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Ip communicator and dscp value

Hi everybody

Please consider the following example dealing with qos value of ip communicator and ip phone.

sw f1/1-----------ip phone

                          |

                          |

                    PC running ip communicator.

Sw

int f1/1

mls qos trust cos.

We want our switch to trust dscp value set by ip communicator running on the PC.  The question is how do we tell ip phone to trust dscp value set by ip communicator?    The command I found " switchport priority extend ( cos VALUE)/ Trust  "  advices ipphone whether to trust cos value or set it to some dscp value; it does not tell ipphone anything about dscp value.

Thanks and have a great day.

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1 ACCEPTED SOLUTION

Accepted Solutions

Ip communicator and dscp value

You can only trust COS or DSCP on a single port, not both. You would need to do 'mls qos trust dscp'; or, use the untrusted PC with softphone model outlined in the SRND.

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1 REPLY 1

Ip communicator and dscp value

You can only trust COS or DSCP on a single port, not both. You would need to do 'mls qos trust dscp'; or, use the untrusted PC with softphone model outlined in the SRND.

Please remember to rate helpful responses and identify helpful or correct answers.

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