I am setting up a simple home server, based on Ubuntu Server, to replace my aging NAS, and several services running on my workstations. I want the host to act as both KVM and file server (serving NFS to the network, as well as the guests). Each guest run one or a few dedicated services; LAMP etc.
I have installed KVM, and added a VM. I used virt-manager to configure the VM - and set up the network interface on eth0 as a bridge. It works fine - the guest gets an ip from my dhcp and all, but it cannot see/ping the host. The host, likewise cannot ping the guest, but both can be pinged from or ping other machines on the LAN.
I guess this is the issue: libvirt: Wiki: Guest can reach outside network, but can't reach host (macvtap)
But following the directions listed there does not solve my issue. The isolated interface shows up in the virt-manager config page for the guest - but I cannot ping the host on 192.168.254.1 or vice versa. Furthermore the isolated interface does not appear if I do a ifconfig on the guest, shouldn't it do that?
I am a Linux newbie (at least when it comes to servers and networking), so I am hoping to resolve my issue, as well as learn a bit. Thanks for your assistance!