Yes you are right. As I ping google.com, I see it finds the IP address but ping doesn't work. So, that mean network is fine.
Thank you very much Regards, Mahmood On Tuesday, August 29, 2017, 2:03:12 PM GMT+4:30, Peter Maydell <peter.mayd...@linaro.org> wrote: On 28 August 2017 at 18:28, Thomas Huth <th...@redhat.com> wrote: > On 28.08.2017 13:56, Mahmood wrote: >> Hi,I have installed a Centos 7 minimal installation with the following >> command >> qemu-system-x86_64 -m 4000 -smp 2 -hda centos7ser.img -boot c -usbdevice >> tablet -enable-kvm -device e1000,netdev=host_files -netdev >> user,net=10.0.2.0/24,id=host_files,restrict=off >> Inside the guest, I see this network information >> # ip addr show1: lo: ..... >> 2: ens3:<BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP >> qlen 1000 link/ether 52:54:00:12:34:56 brd ff:ff:ff:ff:ff:ff inet >> 10.0.2.15/24 brd 10.0.2.255 scope global dynamic ens3 valid_lft >> 86147sec preferred_lft 86147sex inet6 fe80::25fb:513b:9b8b:3cd8/64 scope >> link valid_lft forever preferred_lft forever >> >> However, the ping to 8.8.8.8 doesn't work.Did I miss anything in the >> configuration? > > ICMP (i.e. ping) normally does not work with "-netdev user". You either > have to use tap networking or you've got to work around this problem > like it is described here: ...or just don't worry about the fact that ping doesn't work. TCP and UDP will be fine, and there aren't many situations where the guest really needs ping. thanks -- PMM
