Làm cách nào để kiểm tra xem eth0có tốc độ kết nối 10Mbit, 100Mbit hay 1Gbit không? Tôi đã thử ethtool, nhưng nó nói No data available. Tôi cũng đã thử dmesg | grep -i duplexvà nó trống rỗng.
[root@dioptase ~]# lspci
00:0a.0 Ethernet controller: Digital Equipment Corporation DECchip 21140 [FasterNet] (rev 20)
[root@dioptase ~]# ethtool eth0
Settings for eth0:
No data available
[root@dioptase ~]# ethtool -i eth0
driver: tulip
version: 1.1.15
firmware-version:
bus-info: 0000:00:0a.0
[root@dioptase ~]# ifconfig eth0
eth0      Link encap:Ethernet  HWaddr 00:15:5D:6F:1E:09
          inet addr:192.168.140.106  Bcast:192.168.140.255  Mask:255.255.255.0
          inet6 addr: 2a00:1120:0:1002:215:5dff:fe6f:1e09/64 Scope:Global
          inet6 addr: fe80::215:5dff:fe6f:1e09/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:95671897 errors:6 dropped:0 overruns:0 frame:6
          TX packets:16524440 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:23933711964 (22.2 GiB)  TX bytes:19761966217 (18.4 GiB)
          Interrupt:9 Base address:0xe000