show usb controllers
show usb controllers
To display USB host controller information, use the show usb controllers command in privileged EXEC mode.
show usb controllers [controller-number]
Syntax Description |
| (Optional) Displays information only for the specified controller. | |
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Defaults |
| Information about all controllers on the system are displayed. | |
Command Modes
Command History
Privileged EXEC
Release | Modification |
12.3(14)T | This command was introduced. |
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12.4(11)T | This command was integrated into the Cisco 7200VXR |
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Usage Guidelines | Use the show usb controllers command to display content such as controller register specific | ||||
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| information, current asynchronous buffer addresses, and period scheduling information. You can also | |||
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| use this command to verify that copy operations are occurring successfully onto a USB flash module. | |||
| The following example is sample output from the show usb controllers command: | ||||
Examples | |||||
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| Router# show usb controllers | |||
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| Name:1362HCD | |||
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| Controller ID:1 | |||
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| Controller Specific Information: | |||
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| Revision:0x11 | |||
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| Control:0x80 | |||
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| Command Status:0x0 | |||
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| Hardware Interrupt Status:0x24 | |||
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| Hardware Interrupt Enable:0x80000040 | |||
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| Hardware Interrupt Disable:0x80000040 | |||
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| Frame Interval:0x27782EDF | |||
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| Frame Remaining:0x13C1 | |||
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| Frame Number:0xDA4C | |||
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| LSThreshold:0x628 | |||
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| RhDescriptorA:0x19000202 | |||
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| RhDescriptorB:0x0 | |||
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| RhStatus:0x0 | |||
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| RhPort1Status:0x100103 | |||
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| RhPort2Status:0x100303 | |||
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| Hardware Configuration:0x3029 | |||
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| DMA Configuration:0x0 | |||
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| Transfer Counter:0x1 | |||
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| Interrupt:0x9 | |||
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| Cisco IOS Configuration Fundamentals Command Reference |
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| July 2008 |
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