Sun Microsystems none manual Reporting the Link Partner Capabilities

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Table 3-7Read-Only Transceiver Capabilities

Parameter

Values

Description

100hdx_cap

 

Local transceiver capability of the

 

 

hardware; initialized at startup

 

0

= Not 100Mbit/sec half-duplex capable

 

1

= 100Mbit/sec half-duplex capable

 

 

 

10fdx_cap

 

Local transceiver capability of the

 

 

hardware; initialized at startup

 

0

= Not 10Mbit/sec full-duplex capable

 

1

= 10Mbit/sec full-duplex capable

 

 

 

10hdx_cap

 

Local transceiver capability of the

 

 

hardware; initialized at startup

 

0

= Not 10Mbit/sec half-duplex capable

 

1

= 10Mbit/sec half-duplex capable

 

 

 

The parameters in Table 3-7 define the capabilities of the hardware. The internal transceiver can support all of these capabilities. The capabilities of the external transceiver are dependent on the device. If the external transceiver is not capable of auto-negotiation but has the capability of all speeds and modes (100 Mbps, 10 Mbps, half-duplex, and full-duplex), you must determine the capabilities of the external transceiver.

Reporting the Link Partner Capabilities

Table 3-8 describes the read-only link partner capabilities.

Table 3-8Read-Only Link Partner Capabilities

Parameter

Values

Description

lp_autoneg_cap

0

= No auto-negotiation

 

1

= Auto-negotiation

lp_100T4_cap

0

= No 100BASE-T4

 

1

= 100BASE-T4

lp_100fdx_cap

0

= No100Mbit/sec full-duplex transmission

 

1

= 100Mbit/sec full-duplex

 

 

 

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Platform Notes: The hme Fast Ethernet Device DriverMay 1996

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Contents PlatformNotesThehmeFast Ethernet Device Driver Please Recycle Page Page Contents Setting Parameters Contents Vii Viii Introduction to the hme Fast Ethernet Device Driver Related DocumentationTypographic Conventions Describes the typographic conventions used in this bookShell Prompts in Command Examples Ordering Sun DocumentsSun Welcomes Your Comments Hme Device Driver Hardware OverviewOperating Speeds and Modes Auto-NegotiationInternal Transceiver External TransceiverPlatform Notes The hme Fast Ethernet Device Driver-May Parameter Definitions Driver Parameter Values and DefinitionsRead only Local transceiver auto negotiation Capability Defining the Current Status Inter-Packet Gap ParametersLancemode Operational Mode Parameters Defines the lancemode and ipg0 parametersSelecting the Internal or External Transceiver Defining the Number of Back-to-Back Packets To Transmit Reporting Transceiver CapabilitiesReporting the Link Partner Capabilities Describes the read-only link partner capabilities= No 100Mbit/sec half-duplex transmission Platform Notes The hme Fast Ethernet Device Driver-May Setting Parameters Parameter OptionsSetting Parameters Using ndd Identifying Device InstancesTo specify the device instance for the ndd utility Non-Interactive and Interactive Modes To modify a parameter valueTo modify a parameter value in interactive mode To display the value of a parameterTo list all the parameters supported by the hme driver Refer to -1 through 3-8 for parameter descriptionsSetting Forced Mode To set the mode to auto-negotiationSetting Parameters in the /etc/system File Configuring TCP/IP for Maximum PerformanceTo 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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