[ECOS] TAP device not created on running "ping_test"

Sergei Gavrikov sergei.gavrikov@gmail.com
Tue Jul 28 11:23:00 GMT 2009


On Tue, Jul 28, 2009 at 04:41:24PM +0530, Mandeep Sandhu wrote:
> > 1) run dhcp-server on tap0 (using separate terminal session) after that
> > when tap0 is configured and up. You will see its log messages on stderr
> > (-d -f options). Have you set INTERFACES variable?
> >
> > 2) run dhclient for tap0, again (using sepatare terminal session) again
> > do not forking (-d) and you should see then that dhcp server offers IP
> > and dhclient get it.
> 
> This is where I see a problem. When I ran dhclient on tap0 (_AFTER_
> configuring tap0
> with a valid static IP addr), I see that the IP addr of tap0 is unset
> first and then dhclient
> starts sending DHCP DISCOVER packets over it....
> 
> Did you observe similar behaviour in your machine too?

My sandbox is at home. I cannot confirm that. When I did bring up tap0 I
checked that it has 10.1.1.1 (ifconfig), then ran dhcp server on tap0
and then ran dhclient as a probe.

Sergei


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