我的 GbNIC(Intel 82579LM,内核 3.0 模块 e1000e)仅与 100mbit 连接,尽管它通过短(<3m)CAT6 电缆连接到 1000mbit 端口(Asus GigaX1005)。
flo-nbook ~ # ethtool eth0
Settings for eth0:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Speed: 100Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 2
Transceiver: internal
Auto-negotiation: on
MDI-X: on
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000001 (1)
drv
Link detected: yes
强制也没有效果:
ethtool -s eth0 speed 1000
这是内核模块中的已知错误吗?我错过了什么吗?或者与华硕交换机的互操作性问题?
答案1
根据华硕对该交换机的规格,其只能支持 100mbit。
http://www.asus.com/Networks/Wired_Routers_Switches/GigaX1005/#specifications
5 个 RJ-45 用于 10/100Mbps 以太网端口
另外,您不能将端口设置为 1000mbit,它必须自动协商。