# Flow Control

## 1. Summary

This page is for configuring flow control (the IEEE 802.3x PAUSE frame transmission and reception).

## 2. Top page

This is the top page for flow control.

### 2.1. System settings

- Displays the current setting whether to use flow control (the IEEE 802.3x PAUSE frame transmission and reception) for the entire system.

- Press the "Setting" button to display the page for configuring the settings.

- To enable flow control for the entire system, you need to disable the QoS function.

### 2.2. Interface settings

- Displays flow control settings for each LAN/SFP port.

- Press the "Setting" button to display the page for configuring the selected interface settings.

- Press the "Return to defaults" button to initialize the settings for all interfaces with the check box selected.

- Press the "Specify all" button to configure the settings for all interfaces with the check box selected.

## 3. System settings page

This page is for configuring flow control (the IEEE 802.3x PAUSE frame transmission and reception) for the entire system.
Enter the settings, and then press the "Confirm" button.
If there are no mistakes in the input content of the confirmation screen, press the "OK" button.

### 3.1. System settings

- Flow control for entire system
  You can specify whether to enable or disable flow control for the entire system.
  Even if flow control for the entire system is enabled, flow control does not work for a port whose individual port setting is disabled.

## 4. Interface settings page

This page is for configuring flow control (the IEEE 802.3x PAUSE frame transmission and reception) for the interface.
Enter the settings, and then press the "Confirm" button.
If there are no mistakes in the input content of the confirmation screen, press the "OK" button.

### 4.1. Interface settings

- Flow control
  Specify whether to enable or disable flow control for LAN/SFP ports.
  If it is enabled, Pause frames are sent and received regardless of whether the target device supports flow control.

- Auto negotiation
  Use auto negotiation to verify that the target device supports flow control.
  If the target device does not support flow control, Pause frames are not sent or received.

- Constraints

  - In the following cases, only receiving Pause frames is supported.
    For SWX2310-52GT
    For SWX3200-52GT
    When the stack function is enabled

  - The following interfaces cannot be specified auto negotiation.
    Combo port SFP+ port, SFP28 port, QSFP28 port

  - In the following cases, auto negotiation does not work even if it is enabled.
    When an SFP+ module is used

Search result
No more search results.
There are no topics that match your search query.