Re: Emulator installation help needed

[John Heidemann <johnh@ISI.EDU>]

On Wed, 15 Sep 1999 12:25:17 CDT, "Sunila R. Ainapure" wrote: 
>I am having problems with running the ns emulator example script,
>'pingdemo.tcl' and, of course, any other emulator script.
>
>The steps I followed are as follows:
>
>1. Installed FreeBSD 2.2.8. (The NS docs say that the emulator was tested
>under 2.2.5.  2.2.8 was the closest version we could find.)  The machine has
>1 ethernet card.
>2. compiled ns and nse - ns works fine.
>3. made the necessary changes to the script like changing $myname and
>$myaddr to the IP address of the machine I am using and changed the
>interface $ifname to the ethernet card on the machine (ep0).
>
>I get the following errors when I try to execute the script
>(command : nse pingdemo.tcl)
>
>"pcap/live object (_o11) couldn't open packet source ep0: /dev/bf0:
>Devicee not configured
 ^^^^^^^^^^^^^^^^^^^^^^

Build a kernel with bpf (Berkely packet filter) devices.

   -John Heidemann