# Dante Optimization Setting Function

## 1. Function Overview

The Dante setting optimization function makes it easy to build the optimal environment for “Dante” digital audio networks.
The function allows users to easily configure all Dante settings at the same time without having to think about individual Dante settings (such as QoS, IGMP snooping, disable flow control, and disable EEE settings).

## 2. Definition of Terms Used

Dante
Dante is a digital audio network specification developed by the Audinate Corporation.
ADECIA
ADECIA is Yamaha’s teleconferencing system. It connects processors, microphones, and speakers used for teleconferencing via a LAN (Dante).
ADECIA Components
Devices (teleconferencing processors, microphones, and speaker system) included in ADECIA systems.
LLDP
Protocol for passing device information to neighboring devices.

## 3. Function Details

Dante settings can be optimized by the following three methods.

- Automatic optimization settings using LLDP

  - Optimized settings are automatically applied by receiving proprietary LLDP frames from ADECIA components.

- Manual optimization settings via the Web GUI

  - Optimized settings are applied from the ProAV settings page indicated in the web GUI of this product. For information on how to apply the settings using the web GUI, refer to the ProAV setting function.

- Preset settings using DIP switches

  - The settings are applied by setting the DIP switches on the back of this product to a Dante preset and starting the product. For instructions on how to set the preset using the DIP switches, see Presets.

The following explains the details on automatic optimization settings using LLDP.

This product automatically reflects the settings optimal for using “Dante” by using the proprietary LLDP frames received from ADECIA components.
The items that are automatically set vary depending on the firmware version of the connected ADECIA component. The list of setting items is shown below.

Object of setting | Function | Commands | Applicability (ADECIA V2.5 and earlier) | Applicability (ADECIA v2.8 and later)
--- | --- | --- | --- | ---
Entire system | Disable flow control | flowcontrol disable | Yes | Yes
Enable QoS | qos enable | Yes | Yes
Optimize transmission queue by DSCP value | qos dscp-queue 8 2 | Yes | Yes
qos dscp-queue 26 3 | - | Yes
qos dscp-queue 34 4 | - | Yes
qos dscp-queue 46 5 | Yes | Yes
qos dscp-queue 48 5 | - | Yes
qos dscp-queue 56 7 | Yes | Yes
qos dscp-queue [not indicated above] 0 | Yes | Yes
Always forward linked local multicasts | l2-unknown-mcast forward link-local | - | Yes
Enable the PTP function | ptp enable | - | Yes
VLAN interface | Flood unknown multicasts | l2-unknown-mcast flood | - | Yes
Enable IGMP snooping | ip igmp snooping enable | Yes | Yes
Set IGMP snooping version | ip igmp snooping version 3 | Yes | Yes
Enable IGMP snooping fast-leave function | ip igmp snooping fast-leave auto-assignment | - | Yes
Enable IGMP query transmission function | ip igmp snooping querier | Yes | Yes
Set IGMP query transmission interval | ip igmp snooping query-interval 30 | Yes | Yes
Disable IGMP report-suppression function | ip igmp snooping report-suppression disable | - | Yes
Enable IGMP report forwarding function | ip igmp snooping report-forward enable | - | Yes
Disable IGMP packet TTL value checking function | ip igmp snooping check ttl disable | Yes | Yes
Disable IGMP packet RA checking function | ip igmp snooping check ra disable | - | Yes
Disable IGMP packet ToS checking function | ip igmp snooping check tos disable | - | Yes
Enable data transfer suppression function for multicast router ports | ip igmp snooping mrouter-port data-suppression enable | - | Yes
Set always forwarding PTP packets | l2-mcast flood 224.0.1.129 | - | Yes
l2-mcast flood 224.0.1.130 | - | Yes
l2-mcast flood 224.0.1.131 | - | Yes
l2-mcast flood 224.0.1.132 | - | Yes
l2-mcast flood 239.254.3.3 | - | Yes
LAN/SFP port | Set QoS trust mode to DSCP | qos trust dscp | Yes | Yes
Disable flow control | flowcontrol disable | Yes | Yes
Disable EEE | eee disable | Yes | Yes
Enable the PTP function | ptp enable | - | Yes
Set MRU | mru 1522 | - | Yes
Enable LLDP transmission and reception | set lldp enable txrx | - | Yes
Set basic management TLV | tlv-select basic-mgmt | - | Yes

Automatic optimization settings via LLDP are set by the lldp auto-setting command.
By default, this product is set to enable automatic optimization settings via LLDP.

ADECIA components transmit Yamaha-proprietary LLDP frames that contain the following contents.

- EEE (Energy-Efficient Ethernet) disable setting

- Flow control disable setting

- Diffserve base QoS setting

- IGMP snooping settings

If this function is enabled and a corresponding LLDP frame is received, then the settings are automatically applied to the running-config settings for the overall system, for the VLAN interface that received the frame, and for the LAN/SFP port where the LLDP frame was received.
However, the function is disabled if even one of the automatically specified settings differs from factory settings.

If you save using the copy running-config startup-config command or the write command, the settings are also applied to the startup-config that is used for the next and subsequent startups.

Even if the port to which the device is connected experiences a link-down state after automatic optimization settings, the automatically added settings are maintained.

This function can be used only for a physical interface (LAN/SFP port). It cannot be used with a link aggregated logical interface.
In addition, LAN/SFP port modes can only be used at access ports. They cannot be used at trunk ports.
This function cannot be used if the stack function is enabled on models that support it.

In order to use this function, reception of LLDP frames must be enabled.
For this reason, check in advance that the following settings have been made.

- Enable LLDP functionality for the overall system using the lldp run command.

- Create LLDP agents at applicable interfaces using the lldp-agent command.

- Specify the LLDP frame transmit/receive mode using the set lldp command.

LLDP frame transmission and reception are enabled in product default settings.

## 4. Related Commands

Related commands are indicated below.
For details on the commands, refer to the Command Reference.

Operations | Operating commands
--- | ---
Set Dante automatic optimization settings function using LLDP | lldp auto-setting
Enable LLDP function | lldp run
Create LLDP agent | lldp-agent
Set LLDP transmission/reception mode | set lldp
Set basic management TLV | tlv-select basic-mgmt
Set flow control (system) | flowcontrol
Set flow control (interface) | flowcontrol
Enable QoS | qos
Set DSCP - transmission queue ID conversion table | qos dscp-queue
Set egress queue scheduling | qos wrr-weight
Set QoS trust mode | qos trust
Set the PTP function (system) | ptp
Set the PTP function (interface) | ptp
Set forwarding multicast frames | l2-mcast flood
Set forwarding unknown multicasts | l2-unknown-mcast
Enable/disable IGMP snooping | ip igmp snooping
Set IGMP snooping version | ip igmp snooping version
Set IGMP snooping fast-leave | ip igmp snooping fast-leave
Set IGMP query transmission function | ip igmp snooping querier
Set IGMP query transmission interval | ip igmp snooping query-interval
Set IGMP packet TTL value checking function | ip igmp snooping check ttl
Set IGMP packet RA checking function | ip igmp snooping check ra
Set IGMP packet ToS checking function | ip igmp snooping check tos
Set IGMP report suppression function | ip igmp snooping report-suppression
Enable IGMP report forwarding function | ip igmp snooping report-forward
Enable transfer suppression function for multicast router ports | ip igmp snooping mrouter-port data-suppression
Set EEE | eee
Set MRU | mru

## 5. Examples of Command Execution

Enable automatic optimization settings using LLDP.
Enable LLDP transmission and reception on port1.1.

    Yamaha#configure terminal
    Yamaha(config)#interface port1.1
    Yamaha(config-if)#lldp-agent (1)
    Yamaha(lldp-agent)#set lldp enable txrx (2)
    Yamaha(lldp-agent)#exit
    Yamaha(config-if)#exit
    Yamaha(config)#lldp run (3)
    Yamaha(config)#lldp auto-setting enable (4)

1 | Create LLDP agent, mode transition
2 | Set LLDP transmission/reception mode
3 | Enable LLDP function
4 | Enable automatic optimization settings using LLDP

## 6. Points of Caution

- Using LLDP to specify settings automatically

  - This function can be used only for a physical interface (LAN/SFP port). It cannot be used with a link aggregated logical interface.

  - LAN/SFP port modes can only be used at access ports. They cannot be used at trunk ports.

  - This function cannot be used if the stack function is enabled on models that support it.

  - This functionality is disabled if even one of the automatically specified settings differs from factory settings.

## 7. Related Documentation

- ProAV Setting Function

- LLDP

- QoS

- Flow control

- IGMP Snooping

- Basic Interface Functions

- Spanning tree

- L2MS

- PTP

- Preset

- ADECIA Product Information

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