Re: [uml-user] UML network to outside world

[Jimmy H. <jim...@so...>]

Hi,
Are you using wireless network-card on the host? Seems that you can't
have a wireless card in a bridge.

// Jimmy

On Fri, 2004-06-18 at 16:12, Erc Crahen wrote:
> --- ham...@t-... wrote:
> >=20
> > running 2.4 kernels, I set up networking following
> > the tuntap instructions, and got the UMLs
> > connected to the outside.
> > For this to work, it is important to enable
> > forwarding and proxy arp
>=20
> Hmm, I've setup the the tun/tap tunnel with no
> problem.
> I enabled arp_forwarding on the tap0 interface and
> ip_forwarding for the system.=20
>=20
> Nothing seems to get routed past my host machine.
>=20
> The bridge and tun modules are loaded and the tun
> device is in the right spot with the right perms. I'm
> running everything under the same uid at the moment -
> so ownership of the devices isn't a problem and the
> tunctl and brctl commands aren't failing. The simple
> stuff I ruled out :)
>=20
>=20
> Host side:
>=20
> brctl addbr br0
> ifconfig eth0 0.0.0.0 promisc up
> ifconfig tap0 0.0.0.0 promisc up
> ifconfig br0 192.168.0.10 netmask 255.255.255.0
> broadcast 192.168.0.255 up
> brctl stp br0 off
> brctl setfd br0 1
> brctl sethello br0 1
> brctl addif br0 eth0
> brctl addif br0 tap0
>=20
> route add -net 192.168.0.0 netmask 255.255.255.0 dev
> br0
> route add default gw 192.168.0.1 dev br0
>=20
> echo 1 > /proc/sys/net/ipv4/ip_forward
> echo 1 > /proc/sys/net/ipv4/conf/tap0/arp_filter
>=20
> UML Side:
>=20
> ifconfig eth0 192.168.0.20 netmask 255.255.255.0
> broadcast 192.168.0.255 up
>=20
> route add default gw 192.168.0.1 dev br0
>=20
>=20
> My host can still get to the outside world, and it can
> get to the UML machine. The UML machine only gets to
> the host. Am I missing something?
>=20
>=20
> 	=09
> __________________________________
> Do you Yahoo!?
> Yahoo! Mail - You care about security. So do we.
> http://promotions.yahoo.com/new_mail
>=20
>=20
> -------------------------------------------------------
> This SF.Net email is sponsored by The 2004 JavaOne(SM) Conference
> Learn from the experts at JavaOne(SM), Sun's Worldwide Java Developer
> Conference, June 28 - July 1 at the Moscone Center in San Francisco, CA
> REGISTER AND SAVE! http://java.sun.com/javaone/sf Priority Code NWMGYKN=
D
> _______________________________________________
> User-mode-linux-user mailing list
> Use...@li...
> https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
--=20
Jimmy Hedman                       South Pole AB
Phone:  +46 8 51420420             Gelbjutarv=E4gen 5
Fax:    +46 8 51420429             SE - 17148 Solna=20
e-mail: jim...@so...  www.southpole.se