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.. _information:
***********
Information
***********
VyOS features a rich set of operational level commands to retrieve arbitrary
information about your running system.
########
Hardware
########
.. _hardware_usb:
USB
===
In the past serial interface have been defined as ttySx and ttyUSBx where x was
an instance number of the serial interface. It was discovered that from system
boot to system boot the mapping of USB based serial interfaces will differ,
depending which driver was loaded first by the operating system. This will become
rather painful if you not only have serial interfaces for a console server
connected but in addition also a serial backed :ref:`wwan-interface`.
To overcome this issue and the fact that in almost 50% of all cheap USB to serial
converters there is no serial number programmed, the USB to serial interface is
now directly identified by the USB root bridge and bus it connects to. This
somehow mimics the new network interface definitions we see in recend Linux
distributions.
For additional details you can refer to https://phabricator.vyos.net/T2490.
.. opcmd:: show hardware usb
Retrieve a tree like representation of all connected USB devices.
.. note:: If a device is unplugged and re-plugged it will receive a new
Port, Dev, If identification.
.. code-block:: none
vyos@vyos:~$ show hardware usb
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 3: Dev 4, If 0, Class=Vendor Specific Class, Driver=qcserial, 480M
|__ Port 3: Dev 4, If 2, Class=Vendor Specific Class, Driver=qcserial, 480M
|__ Port 3: Dev 4, If 3, Class=Vendor Specific Class, Driver=qcserial, 480M
|__ Port 3: Dev 4, If 8, Class=Vendor Specific Class, Driver=qmi_wwan, 480M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 5000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Vendor Specific Class, Driver=pl2303, 12M
|__ Port 2: Dev 3, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 4: Dev 5, If 2, Class=Vendor Specific Class, Driver=ftdi_sio, 480M
|__ Port 4: Dev 5, If 0, Class=Vendor Specific Class, Driver=ftdi_sio, 480M
|__ Port 4: Dev 5, If 3, Class=Vendor Specific Class, Driver=ftdi_sio, 480M
|__ Port 4: Dev 5, If 1, Class=Vendor Specific Class, Driver=ftdi_sio, 480M
|__ Port 3: Dev 4, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 3: Dev 6, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 4: Dev 8, If 2, Class=Vendor Specific Class, Driver=ftdi_sio, 480M
|__ Port 4: Dev 8, If 0, Class=Vendor Specific Class, Driver=ftdi_sio, 480M
|__ Port 4: Dev 8, If 3, Class=Vendor Specific Class, Driver=ftdi_sio, 480M
|__ Port 4: Dev 8, If 1, Class=Vendor Specific Class, Driver=ftdi_sio, 480M
|__ Port 4: Dev 7, If 3, Class=Vendor Specific Class, Driver=ftdi_sio, 480M
|__ Port 4: Dev 7, If 1, Class=Vendor Specific Class, Driver=ftdi_sio, 480M
|__ Port 4: Dev 7, If 2, Class=Vendor Specific Class, Driver=ftdi_sio, 480M
|__ Port 4: Dev 7, If 0, Class=Vendor Specific Class, Driver=ftdi_sio, 480M
.. opcmd:: show hardware usb serial
Retrieve a list and description of all connected USB serial devices. The device name
displayed, e.g. `usb0b2.4p1.0` can be directly used when accessing the serial console
as console-server device.
.. code-block:: none
vyos@vyos$ show hardware usb serial
Device Model Vendor
------ ------ ------
usb0b1.3p1.0 MC7710 Sierra Wireless, Inc.
usb0b1.3p1.2 MC7710 Sierra Wireless, Inc.
usb0b1.3p1.3 MC7710 Sierra Wireless, Inc.
usb0b1p1.0 USB-Serial_Controller_D Prolific Technology, Inc.
usb0b2.3.3.4p1.0 Quad_RS232-HS Future Technology Devices International, Ltd
usb0b2.3.3.4p1.1 Quad_RS232-HS Future Technology Devices International, Ltd
usb0b2.3.3.4p1.2 Quad_RS232-HS Future Technology Devices International, Ltd
usb0b2.3.3.4p1.3 Quad_RS232-HS Future Technology Devices International, Ltd
usb0b2.3.4p1.0 Quad_RS232-HS Future Technology Devices International, Ltd
usb0b2.3.4p1.1 Quad_RS232-HS Future Technology Devices International, Ltd
usb0b2.3.4p1.2 Quad_RS232-HS Future Technology Devices International, Ltd
usb0b2.3.4p1.3 Quad_RS232-HS Future Technology Devices International, Ltd
usb0b2.4p1.0 Quad_RS232-HS Future Technology Devices International, Ltd
usb0b2.4p1.1 Quad_RS232-HS Future Technology Devices International, Ltd
usb0b2.4p1.2 Quad_RS232-HS Future Technology Devices International, Ltd
usb0b2.4p1.3 Quad_RS232-HS Future Technology Devices International, Ltd
|
