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6 Sun GigabitEthernet PCI Adapter 1.0 Product Notes • August 1997
1000BASE-SX Link Characteristics (IEEE P802.3z
draft)
TABLE 2 has been updated to reflect changes in the latest draft from IEEE. TABLE 2
replaces Table B-1 in the Sun GigabitEthernet PCI Adapter User’s Guide
Configuring Driver Parameters
Two new capabilities have been added to the parameters you can change using the
ndd utility: nic_tracing and link_negotiation. The following procedure
reflects these changes and replaces the section by the same name in the Sun
GigabitEthernet PCI Adaper 1.0 User’s Guide.
▼ To Temporarily Change a Parameter
Use the ndd(1M) utility to temporarily change a parameter. This change is lost when
you reboot the system.
● To access the parameters you can change using ndd type the following command:
The system returns the following:
TABLE 2 1000BASE-SX Link Characteristics (IEEE P802.3z draft)
Description
62.5 Micron MMF 50 Micron MMF Unit
Operating Range
2 to 160 meters 2 to 550 meters m
# ndd /dev/vge '?'
?
stat_ticks (read and write)
send_max_coalesced_bds (read and write)
recv_max_coalesced_bds (read and write)
nic_tracing (read and write)
link_negotiation (read and write)
instance (read and write)