The directory name cannot contain spaces and the following special characters: ~ * / \ : ' ".
If the directory contains any of these characters, modify the directory.
Run the dir command on the server to check the available space of the server root directory.
If the storage space is insufficient, run the delete /unreserved command in the user view to delete outdated files.
Run the display this command in the interface view on the server or client to check the MTU value. If no value is displayed, the default value 1500 is used.
If the MTU exceeds the maximum value of the server or client, run the mtu command in the interface view to set the MTU to a smaller value. For details on the largest frame size supported by a device, see What Is the MTU of an Interface and What Is the Largest Frame Size Allowed on an Interface? in Interface Management in the FAQs.