Create multiple virtual NICs in linux

Linux to create multiple virtual network card due to business needs, to establish multiple virtual network card on a single physical network card, the operation is as follows cd/etc/sysconfig/network-scripts/# enter the network card directory cpifcfg-eth0ifcfg-eth0: 1 # Copy the ifcfg-eth0: 1 virtual network card vi... to create multiple virtual NICs in linux, you must create multiple virtual NICs on a single physical NIC due to business needs, the operation is as follows cd/etc/sysconfig/network-scripts/# enter the Nic directory cp ifcfg-eth0 ifcfg-eth0: 1 # Copy the ifcfg-eth0: 1 Virtual NIC vi ifcfg-eth0: 1 # configure the ifcfg-eth0: 1 virtual network card =================================================== ======= DEVICE = "eth0: 1 "# modify the name BOOTPROTO = noneNM_CONTROLLED =" yes "ONBOOT = yesTYPE =" Ethernet "UUID =" guest "HWADDR = 00: 0C: 29: 7B: 2A: EBIPADDR = 192.168.1.89 # modify IPPREFIX = 24 GATEWAY = 192.168.1.1DNS1 = 192.168.1.1DOMAIN = 192.168.1.1DEFROUTE = yesIPV4_FAILURE_FATAL = yesIPV6INIT = noNAME = eth0: 1 # modify the name ==================================================== ========: wq # save and quit reboot # restart the machine. after testing, the restart command of the service network restart Nic does not take effect for the new virtual network card, so restart the computer