nddctl Command
Purpose
Issues commands to network device drivers (NDDs).
Syntax
nddctl { -r } Device
Description
The nddctl command allows the user to control an NDD device at runtime (that is, without having to reconfigure the device driver, which usually entails disruption to the network connection).
Flags
| Item | Description |
|---|---|
| -r | Forces the NDD device to renegotiate its link
attributes (speed and duplexity) at runtime. Note: Forcing link renegotiation
entails resetting the device; this might cause a loss of network connectivity,
lasting a few seconds, while the device re-initializes itself.
|
Parameters
| Item | Description |
|---|---|
| Device | Specifies the NDD device on which to perform the specified command. |
Exit Status
| Item | Description |
|---|---|
| 0 | The command completed successfully. |
| >0 | An error occurred. |
Examples
- To force the device
ent0to renegotiate its link attributes at runtime, type:nddctl -r ent0
Location
/usr/sbin