如何查看网卡在半双工还是全双工

jhuangjiahua

:thank

smile787

dmesg

Snoopy

mii-tool -w

jhuangjiahua

1. 
   
2. 
   
3. jia@hua:~/tmp$ su -
   
4. Password:
   
5. hua:~# mii-tool
   
6. SIOCGMIIPHY on 'eth0' failed: Operation not supported
   
7. no MII interfaces found
   
8. hua:~# mii-tool -w
   
9. SIOCGMIIPHY on 'eth0' failed: Operation not supported
   
10. no MII interfaces found
    
11. hua:~#
    
12. hua:~#
    
13. hua:~# ethtool eth0
    
14. Settings for eth0:
    
15.         Supported ports: [ TP ]
    
16.         Supported link modes:   10baseT/Half 10baseT/Full
    
17.         Supports auto-negotiation: No
    
18.         Advertised link modes:  Not reported
    
19.         Advertised auto-negotiation: No
    
20.         Speed: 10Mb/s
    
21.         Duplex: Half
    
22.         Port: Twisted Pair
    
23.         PHYAD: 0
    
24.         Transceiver: internal
    
25.         Auto-negotiation: off
    
26.         Current message level: 0x00000002 (2)
    
27.         Link detected: yes
    
28. hua:~#
    
29. 
    
30. 
    

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这是什么意思

jhuangjiahua

我要如何打开全双工