Jumbo Frames allow the use of Ethernet frames larger than 1500 bytes and is supported on both UniFi Gateways and Switches. The Jumbo Frames option is available in the Global Switch Settings and in the device details.
MTU Size and Exceptions
On UniFi Switches and Gateways, the typical MTU size is 9216 bytes when using Jumbo Frames. This applies to all devices with the exception of the following:
USG: 9000 bytes
USG-Pro: 9000 bytes
Frequently Asked Questions
We recommend using Jumbo Frames on all devices in the network, including the clients. If a device uses the standard MTU size of 1500 bytes, connectivity issues may occur.
Generally this option is available in the network adapter settings. Please refer to the relevant operating system or manufacturer documentation for more information. The Jumbo Frames option may be referred to as MTU 9000 or a similar value instead.
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