First Published: 4/24/2018       Last Modified: 4/24/2018      Last Modified by: LL    Article ID:230

Products Affected:   USB-C Dock

Jumbo Frames are Ethernet frames that can carry more than 1500 bytes of payload. CalDigit USB-C Dock can support two jumbo frame configurations - 2 KB and 4 KB. To enable Jumbo Frames for the USB-C Dock in macOS: From the Apple menu, choose System Preferences. Click Network. In the left sidebar, select "CYUSB3610" for your CalDigit USB-C Dock. If you see a lock icon in the bottom left corner, click the lock icon and enter your administrator password. Click the "Advanced..." button. Click the Hardware tab. From the Configure: pop-up menu, choose "Manually". From the MTU pop-up menu, choose "Custom" then enter 4088. Click OK, then click Apply to save your changes. To test Jumbo Frame in macOS: Go to Terminal Application. Type in the command: ping -D -s 4060 [Your destination IP] , then hit enter. You will see around 4000 bytes back from destination machine. To enable Jumbo Frames in Windows: From Windows Device Manager, choose Network Adapters. Right-click on Cypress GX3 SuperSpeed to Gigabit Ethernet Bridge Controller and select Properties. Click on the Advanced tab. Under Property drop-down list, select Jumbo Packet. Select the Jumbo frame size value from the drop-down list (Disabled, 2KB, or 4KB). Note: Your Gigabit Ethernet Switch, Destination Machine and OS must support jumbo frames.

Additional Information: Jumbo Frame Support in CalDigit Thunderbolt Docks Wikipedia: Jumbo Frame

Keywords : Jumbo Frame, Etehrent, MTU 2K, 4K, USB-C Dock