Re: [Testbed-admins] NetFPGA Instructions

["David A. Kotz" <dkotz@cs.utexas.edu>]

Thanks, David.  I'm not an actual emulab user, so I usually just use the 
old GUI to create test experiments.  I should have looked at the sample 
NS files in the tutorial.  I just assumed I still had parts of the setup 
wrong, which I think I do...

Now that I'm using an NS file, I move on to the following error, which 
seems to suggest its own solution, but I wanted to ask before hacking 
the database.

________

Type precheck passed.
  *** No possible mapping for nfrouter
      No links of type ethernet found! (2 requested)
  *** No possible mapping for nfhost
      No physical nodes have feature hosts-netfpga!
*** Node mapping precheck failed!

________


I see that there is a node_type_features table in the database which is 
currently empty.  Should it have entries to indicate that pcr200 has the 
feature "hosts-netfpga"?

- dave


David M. Johnson wrote:
> On Fri, Sep 25, 2009 at 09:14:01AM -0500, David A. Kotz wrote:
> > I've entered the missing data, and now I can attempt to allocate 
> > NetFPGAs, but I'm not quite there yet:
> >
> >
> > --------- testnetfpga.ns --------
> > #generated by Netbuild 1.03
> > set ns [new Simulator]
> > source tb_compat.tcl
> >
> > set node24 [$ns node]
> > tb-set-hardware $node24 netfpga
> >
> > $ns rtproto Static
> > $ns run
> > #netbuild-generated ns file ends.
>
> Yes, since you have added the netfpgas as "subnodes", you have to explicitly
> allocated a parent/host node in your ns file and bind the subnode to the
> parent.  See the netfpga tutorial:
> <http://users.emulab.net/trac/emulab/wiki/netfpga> for the right NS stuff.