| Main index | Section 4 | Options |
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
if_cdceem_load="YES"
The driver works on both host, and device-side; see usb_template(4) for details.
The USB device appears as a regular network interface on both sides, transporting Ethernet frames.
For more information on configuring this device, see ifconfig(8).
The cdceem driver does not support different media types or options.
| hw.usb.cdceem.debug | |
| Verbosity level for log messages from the cdceem driver. Set to 0 to disable logging or 1 to warn about potential problems. Larger values enable debugging output. Defaults to 1. | |
| hw.usb.cdceem.send_echoes | |
| If set to 1, the driver will send an Echo EEM packet when the interface is brought up. While responding to Echo is mandatory, some devices cannot handle it. Only use for debugging. Defaults to 0. | |
| hw.usb.cdceem.send_fake_crc | |
| If set to 1, the driver will use 0xdeadbeef as the CRC value for outgoing Data EEM packets. Only use for debugging. Defaults to 0. | |
Universal Serial Bus Communications Class Subclass Specification for Ethernet Emulation Model Devices,
| CDCEEM (4) | August 7, 2019 |
| Main index | Section 4 | Options |
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