Re: [Qemu-devel] usermode-networking problem

[Fabrice Bellard <fabrice@bellard.org>]

Hi,

ping is _not_ supported reliably in user mode network except to ping the 
local router.

Fabrice.

Adrian Smarzewski wrote:
> Hi,
> 
> QEmu 2.5.5 with usermode-networking compiled and turned on.
> Internet connection on host system (linux 2.6) works.
> on guest system (linux-test):
> 
> 
> sh-2.05b# ping -c 3 10.0.2.2
> PING 10.0.2.2 (10.0.2.2) 56(84) bytes of data.
> 64 bytes from 10.0.2.2: icmp_seq=1 ttl=255 time=3.16 ms
> 64 bytes from 10.0.2.2: icmp_seq=2 ttl=255 time=0.390 ms
> 64 bytes from 10.0.2.2: icmp_seq=3 ttl=255 time=0.333 ms
> 
> sh-2.05b# route
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use
> Iface
> 10.0.0.0        *               255.0.0.0       U     0      0        0 
> eth0
> default         10.0.2.2        0.0.0.0         UG    0      0        0 
> eth0
> 
> sh-2.05b# ping -c 3 212.77.100.101
> PING 212.77.100.101 (212.77.100.101) 56(84) bytes of data.
> 
> --- 212.77.100.101 ping statistics ---
> 3 packets transmitted, 0 received, 100% packet loss, time 2018ms
> 
> 
> I don't know why. Should I configure something on host os?
> 
>