# JPEG-XS with Jumbo Frames

Jumbo frames are Ethernet frames with a payload larger than the standard 1500 bytes. Using them can improve network performance for high-bitrate streams like JPEG-XS by reducing packet header overhead. They are recommended for JPEG-XS services at bitrates of 300 Mbps and higher.

To use jumbo frames, you must configure them on your Beam device's network interfaces and in the Live Encoder service.

> **Info:** Jumbo frames only work if all devices on the network path, including switches and routers, are also configured to support them.

## Configure Jumbo Frames on Network Interfaces

To use jumbo frames for a JPEG-XS stream, you must first enable them on the network interfaces of your Beam device by setting a higher Maximum Transmission Unit (MTU).

See [Configure Jumbo Frames for instructions](/beam/system-admin/network/jumbo-frames).

## Enable Jumbo Frames in the Live Encoder Service

After configuring the network interfaces, enable jumbo frames for the specific Live Encoder service.

1. In the **Live Encoder** service configuration, go to the **Input** tab and ensure the **Contribution encoding service** checkbox is checked.
2. Under the **Encoding** tab, ensure the codec is set to **JPEG XS 4:2:2** or **JPEG XS 4:2:2 10 bits**.
3. In the output properties under the **Output** tab, check the **Ensure Large Frames** checkbox.

> **Warning:** Secure Reliable Transport (SRT) does not support jumbo frames. If you are using JPEG-XS with SRT, do not enable jumbo frames in the Live Encoder or on the network interfaces.

> **Info:** Jumbo frames are enabled by default in the Live Encoder configuration if the bitrate is higher than 1 Mbit/s.