On Wed, 2005-05-18 at 10:31 +0800, Matt Kemner wrote:
> On Wed, 18 May 2005, quoth Ryan:
>
> > Do I need to create the /dev/net/tun device with chnod or something,
>
> Yes, if you don't have a /dev/net/tun you will need to create it
> mknod /dev/net/tun c 10 200
>
> > or
> > do I really need to recompile a kernel with the tun module in it to use
> > on the host system (unfortunately not an option at present) ?
>
> And yes, you do need tun/tap support in your host's kernel (either
> directly or via a module)
Okay, I've had a change of circumstance and was able to dodgy up a
module on the host:
Module Size Used by Not tainted
tun 4448 2
I've set up the tap1 interface on the host:
tap1 Link encap:Ethernet HWaddr 00:FF:53:17:46:6D
inet addr:192.168.0.19 Bcast:192.168.0.255
Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
I then start my UML:
linux ubd0=Debian-3.0r2.ext2 con=pts con0=fd:0,fd:1 eth0=tuntap,tap1
Then from the UML I get errors when I try to setup the interface, for
example:
(none):~# ifconfig eth0 up
SIOCSIFFLAGS: Interrupted system call
Sometimes it will dish back the SIOCSIFFLAGS line instantly, other times
it will hang indefinitely until I ctrl-C and then it will show it.
What am I missing here?
Ryan
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