We can use that value to tell the routers or switches what CoS group to put that traffic in.

Ip phone qos marking. For example instead of setting the IP Precedence marking to a 4 inside every packet you could send the traffic with a certain community string. Tftp -i 1019718040 get SEPAAAAAAAAAAAAcnfxml 184 180. This is a way to mark a value in the IP header of a packet.

Dont mix up TOS Type of Service and COS Class of Service. Voice CoS 5 Voice Signal CoS 3 Switch marks. First we need to set shoretel to make all of its equipment send out a DiffServ ToS Byte.

LAN and WAN QoS Video Port Data Port voice Auxiliary VLAN and data packets Phone marks voice both data and signaling. To make sure that the AutoQoS feature can work correctly configure it in this order. VIa the Web Interface Settings Network QoS the Audio RTP Video RTP or the Call Control can be set for the IP DSCP.

For Signaling use COS3 and Voice use COS5 as a standard but is just for marking the packet. From the command line on the switch. VLAN 2 traffic is set to Q6 priority.

In the QoS enforcement paradigm the issue of trust and the trust boundary is equally important. The first one is found in the header of an IP packet layer 3 and the second one is found in the header of 8021Q layer 2. QoS isnt a guarantee but its the best way to tune your network for better voice over IP performance.

Regulate data flows by classifying scheduling and marking packets based on priority and by shaping traffic. Configuration File via Provisioning Server. You could also implement QoS by using a Group Policy Object GPO to direct client devices to insert a DSCP marker in IP packet headers identifying it as particular type of traffic for example voice.