Re: [Qemu-discuss] No internet access from centos 7 minimal guest

[Mahmood]

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 
<address@hidden> wrote:



On 28 August 2017 at 18:28, Thomas Huth <address@hidden> 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