KVM guest unable to ping and access internet from the Physical host machine

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http://www.linuxquestions.org – Hello, I just installed a Centos VM over a physical machine. here is my scenario. Host machine name : Physical.example.com (CENTOS 6.3) dns: ( iptable / selinux all off) Guest machine name setup through KVM: server.example.com (CENTOS6.3) When I was setting this guest vm over KVM I chose DHCP and everything worked fine ,I was able to ping Physical.example.com and was able to access the wifi lan on it Until I changed the IP to on server.example.com everthing is mess I am unable to ping the physical.example.com and unable to access (HowTos)