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Turning on 'mls qos enable'' in 6500 native IOS.

jkeeffe
Level 2
Level 2

This 6500 is running IOS 12.2(18)SXE3 and is a distribution layer L3 switch with many unlinks to core and access layer 6500s. I need to enable mls qos in order to apply a service policy for qos on some interfaces. Two questions:

1. Will enabling mls qos interupt traffic through the 6500 at all - even briefly?

2. After enabling mls qos, what is the default behavior of the switch - will it trust DSCP/COS markings, or will it re-write them to zero?

1 Accepted Solution

Accepted Solutions

Jon Marshall
Hall of Fame
Hall of Fame

Hi

1) No, you should be fine.

2) Default is all ports are untrusted.

Jon

View solution in original post

1 Reply 1

Jon Marshall
Hall of Fame
Hall of Fame

Hi

1) No, you should be fine.

2) Default is all ports are untrusted.

Jon

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