通过ifconfig查看网络信息,包括网卡名字和网络IP地址
[root@test01 ~]# ifconfig eth1: Link encap:Ethernet HWaddr 5C:B9:11:9A:83:5C inet 10.12.40.11 netmask 255.255.254.0 broadcast 10.12.41.255 inet6 fe80::6a91:d0ff:fe61:e582 prefixlen 64 scopeid 0x20<link> ether 68:91:d0:61:e5:82 txqueuelen 1000 (Ethernet) RX packets 9636141204 bytes 29168848204723 (26.5 TiB) RX errors 0 dropped 6065396 overruns 0 frame 0 TX packets 8620546768 bytes 3931743317602 (3.5 TiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 eth2: Link encap:Local Loopback ether d0:94:66:64:fe:43 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 device interrupt 18
通过ethtool工具查看该网卡网络的带宽,是千兆还是万兆(该网络带宽为服务器连接交换机的带宽,如果使用远程电脑连接该服务器,连接的带宽不是该命令查询的结果)
[root@test01 ~]# ethtool eth1 Settings for eth1: Supported ports: [ FIBRE ] Supported link modes: 10000baseT/Full Supported pause frame use: No Supports auto-negotiation: No Advertised link modes: 10000baseT/Full Advertised pause frame use: No Advertised auto-negotiation: No Speed: 10000Mb/s ## -- 10000Mb/s 为万兆网络 Duplex: Full Port: FIBRE PHYAD: 0 Transceiver: external Auto-negotiation: off Supports Wake-on: d Wake-on: d Current message level: 0x00000007 (7)
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