Ubuntu 100M to 10M

How to modify the network card speed under Ubuntu--Change the 100M network adapter to 10M network card

The company's router may be older, the machine starts, the default network card is 100M, but login QQ often appear off the line phenomenon, later learned that the original need to reduce the 100M network card to 10M to normal use, sure enough, after the Thunderbird send and receive mail also swish,

[Email protected]:~$ sudo apt-get install Ethtool net-tools
/* Delete [email protected]:~$ sudo ethtool-s eth0 autoneg off//Otherwise the network will automatically disconnect, automatically restart the network card will regain 100M, so will not be able to modify 10M success, must be turned off automatically.
[Email protected]:~$ sudo ethtool-s eth0 speed ten duplex half
[Email protected]:~$ sudo service networking restart */
[Email protected]:~$ sudo ethtool-s eth0 speed ten duplex half Autoneg on


=============================================
[Email protected]:~$ sudo mii-tool eth0
eth0:negotiated 100basetx-fd, link ok

[Email protected]:~$ sudo ethtool eth0
Settings for eth0:
Supported ports: [TP MII]
Supported Link Modes:10baset/half 10baset/full
100baset/half 100baset/full
Supports Auto-negotiation:yes
Advertised Link Modes:10baset/half 10baset/full
100baset/half 100baset/full
Advertised Auto-negotiation:yes
speed:100mb/s
Duplex:full
Port:mii
Phyad:32
Transceiver:internal
Auto-negotiation:on
Supports WAKE-ON:PUMBG
Wake-on:d
Current Message level:0x00000007 (7)
Link Detected:yes

PS: If the network cabling problem caused by instability, then can only buy a router, from a stable station for export routing [luther.gliethttp])

Ubuntu 100M to 10M