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2025-09-25 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >
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The command to set the working mode of the network card under mii-tool:linux
Mii-tool-help
Usage: mii-tool [- VvRrwl] [- A media,... |-F media] [interface...]
-V,-- version display version information displays version information
-v,-- verbose more verbose output displays information about the network interface
-R,-- reset reset MII to poweron state resets MII to on
-r,-- restart restart autonegotiation restart autonegotiation mode
-w,-- watch monitor for link status changes to view changes in the status of network interface connections
-l,-- log with-w, write events to syslog writes events to the system log
-A,-- advertise=media,... Advertise only specified media directs specific network interfaces
-F,-- force=media force specified media technology changes the negotiation mode of network interface
Media: 1000baseTx-HD, 1000baseTx-FD
100baseT4, 100baseTx-FD, 100baseTx-HD
10baseT-FD, 10baseT-HD
(to advertise both HD and FD) 1000baseTx, 100baseTx, 10baseT change the working mode of the network card, enter the command:
[root@10.10.90.97] # mii-tool-f media [interface]
Media: 1000baseTx-HD, 1000baseTxFD FDD, 100baseTx-FD, 100BasTxMelody HDpr 10BasTlue FD, 10baseT-HD
Interface: represents the selected network card, such as eth0,eth2. Default is eth2 instance 1: view the working mode of the network card.
[root@10.10.90.97] # mii-tool-v eth0
Eth0: negotiated 1000baseT-FD flow-control, link ok
Product info: vendor 00:50:ef, model 60 rev 8
Basic mode: autonegotiation enabled
Basic status: autonegotiation complete, link ok
Capabilities: 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
Advertising: 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
Link partner: 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
The above shows that the network card works in 1000m full-duplex adaptive mode, and "1000basetx-fd" means 1000m full duplex instance 2: set the network card to work in 100m half-duplex mode
[root@10.10.90.97 ~] # mii-tool-f 100baset-hd eth0 instance 3: restore the adaptive working mode of the network card
[root@10.10.90.97] # mii-tool-r eth0
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