# 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 two methods.

- Automatic optimization settings using LLDP

  - Automatically applies optimized settings by receiving LLDP frames independently from ADECIA components.

- Manual optimization settings via the Web GUI

  - Applies optimized settings from the ProAV settings page indicated in the web GUI of this product.

The settings that can be collectively specified at the same time using the Dante setting optimization function are listed below. For automatic setting optimization using LLDP, the applicable settings will differ depending on the ADECIA component firmware version.

Object of setting | Function | Commands | Applicability
--- | --- | --- | ---
LLDP (ADECIA V2.5 or earlier) | LLDP (ADECIA V2.8 or later) | Web GUI
Enable QoS | qos enable | Yes | Yes | Yes | Optimize transmission queue by DSCP value
qos dscp-queue 8 2 | Yes | Yes | Yes | qos dscp-queue 26 3
- | Yes | Yes | qos dscp-queue 34 4 | -
Yes | Yes | qos dscp-queue 46 5 | Yes | Yes
Yes | qos dscp-queue 48 5 | - | Yes | Yes
qos dscp-queue 56 7 | Yes | Yes | Yes | qos dscp-queue [not indicated above] 0
Yes | Yes | Yes | no qos wrr-weight [0 to 7] | -
Yes | Yes | Always forward linked local multicasts | l2-unknown-mcast forward link-local | -
Yes | Yes | Enable LLDP | lldp run | - | -
Yes | VLAN interface | Disable shutdown | no shutdown | - | -
Yes | Flood unknown multicasts | l2-unknown-mcast flood | - | Yes
Yes | Enable IGMP snooping | ip igmp snooping enable | Yes | Yes
Yes | Set IGMP snooping version | ip igmp snooping version 3 | Yes | Yes
Yes | Enable IGMP snooping fast-leave function | ip igmp snooping fast-leave auto-assignment | - | Yes
Yes | Enable IGMP query transmission function | ip igmp snooping querier | Yes | Yes
Yes | Set IGMP query transmission interval | ip igmp snooping query-interval 30 | Yes | Yes
Yes | Disable IGMP report-suppression function | ip igmp snooping report-suppression disable | - | Yes
Yes | Enable IGMP report forwarding function | ip igmp snooping report-forward enable | - | Yes
Yes | Disable IGMP packet TTL value checking function | ip igmp snooping check ttl disable | Yes | Yes
Yes | Disable IGMP packet RA checking function | ip igmp snooping check ra disable | - | Yes
Yes | Disable IGMP packet ToS checking function | ip igmp snooping check tos disable | - | Yes
Yes | Enable data transfer suppression function for multicast router ports | ip igmp snooping mrouter-port data-suppression enable | - | Yes
Yes | Set always forwarding PTP packets | l2-mcast flood 224.0.1.129 | - | Yes
Yes | l2-mcast flood 224.0.1.130 | - | Yes
Yes | l2-mcast flood 224.0.1.131 | - | Yes
Yes | l2-mcast flood 224.0.1.132 | - | Yes
Yes | l2-mcast flood 239.254.3.3 | - | Yes
Yes | LAN/SFP port | Set QoS trust mode to DSCP | qos trust dscp | Yes | Yes
Yes | Disable flow control | flowcontrol disable | Yes | Yes
Yes | Disable EEE | eee disable | Yes | Yes
Yes | Set MRU | mru 1522 | - | Yes
Yes | Set L2MS filter | l2ms filter disable | - | -
Yes | Set BPDU filter | spanning-tree bpdu-filter disable | - | -
Yes | Create LLDP agent | lldp-agent | - | -
Yes | Enable LLDP transmission and reception | set lldp enable txrx | - | Yes
Yes | Set basic management TLV | tlv-select basic-mgmt | - | Yes

#### 3.1. Automatic optimization settings using LLDP

Settings optimized for Dante can be applied automatically by receiving LLDP frames created independently by ADECIA components.

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.

#### 3.2. Manual optimization settings via the Web GUI

For information on how to apply the Dante optimization settings using the web GUI, refer to the ProAV setting function.

### 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
Shutdown | shutdown
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 L2MS filter | l2ms filter
Set BPDU filter | spanning-tree bpdu-filter
Set EEE | eee
Set MRU | mru

### 5. Examples of Command Execution

#### 5.1. Automatic optimization settings using LLDP

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

- ADECIA Product Information

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