Hi all,
This one is way beyond my current knowledge - I am setting up a digital audio network that utilizes Dante as the audio transport. To do this, I am configuring a 3750X switch with 2 vlans - Data and Dante. Data will provide audio control data, and Dante will carry the actual audio streams.
The specs say to create VLANS (did that), enable IGMP Snooping (Did that), and it also uses QOS. I do not know past auto qos how to specify the QOS settings, and reading some of the literature out there isn't helping my AV brain much. There's lots that I can make this Cisco switch do, but this isn't one of them lol
Here's what the spec says:
QoS: QoS stands for “Quality of Service” and in simplest of terms it is a feature that allows a network switch to prioritize data based upon its type and purpose. QoS standards were created to ensure reliability of audio on a data network in applications such as telephony, conferencing, and VOIP. Dante uses these same standards to prioritize audio, clocking info, etc. Symetrix recommends QoS be enabled in all Dante networks. Will Dante work without QoS enabled? Many times the answer is yes, but if there are Dante related issues, the first thing that should be checked is whether QoS is enabled. Dante uses standard Voice over IP (VoIP) Quality of Service (QoS) switch features to prioritize clock sync and audio traffic over other network traffic. QoS is available in both inexpensive and enterprise Ethernet switches. Any switch that supports Diffserv (DSCP) QoS with strict priority and 4 queues, and has Gigabit ports for inter-switch connections should be appropriate for use with Dante. The QoS feature must have a trust mode option, which needs to be set to DSCP (diff serve) for Dante. Trust mode refers to the type of QoS tagging of the packets which allows the network to properly prioritize the different types of packets. DSCP (Diffserv) is the layer 3 QoS tagging which Dante uses. CoS is a layer 2 Trust mode that is not compatible with Dante. Switches prioritize packets using what are called DSCP/Diffserv values. Although Dante packet priority values have been chosen to make it simple to configure QoS with many switches, some switches require special configuration to recognize and prioritize specific DSCP values.
The table in the page below details the QOS settings but set up for the SG300 series switches, which I am not using:
http://www.yamahaproaudio.com/global/en/training_support/selftraining/dante_guide/chapter2/04_qos_settings/
I know this is very broad and I am potentially asking a lot but could someone at least point me in the right direction?
thanks!
