VirtualBox Host problem

[Christopher Bianchi]

i can't ping :-/
yea, it's not a problem of dns...from the HOST OS, i can navigate and
communicate...but not ping !!
why this strange thing ?
my /etc/network/interfaces is right ?


On Sat, 2008-10-04 at 08:35 -0600, Karl Larsen wrote:
> Christopher Bianchi wrote:
> > hello ! i've correctly set up Ubuntu Server as guest on last version of
> > Sun Virtualbox (directly from repository virtualbox).
> >
> > Only a problem:
> > from the host system, a Ubuntu 8.04 hardy (not server edition, with
> > guy), i can navigate, communicate to all, but i can't do only a thing:
> > ping outside from lan. 
> >
> > i'll show you:
> >
> > ienabellamy at charlotte:~$ ping www.google.it
> > PING www.l.google.com (74.125.39.104) 56(84) bytes of data.
> >
> > --- www.l.google.com ping statistics ---
> > 10 packets transmitted, 0 received, 100% packet loss, time 9009ms
> >
> > So, the portforwarding (for bittorrent, emule etc...) for the HOST os,
> > NOT WORKS. So, the portforwarding (server web, ssh, etc..) for the GUEST
> > os, WORKS.
> >
> > My /etc/network/interfaces is this:
> >
> > #LOOPBACK INTERFACE
> > auto lo
> > iface lo inet loopback
> >
> > #eth0 INTERFACE
> > auto eth0
> > iface eth0 inet manual 
> >
> > #vbox0 INTERFACE
> > auto vbox0
> > iface vbox0 inet manual
> >     tunctl_user ienabellamy
> >
> > #br0 INTERFACE
> > auto br0
> > iface br0 inet static
> >     post-up chmod 666 /dev/net/tun
> >     post-ip tunctl -t vbox0 -u ienabellamy
> >     address 192.168.1.10
> >     netmask 255.255.255.0
> >     broadcast 192.168.1.255
> >     gateway 192.168.1.1
> >     bridge-ports eth0 vbox0
> >     bridge-ageing 7200
> >     bridge-fd 0
> >
> > Host and guest MUST use a static ip as you can see.
> >
> > Anyone helps would be appreciate!
> >
> >
> >   
>     Chances are good that your computer can't see a dns so it can't 
> figure out the IP address of things. Try this:
> 
> ping 206.190.60.37
> 
> and see if it works. This is the ip for yahoo.com :-)
> 
> If it fails you have a networking problem.
> 
> Karl
> 
> 
> -- 
> 
> 	Karl F. Larsen, AKA K5DI
> 	Linux User
> 	#450462   http://counter.li.org.
>    PGP 4208 4D6E 595F 22B9 FF1C  ECB6 4A3C 2C54 FE23 53A7
> 
>