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NAME

ethtool - Display or change ethernet card settings
 

SYNOPSIS

ethtool -h|--help

ethtool -a|--show-pause ethX

ethtool -A|--pause ethX [autoneg on|off] [rx on|off] [tx on|off]

ethtool -c|--show-coalesce ethX

ethtool -C|--coalesce ethX [adaptive-rx on|off] [adaptive-tx on|off] [rx-usecs N] [rx-frames N] [rx-usecs-irq N] [rx-frames-irq N] [tx-usecs N] [tx-frames N] [tx-usecs-irq N] [tx-frames-irq N] [stats-block-usecs N] [pkt-rate-low N] [rx-usecs-low N] [rx-frames-low N] [tx-usecs-low N] [tx-frames-low N] [pkt-rate-high N] [rx-usecs-high N] [rx-frames-high N] [tx-usecs-high N] [tx-frames-high N] [sample-interval N]

ethtool -g|--show-ring ethX

ethtool -G|--set-ring ethX [rx N] [rx-mini N] [rx-jumbo N] [tx N]

ethtool -i|--driver ethX

ethtool -d|--register-dump ethX [raw on|off]

ethtool -e|--eeprom-dump ethX [raw on|off] [offset N] [length N]

ethtool -E|--change-eeprom ethX [magic N] [offset N] [value N]

ethtool -k|--show-offload ethX

ethtool -K--offload ethX [rx on|off] [tx on|off] [sg on|off] [tso on|off] [ufo on|off] [gso on|off]

ethtool -p|--blink ethX [N]

ethtool -r|--negotiate ethX

ethtool -S|--statistics ethX

ethtool -t|--test ethX [offline|online]

ethtool -s ethX [speed 10|100|1000] [duplex half|full] [port tp|aui|bnc|mii] [autoneg on|off] [phyad N] [xcvr internal|external] [wol p|u|m|b|a|g|s|d...] [sopass xx:yy:zz:aa:bb:cc] [msglvl N]  

DESCRIPTION

ethX is the name of the ethernet device to work on.

OPTIONS

-h --help

shows a short help message.

-a --show-pause

queries the specified ethernet device for pause parameter information.

-A --pause

change the pause parameters of the specified ethernet device.

autoneg on|off

Specify if pause autonegotiation is enabled.

rx on|off

Specify if RX pause is enabled.

tx on|off

Specify if TX pause is enabled.

-c --show-coalesce

queries the specified ethernet device for coalescing information.

-C --coalesce

change the coalescing settings of the specified ethernet device.

-g --show-ring

queries the specified ethernet device for rx/tx ring parameter information.

-G --set-ring

change the rx/tx ring parameters of the specified ethernet device.

rx N

Change number of ring entries for the Rx ring.

rx-mini N

Change number of ring entries for the Rx Mini ring.

rx-jumbo N

Change number of ring entries for the Rx Jumbo ring.

tx N

Change number of ring entries for the Tx ring.

-i --driver

queries the specified ethernet device for associated driver information.

-d --register-dump

retrieves and prints a register dump for the specified ethernet device. When raw is enabled, then it dumps the raw register data to stdout.

-e --eeprom-dump

retrieves and prints an EEPROM dump for the specified ethernet device. When raw is enabled, then it dumps the raw EEPROM data to stdout. The length and offset parameters allow dumping certain portions of the EEPROM. Default is to dump the entire EEPROM.

-E --change-eeprom

Changes EEPROM byte for the specified ethernet device. offset and value specify which byte and it's new value. Because of the persistent nature of writing to the EEPROM, a device-specific magic key must be specified to prevent the accidental writing to the EEPROM.

-k --show-offload

queries the specified ethernet device for offload information.

-K --offload

change the offload parameters of the specified ethernet device.

rx on|off

Specify if RX checksumming is enabled.

tx on|off

Specify if TX checksumming is enabled.

sg on|off

Specify if scatter-gather is enabled.

tso on|off

Specify if tcp segmentation offload is enabled.

ufo on|off

Specify if UDP fragmentation offload is enabled

gso on|off

Specify if generic segmentation offload is enabled

-p --identify

initiates adapter-specific action intended to enable an operator to easily identify the adapter by sight. Typically this involves blinking one or more LEDs on the specific ethernet port.

N

Length of time to perform phys-id, in seconds.

-r --negotiate

restarts auto-negotiation on the specified ethernet device, if auto-negotiation is enabled.

-S --statistics

queries the specified ethernet device for NIC- and driver-specific statistics.

-t --test

executes adapter selftest on the specified ethernet device. Possible test modes are:

offline|online

defines test type: offline (default) means to perform full set of tests possibly causing normal operation interruption during the tests, online means to perform limited set of tests do not interrupting normal adapter operation.

-s --change

option allows changing some or all settings of the specified ethernet device. All following options only apply if -s was specified.

speed 10|100|1000

Set speed in Mb/s. ethtool with single argument will show you the supported device speeds.

duplex half|full

Set full or half duplex mode.

port tp|aui|bnc|mii

Select device port.

autoneg on|off

Specify if autonegotiation is enabled. In the usual case it is, but might cause some problems with some network devices, so you can turn it off.

phyad N

PHY address.

xcvr internal|external

Select transceiver type. Currently only internal and external can be specified, in the future further types might be added.

wol p|u|m|b|a|g|s|d...

Set Wake-on-LAN options. Not all devices support this. The argument to this option is a string of characters specifying which options to enable.

p

Wake on phy activity

u

Wake on unicast messages

m

Wake on multicast messages

b

Wake on broadcast messages

a

Wake on ARP

g

Wake on MagicPacket(tm)

s

Enable SecureOn(tm) password for MagicPacket(tm)

d

Disable (wake on nothing). This option clears all previous options.

sopass xx:yy:zz:aa:bb:cc

Set the SecureOn(tm) password. The argument to this option must be 6 bytes in ethernet MAC hex format (xx:yy:zz:aa:bb:cc).

msglvl N

Set the driver message level. Meanings differ per driver.

BUGS

AUTHOR

Modifications by Jeff Garzik, Tim Hockin, Jakub Jelinek, Andre Majorel, Eli Kupermann, Scott Feldman, Andi Kleen.  

AVAILABILITY

Index

NAME

SYNOPSIS

DESCRIPTION

OPTIONS

BUGS

AUTHOR

AVAILABILITY

Партнёры:

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