materials are available for the requested delivery date. The TOR can be set for individual or for collective requirements (materials mastersales/plant view).
The TOR is dependent on the following data:
The reqts type, reqts class, checking group and schedule line category.
The reqts type and class are determined in the strategy group (material masterMRP3)
For TOR to be carried out, a few criteria need to be met:
Plant assigned to line item level, schedule line category should be switched on at TOR, TOR must be switched on at the reqts class level, checking group must be defined and allocated to the material master record (sales/plant view in the availability check field)
The reqts class is the controlling factor for the availability check and the TOR for all sd types.
Configuring the TOR:
1) Use std 041 reqts class or copy and rename it. Use the indicators to select if this reqts class must carry out an availability check and/or a TOR.
2) Define the reqts types. A reqts type is allocated to a single reqts class and not vice versa. It is based on the item category and the MRP type of the material.
3) Assign the rqts type to the relevant item category in the sales order and the MRP type found on the material master record.
You can select an alternative search strategy where u assign the reqts type to item category and MRP type. Can select source as 0, 1 or 2. (1 = Item type and MRP type strategy).
4) The TOR and Availability check can be selected/de-selected at the schedule line category level.
5) Block qty confirmation in delivery blocks. This is used to block the reservation of the TOR from MRP.
6) Maintain requirements for TOR. Requirements can be used to determine that the TOR to MRP is not carried out unless a number of conditions are met.
Availability Overview = CO09  order qty, sd doc no, item no, requirements class.
Stock requirements list = MD04  sd no or dly no, line item, schedule line placing the demand
Stock overview = MMBE  total stock per company, then plant followed by storage location, and finally a breakdown per batch
this is the customising as weel as the knowledge part.
PLease award pints if helpful
thanks

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I am looking to replace my aging 2008 MacBook with a new MacBook Air. I want to get the 11 inch model most likely with the 128GB of storage. I will use it mostly for email, web surfing and other light duty work.
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Mls qos trust cos vs mls qos cos in cat6k

Hello
I am trying to configure basic qos topology with two 6k connected to each other by the trunk port.
According to the documentation, if I set the mls qos cos value at the interface level I should modify the default cos on it, and all packets leaving incoming to this port, should be marked with the new cos value.
http://www.cisco.com/c/en/us/support/docs/switches/catalyst-6000-series-switches/24055-173.html
Unfortunately, when I set such config, all incoming packets transmitted through this interface was tagged with cos = 0 until I set the "mls qos trust cos" on the same interface.
Does anybody can explain to me this strange behavior?
I would like to mention that both 6k was connected to each other with ws-x6548-GE-TX modules.
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Lukas

Sarah
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"mls qos trusted" you have a choice of 'cos|dscp|ip-precedence'. The default if no choice is entered is DSCP.
2) If "mls qos trust dscp" is entered then the switch will use the DSCP marking found in the packet. This will then be used as the internal DSCP marking that all switches use. Unless you have a DSCP-DSCP mutation map the value used will be the value received in the packet.
Jon

MLS QoS configuration

Good Morning, everyone. I am looking for some clarification with an existing 3750x Switch configuration.
I am reviewing the configuration of my network switches and found the following MLS QoS configuration on one of my switches and a partial of this same config on another switch. Can someone please explain what function, this line of code, is performing; and is it necessary?
mls qos map policed-dscp 0 14 24 30 38 to 8
mls qos map policed-dscp 10 to 12
mls qos map policed-dscp 12 to 14
mls qos map policed-dscp 26 to 28
mls qos map policed-dscp 28 to 30
mls qos map policed-dscp 32 to 34
mls qos map policed-dscp 34 to 36
mls qos map policed-dscp 36 to 38
mls qos map cos-dscp 0 8 16 24 34 46 48 56
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mls qos srr-queue input threshold 1 80 90
mls qos srr-queue input threshold 2 80 90
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mls qos srr-queue output cos-map queue 2 threshold 1 2
mls qos srr-queue output cos-map queue 2 threshold 2 3
mls qos srr-queue output cos-map queue 2 threshold 3 6 7
mls qos srr-queue output cos-map queue 3 threshold 3 0
mls qos srr-queue output cos-map queue 4 threshold 3 1
mls qos srr-queue output dscp-map queue 1 threshold 2 32 34
mls qos srr-queue output dscp-map queue 1 threshold 3 40 46
mls qos srr-queue output dscp-map queue 2 threshold 1 18 20 22 26 28 30
mls qos srr-queue output dscp-map queue 2 threshold 2 16 24
mls qos srr-queue output dscp-map queue 2 threshold 3 48 56
mls qos srr-queue output dscp-map queue 3 threshold 3 0
mls qos srr-queue output dscp-map queue 4 threshold 1 8
mls qos srr-queue output dscp-map queue 4 threshold 2 12 14
mls qos srr-queue output dscp-map queue 4 threshold 3 10
mls qos queue-set output 1 threshold 1 100 100 100 100
mls qos queue-set output 1 threshold 2 80 90 100 400
mls qos queue-set output 1 threshold 3 100 100 100 400
mls qos queue-set output 1 threshold 4 90 100 100 400
mls qos queue-set output 1 buffers 15 30 35 20
mls qos
If more information is required for a response, please let me know.
Thank you, E.

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Posting
The function of each command is perhaps best explained by the Command Reference and Software Configuration Guide for your IOS version. If you have a question that's unanswered by those, please post another question. BTW, Cisco also publishes whitepapers that further explain some subjects. There are a couple on 3750 QoS.
Regarding whether a particular command is necessary would depend on what your QoS policy is attempting to accomplish.

Catalyst 3550 & 3560/3750 command 'show mls qos interface statistics'

On the Catalyst 3550 the command 'show mls qos interface statistics' will show ingress packet (or byte) counts with DSCP values. If you have policers configured then it also shows a count of packets that have been marked down to another DSCP value due to policing or any that have been dropped (obviously 'mls qos monitor dscp x' needs configuring). The same command on the 3560/3750 only shows the ingress & egress DSCP values, there is no column that shows packets (or bytes) that have been policed or dropped. Is there any command to display the same information with the 3560/3750?
Neither platform show counters when the command 'show policy-map interface x/x' is used so this won't work.
Thanks
Andy

Hi, I believe there is a command on the 3560 'sh mls qos interface policers' may be what you are looking for.
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To display QoS information at the interface level. This information includes:
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Which interfaces have configured policers
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3750 - Show mls qos interface statistics

Hi All,
Sorry if this is posted in the wrong place but can anyone shed any light on the meaning of the five columns given in the output for the following command on a 3750 ?
Show Mls Qos Interface <interface id> Statistics
Many Thanks
Shaun

I think that this is my first post, so I hope it will be useful ;-)
It's indeed very strange, I faced the same problem before, so I tried to check older switches, and I was able to find what these values are, for example, if You check the link :
Understanding QoS Policing and Marking on the Catalyst 3550
http://www.cisco.com/en/US/products/hw/switches/ps646/products_tech_note09186a00800feff5.shtml
You will find that these five fields mean:
incoming   no_change       classified      policed    dropped (in pkts)
This is a description of the fields in the example:
Incoming—shows how many packets arrive from each           direction
NO_change—shows how many packets were trusted (such           as QoS level not changed)
Classified—shows how many packets have been assigned           this internal DSCP after classification
Policed—shows how many packets were marked down by           policing; DSCP shown before markdown.
Dropped—shows how many packets were dropped by           policing

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The command takes but after reboot, Invlaid inputs detected show up and "mls qos tust dscp" is gone from every interface.
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Hi,
thanks for your reply.
mls qos
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description *** DATA VLAN 35 - VOICE VLAN 34 ***
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Without 'MLS QOS' in 6500 does any interface queueing and trusting take place?

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