Adapter Driver Parameters

Parameter

Meaning

 

If link negotiation is on, a value of 1 allows the

 

adapter to negotiate 802.3x transmit flow control

 

with the device at the other end of the link. If

tx_flow_control

802.3x flow control is supported by the other

 

device, transmit pause packets will be respected. A

 

value of 0 disables transmit flow control. The

 

default is 0 (off).

hybrid_len

(Do not use; value is set by startup file)

shared_rupt

(Do not use; value is set by startup file)

snap

(Do not use; value is set by startup file)

 

Used to set the device number from which the

instance

previous data is extracted. This value can range

from 0 to the number of adapters installed in the

 

 

system. The default is 0.

Table 8: Adapter Driver Parameters

Checking Parameter Settings

To check a current parameter setting, use the following command:

#ndd /dev/alt <parameter_name>

Setting Parameters

Follow this procedure to set parameters using the ndd utility:

1.Check the /etc/path_to_inst file for the instance associated with particular devices.

2.Specify the instance for the adapter you wish to configure:

#ndd -set /dev/alt instance <instance#>

Any subsequent ndd configuration commands will act on the adapter with the selected instance. The adapter remains selected until you specify a different instance.

3.Specify the configuration command using the following format:

#ndd -set /dev/alt<parameter> <value>

A list of valid parameters and values can be found in Available Parameters.

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