Áõ»ó) eth1 ÀåÄ¡°¡ ÀæÀº Down
# ethtool eth0
Settings for eth0:
Supported ports: [ FIBRE ]
Supported link modes: 10000baseT/Full
Supported pause frame use: No
Supports auto-negotiation: No
Advertised link modes: 10000baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: No
Speed: 10000Mb/s
Duplex: Full
Port: FIBRE
PHYAD: 0
Transceiver: external
Auto-negotiation: off
Supports Wake-on: d
Wake-on: d
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes
# ethtool eth1
Settings for eth1:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Half 1000baseT/Full
Supported pause frame use: No
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: Symmetric Receive-only
Advertised auto-negotiation: Yes
Link partner advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Half 1000baseT/Full
Link partner advertised pause frame use: No
Link partner advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: MII
PHYAD: 0
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000033 (51)
drv probe ifdown ifup
Link detected: yes
# mii-tool eth1
eth1: negotiated 1000baseT-FD flow-control, link ok
speed 1000 ¼³Á¤Àû¿ëÀÌ ¾ÈµÊ
# ethtool -s eth1 speed 1000 duplex full autoneg off
Cannot set new settings: Invalid argument
not setting speed
not setting duplex
not setting autoneg
# ethtool -s eth1 speed 100 duplex full autoneg off
# dmesg -T
......................
[¼ö 11¿ù 28 09:20:57 2018] r8169 0000:18:00.0 eth1: link down
[¼ö 11¿ù 28 09:21:00 2018] r8169 0000:18:00.0 eth1: link up
[¼ö 11¿ù 28 09:22:30 2018] r8169 0000:18:00.0 eth1: link up
# ethtool eth1
Settings for eth1:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Half 1000baseT/Full
Supported pause frame use: No
Supports auto-negotiation: Yes
Advertised link modes: Not reported
Advertised pause frame use: No
Advertised auto-negotiation: No
Speed: 100Mb/s
Duplex: Full
Port: MII
PHYAD: 0
Transceiver: internal
Auto-negotiation: off
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000033 (51)
drv probe ifdown ifup
Link detected: yes
¡Ø ÁÖÀÇ
# ethtool -s eth0 autoneg off
½ºÇǵå¿Í duplex¸¦ °°ÀÌ ¼ÂÆÃÇÏÁö ¾Ê°í À§¿Í °°ÀÌ ¸í·É ³»¸®¸é, µå¶óÀ̹ö°¡ ÀÚµ¿À¸·Î ´Ù½Ã Auto NegotiationÀ» Enable ½ÃÄÑ ¹ö¸²
NIC CONFIG ¼³Á¤
........
ETHTOOL_OPTS="speed 100 duplex full autoneg off"
ethtool ¿Ü¿¡ modprobe ·Î e1000 µå¶óÀ̹ö¿¡ ´ëÇÑ ¿É¼ÇÀ» ¾Æ·¡¿Í °°Àº ÇüÅ·Π¼³Á¤ÇÒ ¼ö °¡ ÀÖ´Ù.
modprobe e1000 [<option>=<VAL1>,<VAL2>,...]
´ÙÀ½Àº Duplex ¸¦ 0 À¸·Î ¼³Á¤ÇÑ ¿¹ÀÌ´Ù.
# modprobe e1000 Duplex=0 (0=auto-negotiate, 1=half, 2=full)