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Tuning for maximum performance – Sun Microsystems Gigabit Ethernet MMF/UTP Adapter User Manual

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Sun PCI-Express Dual Gigabit Ethernet MMF/UTP Adapter Installation and User’s Guide • June 2006

8. Run the dmesg command to see which devices the e1000 driver was mapped to:

9. Add the e1000 interfaces to the /etc/modules.conf file for 2.4 based kernels

and to /etc/modprobe.conf file for 2.6 based kernels.

10. Use the ethtool command to check the parameter configurations that apply to

the e1000 driver.

Tuning for Maximum Performance

The following tunings will improve the performance of the Sun 10-Gigabit Ethernet
device driver on a system running the Linux operating system.

# dmesg

divert: allocating divert_blk for eth3

e1000: eth3: e1000_probe: Intel(R) PRO/1000 Network Connection

e1000: eth2: e1000_watchdog: NIC Link is Up 1000 Mbps Full Duplex

e1000: eth3: e1000_watchdog: NIC Link is Up 1000 Mbps Full Duplex

alias eth2 e1000

alias eth3 e1000

# ethtool eth3

Settings for eth3:

Supported ports: [ FIBRE ]

Supported link modes: 1000baseT/Full

Supports auto-negotiation: Yes

Advertised link modes: 1000baseT/Full

Advertised auto-negotiation: Yes

Speed: 1000Mb/s

Duplex: Full

Port: FIBRE

PHYAD: 0

Transceiver: internal

Auto-negotiation: on

Supports Wake-on: umbg

Wake-on: g

Current message level: 0x00000007 (7)

Link detected: yes