Sun Microsystems none manual Operational Mode Parameters, Defines the lancemode and ipg0 parameters

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Table 3-4 defines the lance_mode and ipg0 parameters.

Table 3-4Parameters Defining lance_mode and ipg0

Parameter

Values

Description

lance_mode

0

lance_mode disabled

 

1

lance_mode enabled (default)

ipg0

0-311

Additional IPG before transmitting a

 

 

packet (after receiving a packet)

 

 

 

1.The default value is 16 nibble-times, which is 6.4 microseconds for 10 Mbps and 0.64 microseconds for 100 Mbps.

Operational Mode Parameters

 

 

Table 3-5 describes the operational mode parameters and their default values.

 

 

Table 3-5Operational Mode Parameters

 

 

 

Parameter

Values

Description

 

 

 

adv_autoneg_cap

 

Local transceiver capability advertised by the hardware

 

0

= Forced mode

 

1

= Auto-negotiation (default)

adv_100T4_cap1

 

Local transceiver capability advertised by the hardware; read/write parameter

 

0

= Not 100BASE-T4 capable

 

1

= 100BASE-T4 capable

adv_100fdx_cap1

 

Local transceiver capability advertised by the hardware; read/write parameter

 

0

= Not 100Mbit/sec full-duplex capable (default)

 

1

= 100Mbit/sec full-duplex capable

adv_100hdx_cap1

 

Local transceiver capability advertised by the hardware; read/write parameter

 

0

= Not 100Mbit/sec half-duplex capable

 

1

= 100Mbit/sec half-duplex capable (default)

 

 

 

Parameter Definitions

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Contents PlatformNotesThehmeFast Ethernet Device Driver Please Recycle Page Page Contents Setting Parameters Contents Vii Viii Related Documentation Introduction to the hme Fast Ethernet Device DriverDescribes the typographic conventions used in this book Typographic ConventionsOrdering Sun Documents Shell Prompts in Command ExamplesSun Welcomes Your Comments Hardware Overview Hme Device DriverAuto-Negotiation Operating Speeds and ModesExternal Transceiver Internal TransceiverPlatform Notes The hme Fast Ethernet Device Driver-May Driver Parameter Values and Definitions Parameter DefinitionsRead only Local transceiver auto negotiation Capability Inter-Packet Gap Parameters Defining the Current StatusLancemode Defines the lancemode and ipg0 parameters Operational Mode ParametersSelecting the Internal or External Transceiver Reporting Transceiver Capabilities Defining the Number of Back-to-Back Packets To TransmitDescribes the read-only link partner capabilities Reporting the Link Partner Capabilities= No 100Mbit/sec half-duplex transmission Platform Notes The hme Fast Ethernet Device Driver-May Parameter Options Setting ParametersSetting Parameters Using ndd Identifying Device InstancesTo specify the device instance for the ndd utility To modify a parameter value Non-Interactive and Interactive ModesTo display the value of a parameter To modify a parameter value in interactive modeRefer to -1 through 3-8 for parameter descriptions To list all the parameters supported by the hme driverTo set the mode to auto-negotiation Setting Forced ModeConfiguring TCP/IP for Maximum Performance Setting Parameters in the /etc/system FileTo benchmark the TCP/IP throughput To set the TCP hiwater marks for best performanceTo set the ipg1 to 10 and ipg2 to 5 when you reboot Setting Parameters Using the hme.conf File Specify name=hme and class=sbus

none specifications

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