Make sure that EEE is disabled on all ports used for real-time Dante traffic. Non-blocking layer-2 gigabit switch. Learn about moving from analog to digital, Dante performance, working with Dante, basic network requirements, and basic network knowledge. Favorite Dante switches Hello fellow AV nerds What switch (s) are you guys liking for quick setup (during install) for standalone Dante systems? It is not a new technology but a bridging compliance mode common to all IP-Networks; an interoperability mode . Tesira 3.8 through 3.10 FW releases updated the Dante cards to the 4.0 Dante FW but Tesirainfrastructure does not yet support Dante Domain Manager (DDM). j=d.createElement(s),dl=l!='dataLayer'? It is critical that the Tesira Dante card is unlocked prior to configurationedits being made. Dante devices connect via standard CAT-5e or higher network cabling. Tesira does not offer 96kHz sample rate support.). TesiraFORT Xoffers a virtualized Dante endpoint hosted in the TesiraFORT Xnetwork appliance. Dante is an audio networking technology developed by Audinate. In this respect, you can't really go wrong. Pre-4.2 Dante devices, including Tesira, can participate in domains with Dante 4.2 devices using AES67 or SMPTE. In order to connect two Dante devices, the user must specify both endpoints using Dante Controller. Capable of switching off Energy Efficient Ethernet (EEE) and other power-saving features 3. Audinate has published a blacklist on its website with devices that cause problems: Networks and Switches or the PDF directly. If you set up certain redundancies in your network using spanning tree, then you should also think about the possibility of constant monitoring. For example: NETGEAR M4250-series and M4300-series, Cisco SG350 series, D-Link DGS-1210 series (F1 Hardware), Cisco Catalyst, and Extreme Networks enterprise-grade switches. Slave devices free run during the period of master clock transition. Note: A device that has been renamed with (2) appended (e.g. . })(window,document,'script','dataLayer','GTM-5VMW4WC');/*]]>*/ Dante supports the use of mixed 100Mbps and Gigabit hardware, audio with mixed sample rates and bit depth, and allows the design of network zones with different latencies. Adding new devices to a network does not affect the latency of devices already in the network. TesiraDante hardware running firmware version releases 3.9 and later supportuse ofAES67, which is a technical standard for audio over IP and audio over Ethernet interoperability. Tesira cannot be the Preferred Master if the frame is not equipped with an AVB card. The names denote which block and channel within the block is associated with a given stream on a given device. This would use up all 32 available input flows to the DAN-1, even though the input channel count has not been filled. How does Dante work? In practice, ifDante Controllersoftware allows a connection to be made, it should pass audio. Most switch series also offer models with PoE support. e.g. That way you can easily see in your Dante Controller who is new in the system. Only channels which have associated I/O blocks in the Tesira DSP will have their channels names populated. One device is elected as the Master Clock to which other devices are synchronized. Whensingle channel Dante endpoints are used (e.g. Most managed switches support QoS. Network links can be oversaturated, causing interruptions inreal-time traffic (such as Dante), if the total combined traffic requirements ofa link arenot accurately calculated, or if traffic is improperly routed. Because this is about redundancy in the switch cabling. PDF Download Basically, what you need to know is that Dante is all IP-based, and makes use of common IT standards. The Quality of Service (QoS) technology allows the data packets to be prioritized. Dante in Action Dante Developers List Trade Shows. Before we take a look at the most common functions that we find in the marketing brochures of various manufacturers, I would like to point out that in addition to the content-related features, there are of course also purely . TesiraFORT Xcan host both AVB and Dante I/O blocks, allowing new options for incorporatingTesiraAVB and Dante in a Tesira system. Tesira Dante devicenames may only be changed on an unconfiguredTesira device. This will stop audio across all Dante channels on that card. TheTesira'sDAN-1 cards, TesiraFORT DAN, TesiraFORTX, and TesiraCONNECTTC-5D only run Dante firmware provided byBiamp via Tesira firmware updates. Favorite Dante switches : r/CommercialAV - Reddit Legal characters are A-Z, a-z, 0-9, and '-' (dash or hyphen). There is then not only the IP address, but also the subnet mask and the gateway and you save a lot of typing and errors. Instead, unicast flowswill attempt to be negotiated to each of the24-bit receivers. In the event of a failure on one network, audio will still continue to be received via the other network. Even if you only use 1Gbit switches, this can be problematic. The Preferred Master checkbox in Dante Controller will clear itself if it is selected. In Dante Controller theEnable syncto external" check box should also be enabled for this device to indicate it is pulling its word clock from another network and should be the Dante clock master. Devices will automatically assign themselves an address in the range 169.254.*. To configure alocked device you must first unlockit using the PIN with which it waslocked. Latency can be configured to be different between different devices in the same network, and does not have to be the same for all connections on the network. Tesiradevice names will be defined by default asTesiraServernnnnnnnn-Slotnnwhere the stringTesiraServeris appended by its serial number and the slot housing the DAN-1 card. Not all Dante devices need to be 4.2 in a SMPTE domain but, naturally, only the devices that support SMPTE will be able to receive SMPTE flows. QoS only helps against fluctuating non-audio data. If no other Dante device is defined as Preferred Master then the synced DAN-1 will be elected clock master. In the professional theater environment, I would recommend purchasing only switches that support RSTP and MSTP. Here are the requirements for any switch to be used with a Dante system: Gigabit-rated . 5. Simple systems can be operated using unmanaged switches (so long as they dont use EEE), but you will need to use a managed switch to construct a more stable Dante network. #2:32 output channels from one TesiraFORT DAN to (16) 2-channel output wall plates would be automatically encapsulated within (16)unicast flows containing 2 channels each. In systems with TC-5, TC-5D, orTesiraFORTX certain network topologies may be put in place which block neededmulticast messages from getting through to Dante endpoints. How does Dante use DSCP / Diffserv priority values when - Audinate The numbering of the 2 libraries is unique from one another and uncorrelated. Nonetheless, it is standard for QoS to be used in Dante networks. 2. Tesira 3.11 FW (and later)addedsupport for Dante Domain Manager(DDM) on all Dante-capable Tesira devices. Using VLANs, it is possible to use both the primary and the secondary Dante network on one switch and transmit them to the next switch with one cable. 2. Dante guarantees that the Master Clock device will be by default the strongest candidate. When a switch has IGMP snooping and filtering turned on, it will prevent IP multicast from flooding the network. Dante wont connect incompatible audio devices. To check whether all the ports are capable of simultaneous gigabit transfer (whether the switch is non-blocking), determine whether the switching capacity is at least 1 Gbps the number of ports 2 (for in and out). With the advent of Dante devices and thus IP technology in everyday audio engineering, the question arises every day as to which switch is suitable for Dante applications. Some switches require special configuration to recognize and prioritize specificDSCPvalues. Names will be requested by Dante Controller software, where users can route signals between devices. Dante Controller software will not function overWi-Fi. Channel labels must be unique on the device. The latency of hardware devices does not depend on the number of audio channels routed, however some devices (e.g. AES67-enabledDante devices use Dante flows when sharing audio with other AES67-enabled Dante devices. Configuring a Switch for Dante - Focusrite Audio Engineering Packet control features such as VLANs and IGMP snooping. Pure IT administrators who configure switches for many hours every day, on the other hand, prefer the command line interface (CLI), because the configuration is faster than clicking through the website. - A multicast flow can not be established between a 32-bit transmitterand multiple 24-bit receivers. Rapid Spanning Tree Protocol (RSTP) and Multiple Spanning Tree Protocol (MSTP) are flavours of the original STP. Also, its possible for receivers to not have enough flows in some cases, such as when single channels are received from a large number of devices. In troubleshooting this issue, first confirm a querier is specified on at least one switch in the Dante network or VLAN. If you attempt to rename a device using Dante Controller to a name that is already in use on the network, Dante Controller will notify you and reject the name change. Failure to do so will result in unpredicatable system behavior. However, there are differences in the small print: not every switch that supports IGMP snooping can also function as an IGMP querier. This will cause a conflict. The Dante card is always updated as a unit, so an update to a subset of its channels requires an update to the entire card. This is expected behavior. If you have multiple Dante IO blocks in multiple partitions which are compiled to the same DAN-1 card (or FORT DAN) then you must update all of the partitions those IO blocks appear in to avoid stopping Dante audio accidentally in a partition you didn't intend to effect. If this is not the case (e.g. When planning a new plan, it is definitely worth investing in fiber optic cabling that also supports 10Gbit and more so that you can later use faster switches with (then perhaps the usual) 10Gbit. Here are the requirements of any switch to be used with a Dante system: Gigabit rated (1000 Mbps) Non-blocking Quality of Service (QoS) with four queues Diffserv (DSCP) QoS with strict priority The ability to disable EEE (also called Green Ethernet) Switch examples The DAN-1 card connects via standard CAT-5e or higher network cabling to a network switch. ), clear the Tesira configuration file from the Tesira devices (Device Maintenance), Setall Dante IO blocks to Fixed in Unit = True in the Tesira configuration file, apply the correctDante routing in Dante Controller, You can configure static IP addresses and host names for one or both of the DAN-1 Ethernet ports using Tesira software. Recommended latency settings are displayed in Dante Controller. Note: Unicast Delay Requests does not have to be enabled on the clock leader, only on the clock followers. Both switches are available in PoE and PoE+ variants. If the Tesira Server / Server-IO has (2) DAN-1 cards installed then one of the 2 cards will show the "Enable sync to external" flag set. e.g. Each Dante channel will have an explicit name. Most Dante devices will mute if they receive unsynchronized audio data. Critical Note: Proper MXW operation is obtained only when using a properly configured managed Gigabit Ethernet switch. "Enable sync to external" indicates that the device is connected to multiple clock sources and prefers to be synced toanother clock domain, itis then imposing this clock onthe Dante network. TC-5D can transmit up to 32channels of audio and receive up to 32 channels of audio using up to 32flows in each direction. In this respect, it is not insignificant to check whether there are also fanless models of your desired switch series. If no querier is present thenIGMP snooping will cause Dante clock discovery to fail. The device name must be changed by the user to be a valid non-conflicting name before the device can become fully functional. The problem with unmanaged switches: due to the lack of a web interface, no changes can be made to the switch. Find the MXA920 in the list of devices, and double-click to open the web application. We strongly recommend users take a Dante training course from Audinate for fundamentals on the Dante Controller software and Dante. It is a separate connection from the SNC-1 or SNC-2 network control port on the Tesira, and requires its own cable. In most switch series, the small models (up to around 12 ports) are fanless. This function is called Power over Ethernet. When only the primary network is in use the connection status will indicate a green check for the primarynetwork and a circle and slash icon indicating the redundant network is not connected. Please note this article is a comprehensive reference on Biamp's implementation of Dante:the DAN-1 card, TesiraFORT DAN, TesiraFORT X, and TC-5D. In these cases another DAN-1 card must be added to accommodatemore devices. Audio packets can be transmitted using either unicast or multicast addressing. The input and output blocks are aTesirasoftware convention which are not seen by Dante Controller, it only knows that theTesiraDAN-1 is a device that has 64 in and 64 out available. Users arestronglydiscouraged from editing Tesira transmit and receive channel or device names usingDante Controllersoftware, as the updated names will not be transmitted back upstream to theTesirasoftware and will be overwrittenwith the names from the Tesira file when a device reboots. This indicates it is aware of another Dante card in the same chassis. They are selected by default and must be manually cleared before saving a preset. Audinate refers to any hardware running on pre-4.0 Dante FW as a legacy device. Note that VLANs do not guarantee or reserve network bandwidth, they are essentially an organizational tool for ports anddevices. A switch should allow four (or more) so-called queues to be set up and the prioritization to be changed manually using the DSCP table. It is recommended that presets in Dante Controller are only used to control crosspoint routing between Tesira and other devices. As the name suggests, RSTP is faster in rebuilding the network and is the standard these days. e.g. Setting the Tesirafile to use Dante as the masterin the Media Network settings will allow other Dante devices to be the clock master. As a small outlook for the many features and abbreviations that I would like to take up in the course of the article, here is an overview table of a few common switch models, without guarantee: supported () limited range of functions some models- not supported. Dante redundancy requires that both the primary and secondary interfaces on any redundant device are connected using the same link speed. Legacy Dante devices (running pre-4.0 Dante FW) in one subnet cannot act as a boundary device to talk or listen directly to a Dante device in another subnet. Device names must be unique, channel names can be re-used across multiple devices. However, if you are building a complex network, a certain reserve is always recommended. And so far I have not seen any urgent need to upgrade the switches to 10 Gbit in any installation. Due to the length of the cables, it is common in larger theaters that the connections between devices are made using fiber optic cables. (For 96kHz/24bit audio the channel capacity is halved. Tesira with AVB and Dante (Tesira file with AVBselected as Network Media clock master): If another Dante device set as a Preferred Master is added to a Tesira Dante system, and that device's Dante MAC address is lower than that of the Tesira Server, it will become the Master Clock device. This PDF lists some of the switches that are not compatible with Dante. Each Dante domain will use its own individual clock domain, unless audio sharing between domains is configured, in which case all domains in the shared audio group share the same clock domain. The TesiraFORT DANcan have 32 x 32 simultaneous flows, with a total of 32x 32channels. The question of features of a switch relates more to the environment in which it is to be used, i.e. Packet forwarding rate (throughput) is measured in packets per second (pps). If bit rates are not able to be matched the devices are not compatible and a fault will be shown. What To Look For In A Switch We would recommend that switches purchased for use in a Dante network should meet the following requirements: Gigabit-rated (1000 Mbps) Managed Non-blocking Quality of Service (QoS) with four queues Diffserv (DSCP) QoS with strict priority Each TesiraFORT DANcan transmit up to 32channels of audio and receive up to 32 channels of audio (32x32) in up to 32x32 flows. Output channels will be allocated in the same manner, beginning withOUT1_1and so on. Assigning these devices to the Dante Domain will result in audio not flowing. In order to bring latency down to the lowest possible values, a gigabit network should be used. And MSTP can be used to configure several Spanning Tree instances (which each uses RSTP) so that a different root bridge can be defined for each VLAN, in our case for the primary and secondary network. This device will not be able to transmit audio until it is renamed. Dante Controller's DeviceView can be opened by double clicking on a device name in the routing matrix. AES67-enabledDante devices support simultaneous use of Dante and AES67flows, even within the same Dante input and output blocks. The table below shows how Dante uses variousDiffservCode Points (DSCP) packet priority values. Prioritization does not help here, because in the Dante network there are almost exclusively audio packets. This is an intelligent managed switch that can be used to easily create and monitor a Dante network for touring purposes as well. There is no supported method for updating the Dante firmware independent of the Tesirafirmware update. A sufficient forwarding rate is 1.4 Mpps per port (gigabit). Dante Controller must be used to identify issues in Dante streams. 5. Attempting to directly load Audinate firmware to a DAN-1 or FORT DAN Dante endpoint using Dante Controller or other means may corrupt the endpoint and render it inoperable. This synchronization requires the use of Diffserv (DSCP) QoS with strict priority and 4 queues in the Dante network's switches. Using the Preferred Master setting in Dante Controller, you may designate as a Master Clock a device (or devices) that is always present for the entire time that the network is required to function. Networking details Network switch requirements Firmware Update Manager Dante is a proprietary digital media networking solution, developed by Audinate and licensed by Biamp, which operates on 100Mbps and Gigabit networks using standard Internet Protocol (IP) over Ethernet. Dante devices on the same network automatically detect each other. When usingmanaged switches, ensure that they allow EEE to be disabled. We shall explain each point in more detail. A telltale symptom of IGMP snooping configuration issues is when multiple devices are shown as Master Clock devicesin Dante Controller. #4: 64 output channels from one DAN-1 to (32) 2-channel output wall plates would be automatically encapsulated within (32) unicast flows containing 2channels each. This can make setting up a system simpler and thus reduce complexity and potential errors. The routing information is stored in the Dante-enabled devices themselves. If you use unmanaged switches, do not use Ethernet switches that support the EEE function, because you cannot disable EEE operation in these switches. The TesiraCONNECT TC-5Doffers a virtualized Dante endpoint hosted in the TC-5Dnetwork appliance. Cisco switch configuration guide. The internal VCXO clock generated within a piece of Dante enabled equipment, or. Dante devices can issue IGMP join and leave messages. The Simple Network Management Protocol (SNMP) enables the simple query of standard parameters. Cisco switch configuration guide | Audinate | Dante Pro AV Networking Dante Controller Audinate maintains a firmware library for Dante endpoint hardware. More info We highly recommend that you use switches that support DiffServ (DSCP) QoS with strict priority and 4 queues. Even if the bandwidth is sufficient for the few channels, the latency increases significantly more when cascading 100Mbit switches per switch than when using 1Gbit connections. Dante certainly works without a DHCP server. TesiraFORT X does not support video over Dante. Do not make changes to an Enterprise network or networks managed by others without proper authorization. When connected to an IP/Ethernet network, a Dante-enabled device will automatically configure its own IP address and advertise itself to other devices on the network. It allows for transporting low-latency, uncompressed audio over standard IP networks with sample accurate synchronization, automatic device and channel discovery, and easy-to-use signal routing. Each receiver has an Rx latency setting. #1:32 input channels to one DAN-1 from (32) 1-channel Dante microphones would be automatically encapsulated within (32)unicast flows containing 1 channel each. #3:32 output channels from one TesiraFORT DAN to another TesiraFORT DAN would be automatically encapsulated within (8)unicast flows containing 4 channels each. /*MXA920 User Guide - Shure And of course there are also switches with redundant power supplies that can be exchanged during operation (hot-swappable). By configuring the QoS settings recommended by Dante on a network switch, you can give Dante clock synchronization top priority and give audio data the next highest priority over background data traffic. the number of switches, the cable lengths, the desire for redundancy and failure safety. clear allDante subscriptions in Dante Controller (double-click on each Dante receiver device name, select 'Unsubscribe' on the bottom of the channel list. Can I use any network switches with Dante Via? | Audinate | FAQs 3. IED Network Requirements When Using Dante - Customer Support Portal Also, if you intend to provide a spare switch, it will be easier to replace a faulty switch with a switch of the same model. This prevents unintentional changeson a live system. Dante hostnames can be changed under Device Maintenance > Network Settings in the DAN-1 (Slot x) tab. AES67 is a standard to enable high-performance audio-over-IP streaming interoperability between the various IP based audio networking products currently available, based on existing standards such as Dante, Livewire, Q-LAN and Ravenna. Unmanaged or managed does not play a role at first, because the most important thing is that the data packets from the Dante sender arrive unchanged and as quickly as possible at the Dante receiver.

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