Configure the KVM server to enable the VM to communicate with other hosts on the LAN
Initial Exploration of KVM Virtualization
Environment
Operating System: CentOS 6.7 64-bit graphical interface
Configuration
KVM virtualization requires support from Intel VT or AMD-V technology. You can use the following command to determine whether the local CPU supports the above two Virtualization Technologies:
Egrep '(vmx | svm)'/proc/cpuinfo
If the CPU supports virtualization technology, you should enable the virtualization function of the CPU in the BIOS before deploying virtualization.
Install related virtualization components:
Yum-y groupinstall "Virtualization" "Virtualization Client" "Virtualization Platform" "Virtualization Tools"
Start and enable the libmongod service to automatically start with startup:
Service libmongod start
Chkconfig libmongod on
Start the graphic management interface:
Virt-manager
Configuration
Vi/etc/sysconfig/network-scripts/ifcfg-br0
DEVICE = "br0"
TYPE = "Bridge"
ONBOOT = "yes"
NM_CONTROLLED = "no"
BOOTPROTO = "static"
IPADDR = "192.168.1.2" # modify this option based on your actual situation.
NETMASK = "255.255.255.0" # modify this option based on your actual situation.
GATEWAY = "192.168.1.1" # modify this option based on your actual situation.
Vi/etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE = "eth0"
TYPE = "Ethernet"
HWADDR = "10: BF: 48: 4C: 4A: 62" # modify this option based on your actual situation.
NM_CONTROLLED = "no"
ONBOOT = "yes"
BRIDGE = "br0"
# Enable route forwarding.
Sed-I '/^ net \. ipv4 \. ip_forward/s/=. */= 1/'/etc/sysctl. conf
Echo 1>/proc/sys/net/ipv4/ip_forward
# Restart the system after modification.
Init 6
When creating a VM, select br0 as the network type:
If you have already created a virtual machine, you can modify it as shown in:
After setting, you can configure the Virtual Machine Nic to the same IP address as the physical machine.
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