更改Linux下网卡速度 |
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主要有以下4步骤: 1.linux中安装ethtool工具 sudo apt-get install ethtool2.查看网卡编号 ifconfig 显示如下: ens33: flags=4163 mtu 1500 ether 00:0c:29:de:8e:73 txqueuelen 1000 (Ethernet) RX packets 59157 bytes 4378916 (4.3 MB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 4540 bytes 392294 (392.2 KB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 enx00e04c36000e: flags=4163 mtu 1500 inet 192.168.1.10 netmask 255.255.255.0 broadcast 192.168.1.255 inet6 fe80::b641:d48e:8aad:b245 prefixlen 64 scopeid 0x20 ether 00:e0:4c:36:00:0e txqueuelen 1000 (Ethernet) RX packets 3355 bytes 509406 (509.4 KB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 3029 bytes 293971 (293.9 KB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73 mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10 loop txqueuelen 1000 (Local Loopback) RX packets 2691 bytes 231360 (231.3 KB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 2691 bytes 231360 (231.3 KB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0我的网卡有两个,分别是ens33、enx00e04c36000e: (不同电脑下linux中网卡不一样) 3.查看需要更改的网卡信息:我想查看的是enx00e04c36000e ethtool enx00e04c36000e Settings for enx00e04c36000e: Supported ports: [ TP MII ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full Supported pause frame use: No Supports auto-negotiation: Yes Supported FEC modes: Not reported Advertised link modes: Not reported Advertised pause frame use: No Advertised auto-negotiation: No Advertised FEC modes: Not reported Speed: 10Mb/s Duplex: Full Port: MII PHYAD: 32 Transceiver: internal Auto-negotiation: off Cannot get wake-on-lan settings: Operation not permitted Current message lev其中速度模式有四种 Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 4.更改自己需要的网卡速度 应项目需要我更改的是enx00e04c36000e的外接USB网卡设定为10M全双工 sudo ethtool -s enx00e04c36000e autoneg off speed 10 duplex full补充说明:ethtool使用 ethtool ethX //查询ethX网口基本设置 ethtool –h //显示ethtool的命令帮助(help) ethtool –i ethX //查询ethX网口的相关信息 ethtool –d ethX //查询ethX网口注册性信息 ethtool –r ethX //重置ethX网口到自适应模式 ethtool –S ethX //查询ethX网口收发包统计 ethtool –s ethX [speed 10|100|1000]/ //设置网口速率10/100/1000M [duplex half|full]/ //设置网口半/全双工 [autoneg on|off]/ //设置网口是否自协商 [port tp|aui|bnc|mii]/ //设置网口类型 完成 |
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