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mls qos command

Hi,

If switches do not have the mls qos command what happens to incoming packets that have a DSCP or CoS value configured?  Do they get reset?

Also, if a switch does have mls qos command, but an interface is not set to trust DSCP or CoS, will any marking get reset?

thanks

3 REPLIES
Hall of Fame Super Blue

Re: mls qos command

Luca

Because QOS is quite different between Catalyst platforms the best thing to do is look at the default configuration for each switch to answer your question eg.

3560 -

3560 default configuration

6500 -

6500 default configuration

For others you can get to the configuration docs from the cisco homepage -> Products & Services -> Switches -> switch you are interested in and then select the configuration docs.

Jon

New Member

Re: mls qos command

Thanks i'll have a read.... This questions is relevent to 3560 switches.

New Member

Re: mls qos command

to enable qos on a switch u must enter mls qos

if the it is cos trust it will remark it will take the trusted value

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