dante switch requirements

4. At least in the control room, but also on the stage (in the theater / opera area), attention should be paid to low noise emissions. We're generally using Cisco SG250 w/POE + # of ports required, but I wanted to see if anyone had any better/quicker suggestions. Be sure to use non-blocking layer-2 gigabit switches. 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. If more than one device is selected as the "Preferred Master", the device with the lowest MAC address will be chosen during a clock election. If a transmitter runs out of the available flows, use ofmulticast flows may be necessary to reduce the number of transmitted flows. VLANs, can be transmitted over a single cable, a so-called trunk. Additionally, a 32-bit multicast flow will be shown as created and ready in the transmitter device - although it is not connected to any of the 24-bit receivers. While possible in principle, the practical limitations of current wireless technology (802.11a/b/g/n) render reliable performance unachievable. 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. In addition to the performance limitation per port, there is also a limit for the switch as a whole. DAN-1 and TesiraFORT DAN devices running BiampFW versions 3.8, 3.9, or3.10 will advertise themselves within Dante Domain Manager even though it is not supported in those versions. The Dante endpoint is a hardware component of the Tesiradevice, and inherits its firmware from the Tesira host. How does Dante work? An external clock source which is internally connected to the Dante device (e.g. Without questioning queriers, there are no IGMP messages, so nothing to listen to and the whole system does not work. As you will notice when you compare the switches commonly used today, most of the features are already available in absolutely affordable models. A flow is a UDP / IP data packet. 4. 1. 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. 1Gbit ports are currently the standard. We do not recommend using SG350 and SG550 series switches as firmware quality varies widely. Configuring a Network Switch for Shure Devices and Dante/AES67 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. Dante allows you to configure low latency connections for critical audio paths, while at the same time running higher latency connections for a broadcast or recording feed where latency is less critical. For lower channel count (<32) applications, a 100Mbps switch may be used as long as it supports proper . In systems running Tesira firmware 3.15 and higher this message can be disabled to prevent theAIS(Alarm in system) and fault lights indicating an issue when Dante some devices are expected to be disconnected, such as a mixing console or other transitory hardware. This guide focuses on network design rather than the basic specifications of individual products and Dante network. Tesira allows channel name changes to propagate to the system from Dante Controller. But there are many features that make management much easier in situations with several switches and allow the existing cable infrastructure to be used more efficiently and safely. QoS is recommended for Gigabit switches on networks that share data with services other than Dante. Cross-connecting the primary and secondary networks will cause errors seen by Tesira as run time faults. Please see Configuring a Network Switch for Shure Devices and Dante/AES67 for configuration details. 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. Network Switch Requirements Observe these requirements when selecting and manually configuring network switches for compatibility with Q-SYS. Latency in a Dante system is deterministic and guaranteed. I would be more concerned about the 1G switches with multiple NDI streams. A sufficient forwarding rate is 1.4 Mpps per port (gigabit). This is advantageous for Dante applications, for example, if a separate control network is to be set up in addition to the audio network. Here are some additional tips for selecting a switch: Avoid switches on our list of Disqualified Network Switches for Shure Dante Devices. Here are a few common settings to check if you are having Dante network audio issues: 1. Tesira does not support video over Dante. We highly recommend that you use managed (intelligent) switches so that you can adjust the switch settings according to the system requirements and monitor the status of the switch. Instead, unicast flowswill attempt to be negotiated to each of the24-bit receivers. Tesira devices have a processor hostname for Tesira software and a Dante hostname for the Audinate Dante interface. Dante Level 1,Level 2, and Level 3 certifications areadvised for technicians who will be working onDante installations and troubleshooting in the field. . DSCP for Dante Hardware. Redundant PTP Slave clocks will synchronize their local clocks based on information from one of the networks they are connected to. Dante network and switch/router requirements summary * for the secondary / redundant network, if present). This synchronization requires the use of Diffserv (DSCP) QoS with strict priority and 4 queues in the Dante network's switches. 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. Multicast flows must be manually created in Dante Controller, and channels manually assigned to the flow. Meet Dante. In larger installations, multiple switches will be needed. A single DIP switch can be switched to optimize the unit for a Dante network. Flows contain at least 1 channel and up to 4 channels when routed to 1 device (unicast), or up to 8 channels when routing to multiple devices (multicast). Also, please be aware that some low-cost switches that support gigabit transfers may have insufficient packet forwarding capabilities. * (172.31.*. Cisco switch configuration guide | Audinate | Dante Pro AV Networking 3. Yes, but all Ethernet switches support multicast. If this is not the case (e.g. 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). For further information, please review the Tesirasupport for Dante Domain Manager article. e.g. (For 96kHz/24bit audio the channel capacity is halved. And of course there are also switches with redundant power supplies that can be exchanged during operation (hot-swappable). To help manage the multicast traffic on the network it is recommended to enable IGMP snooping on your switches. In practice, ifDante Controllersoftware allows a connection to be made, it should pass audio. E.g. 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. 48 x 48 48kHz/24bit audio channels can be sent over a single link, giving a total of 96 bi-directional channels. Ethernet Switch Requirements. In. We highly recommend that you use switches that support DiffServ (DSCP) QoS with strict priority and 4 queues. TesiraFORT X can transmit up to 32channels of audio and receive up to 32 channels of audio using up to 32flows in each direction. Example: Analog L@my-transmitter describes a channel labeled Analog L on a device named my-transmitter. The screenshot on the right shows the configuration of a Cisco SG350 as an example. Nonetheless, it is standard for QoS to be used in Dante networks. 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. Pausing or disabling the firewall or VPN software allows Dante Controller discovery and querying to behave normally. "DeviceLockallows you tolockand unlocksupported Dante devices using a 4-digit PIN (Personal Identification Number). Tesira does not offer 96kHz sample rate support.). Sure. Connect the computer running Shure Web Device Discovery and Dante Controller to the same network. Note that VLANs do not guarantee or reserve network bandwidth, they are essentially an organizational tool for ports anddevices. Many HP switches only have a stripped-down web interface. With the Aruba 2530, for example, VLANs can be set up and the ports assigned via the web browser. Upgrade your M4300 switch to the latest software. e.g. The table below shows how Dante hardware devices apply DSCP packet priority values: [CDATA[*/(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': Depending on the number of devices to be connected, this can actually be useful. Favorite Dante switches Hello fellow AV nerds What switch (s) are you guys liking for quick setup (during install) for standalone Dante systems? And if the active connection fails, the redundant path is automatically activated and the network is fully usable again within a few seconds. Before enabling the feature for your clock followers, check that your current clock leader supports the feature, by attempting to enable it for the device. What is Dante? Device names must be unique on a Dante network. 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. The Q-SYS NS Series Gen 2 offers a range of enterprise-grade, NETGEAR-manufactured network switches that have been pre-configured specifically to meet the performance requirements for Q-SYS, AES67 and Dante. There is a status column which indicates the health of the subscription. DAN-1 MAC addresses are visible within Device Maintenance > Network Settings under the DAN-1 (Slot x) tab, choose the Interface Status button. If no other Dante device is defined as Preferred Master then the synced DAN-1 will be elected clock master. Name and label comparisons are case-insensitive; Guitar and guitar are treated as the same label. The whole domain, and by extension all other devices, must be on the same v2 clock domain as the SMPTE-capable Dante 4.2 device. There are two (2) MAC addresses for each DAN-1 card, use Interface ID: to select between the Primary and Secondary NICs. The fault can be resolved by unchecking the Preferred Master selection for the offending device or by setting Dante as Tesira's Network Media clock master (in the Tesira configuration file). Packet control features such as VLANs and IGMP snooping. For low channel count (32 or less) applications, a 100Mbps switch may be used as long as it supports proper DSCP QoS, and QoS is active. The numbering of the 2 libraries is unique from one another and uncorrelated. Dante clocking guarantees that all devices are synchronized to within 1 microsecond or less, and that all devices can play out audio at the level of sample accuracy. First the clock data is transmitted, then the audio data and only then all other data such as cute cat pictures. Tesira does not support video over Dante. The functions of Dante and QSC Q-SYS devices rely on three key network technologies: Discovery and control (mDNS and known multicast group), QoS (IP DSCP to transmit critical packet, PTP), and Multicast Registration (IGMP for audio streams to join and leave a broadcast). If no querier is present thenIGMP snooping will cause Dante clock discovery to fail. You can however choose an alternative clock leader that does support it, and then enable it for the clock followers that also support it. Device names must begin with A-Z (or a-z). Due to the length of the cables, it is common in larger theaters that the connections between devices are made using fiber optic cables. Whensingle channel Dante endpoints are used (e.g. If the AVB network has been specified as the Clock Master network, then the Tesira system will try to impose its clock on Dante network: In Dante Controller, the DAN-1 in the chassis with both AVB and Dante card will show PreferredMaster and Enable syncto external" word clock flags set. This will cause a conflict. Wireless LAN (Wi-Fi) isnotsupported for Dante audio. In order to bring latency down to the lowest possible values, a gigabit network should be used. Thecombination of Device_Name+Channel_Namemust be unique on the network for each Dante channel. Whensingle channel Dante endpoints are used (e.g. Enabling Unicast Delay Requests for these devices is recommended. A Tesira with both AVB and Dantecards is not required to be a "Preferred Master" device. We recommend managed (intelligent) switches that can be configured and monitored. Audio data is transmitted on both the primary and secondary networks simultaneously. Mixing NDI, DANTE with existing LAN : r/VIDEOENGINEERING - Reddit Because if a switch fails, the transmission via the other network continues if separate switches and cables are used. Dante Primary and Secondary ports must be on their own unique networks. If your Dante audio device is using multicast service, you'll need to . If the Dante network has been specified as the Clock Master network, then the Tesira system will impose the Dante clock on its AVB network: The DAN-1 in the chassis with both AVB and Dante card will, It is possible to manually set multiple devices to the "Preferred Master" state. Rapid Spanning Tree Protocol (RSTP) and Multiple Spanning Tree Protocol (MSTP) are flavours of the original STP. The processing quality, the longevity and reliability over many years, but also the manufacturer support and the availability of replacement devices play just as important a role in the professional environment as the features that marketing likes to emphasize. A central server can, for example, check for all switches which ports are currently active. This means that only the packets according to the Dante specification are given priority and all other packets are sorted into the last queue. Capable of switching off Energy Efficient Ethernet (EEE) and other power-saving features. #3: 64 output channels from one DAN-1 to another 64-channel Brooklyn II Dante device would be automatically encapsulated within (16) unicast flows containing 4 channels each. Many of the properties of the Dante flows (or channels) are configurable only through Audinates Dante Controller software. QoS only helps against fluctuating non-audio data. In the firewall settings it may be necessaryto allow specific ports including 8751, 8800, 55123, and 65117. Dante devices can issue IGMP join and leave messages. Note: Unicast Delay Requests does not have to be enabled on the clock leader, only on the clock followers. #2:64 input channels to one DAN-1 from (16)4-channel Dante wall plates would be automatically encapsulated within (16)unicast flows containing 4channels each. Install the microphone and connect it to a PoE port on the network switch using Ethernet cable. NS Series network switches support Q-LAN, AES67 and Dante audio streams, in addition to Q-LAN video streaming and distribution simultaneously within the same VLAN without the need for manual configuration of switches or end-point devices. This allowsDante IO from a single card to be available in multiplepartitions and allows you toindividually update the partitions without reconfiguringthe Dante card itself. (full stop or period), or '@' (at). Spanning tree may interfere destructively with IGMP, if both are desired this should be discussed and tested in conjunction with the switch manufacturer. Because if there are permanently more than 100Mbit of audio streams, packets are swallowed. Pre-4.2 Dante devices, including Tesira, can participate in domains with Dante 4.2 devices using AES67 or SMPTE. Dante redundancy requires that both the primary and secondary interfaces on any redundant device are connected using the same link speed. Configuring a Switch for Dante - Focusrite Audio Engineering The Tesirasystem will impose its own values on thePreferredMaster and Enable syncto external" check boxes to align with the Media Network configuration defined in the Tesira. A Tesiradevice will set its Preferred Master flag automatically to match the clock propagation specified in the configuration. A Dante receiver introduces an additional latency before playing out audio to account for delay variation in the network or end device. By default this selection takes place automatically, with no need to manually assign a Master Clock. Dante certainly works without a DHCP server. the number of switches, the cable lengths, the desire for redundancy and failure safety. It can share the same network switch hardware as the SNC-1 or SNC-2 network control port. This device is automatically made the Master clock, so all others will sync to this device. Most of the sound colleagues prefer a web user interface, i.e. A link will always slow down to the lowest speed connector on that link; eg. The secondary port found on the DAN-1 card is for Dante redundancy only, it is not to be used for daisy chaining devices. DDM requires a PC or virtual machine present on the network to run the DDM server and to manage the domains and permissions. The question of features of a switch relates more to the environment in which it is to be used, i.e. Devices may not appear in the Routing tab. 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. In this configuration a 3rd party Dante device on the network should be defined as "PreferredMaster". In the event of a bottleneck, the switch recognizes which data packets are more important and forwards them first. Setting the Dante blocks to Fixed in unit = True tells the software explicitly which channels in the Dante card you want each block to be assigned to, and locks them there in future recompilations. This allows greater freedom to build a high performance, flexible network that maintains fantastic latency performance. Be sure to read all of the IGMP configuration literature for each switch model in the network to ensure the attributes are properly configured. In mixed networks, in which not only Dante packets are transmitted but also other information, this function can actually prevent an audio failure in the event of a sudden bottleneck. IGMP snooping is also heard more and more often. When a switch has IGMP snooping and filtering turned on, it will prevent IP multicast from flooding the network. By default they are sent using unicast, but the user can change this to multicast using the Dante Controller. If you intend to multicast over multiple switches, you will also need to configure multicast router ports. If youplace (4) 8-channel Dante input blocks in a configuration the Tesira compiler will allocate those blocks to the Dante card in the order it sees as the best solution at that time - a different solution may be found the next time. When a device islocked, audio will continue to flow according to its existing subscriptions, and it can be monitored, but it cannot be controlled or configured its subscriptions and configuration settings become read-only. 2. This is an intelligent managed switch that can be used to easily create and monitor a Dante network for touring purposes as well. If you have a Cisco SG350 Series Switch, D-Link DGS-1210, Cisco SG300 Series, or Cisco Meraki switch, please see our switch-specific FAQ's: 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. if a non-redundant device is designated Preferred Master) then one device will bridge the clock synchronization information from the primary to the secondary network, ensuring that all devices derive their clock from the same source. The switch tries to save power by efficiently packing the data packets, but ultimately it messes up the continuous flow of transmission. Performance Requirements These networking features and settings affect performance with Q-SYS. What is the minimum requirement for switches in a Dante network? In the professional environment, meticulous care is usually taken to ensure that the Dante switches and connections are only used for Dante devices. So now to the many catchphrases that are always mentioned in connection with switches: A virtual local area network (VLAN) allows the use of several separate networks on a single switch. 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. Tesiradevice names will be defined by default asTesiraServernnnnnnnn-Slotnnwhere the stringTesiraServeris appended by its serial number and the slot housing the DAN-1 card. And if you don't use either of these two options, each device automatically assigns itself a link local address as an emergency solution, also known as the ZeroConf address (169.254.x.x). Most off-the-shelf switches are fine for use with Dante, apart from unmanaged switches with Energy Efficient Ethernet (EEE), which interferes with Dante clocking. 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. ), 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. This feature is usually only available in the upper league with the corresponding price. Biamp strongly recommends always using the latest version of Dante Controller software. It can be said that EEE is incompatible with real time applications, such as audio or video streaming, which can lead to degraded clock synchronization and audio interruption. The configuration examples in this guide are based on the Cisco SG300 Series. Helpful Dante Setup Documents. })(window,document,'script','dataLayer','GTM-5VMW4WC');/*]]>*/ You have to use the command line for the full range of functions. Basically not for pure audio transmission at first. Channel labels must be unique on a device. Dante devices connect via standard CAT-5e or higher network cabling. Switch models and firmware updates occur frequently. In a Dante Primary network 192.168.10.x you could use 192.168.10.1-200 for static IP addresses for all invariable devices like your console, your DSP and your amps. 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. The DAN-1 card connects via standard CAT-5e or higher network cabling to a network switch. In Dante, devices and audio channels are identified by names and labels that can be customized by users. The following guide is designed to help you configure your network switch for Dante and AES67 networks. Because Tesira is capable of combining and synchronizing multiple network audio protocols, the Preferred Master flag of a Tesiradevice's Dante interface cannot be set using Dante Controller. Make sure that EEE is disabled on all ports used for real-time Dante traffic. Tesirasupport for Dante Domain Manager article. Ethernet Switch Requirements - QSC Audio Products Output channels will be allocated in the same manner, beginning withOUT1_1and so on. Explicitly block multicast clock traffic (224.0.1.129) from any attached WiFi access points. the possibility of operation via a web browser. You will need to use a switch that supports fiber connections to send Dante data over a fiber optic cable. The data rate per port can also be checked. Managed switches have a variety of management features in addition to QoS, and it goes without saying that these features should be used to maximize network performance. Each network will have a designated PTP Master Clock; usually this will be the same device on both networks. You can monitor device status and clock status via Dante Controller.
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