新老方式

1.

linux老方式查看ip地址

/sbin/ifconfig

linux新方式查看ip地址

/sbin/ip addr

 新方式更准确

2

老方式查看网卡

[root@cncln auto]# /sbin/mii-tool eth1
eth1: negotiated 100baseTx-FD, link ok

新方式查看网卡

[root@cncln auto]# /sbin/ethtool eht1
Settings for eht1:
Cannot get device settings: No such device
Cannot get wake-on-lan settings: No such device
Cannot get message level: No such device
Cannot get link status: No such device
No data available

 新方式更准确

 

3.查看路由

老方式

[root@cncln auto]# netstat -rn
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
172.16.30.50    172.16.32.1     255.255.255.255 UGH       0 0          0 eth1

172.16.153.63   172.16.32.1     255.255.255.255 UGH       0 0          0 eth1
172.16.153.64   172.16.32.1     255.255.255.255 UGH       0 0          0 eth1
新方式

[root@cncln auto]# /sbin/ip route show
172.16.30.50 via 172.16.32.1 dev eth1
172.16.153.63 via 172.16.32.1 dev eth1
172.16.153.64 via 172.16.32.1 dev eth1