Hi CASPER,

We are having trouble running tap-start.  We are running corr-0.6.9.

It has been awhile since I have run tap-start and the arguments have changed 
(tap_dev was added).  Based on the source code, the arguments appear to be:
def tap_start(self, tap_dev, device, mac, ip, port)

Can you confirm that this is the correct usage of tap-start?  Can tap_dev be 
any arbitrary string?

tqtrinh@ska:~/dev/dsn_spec$ ./tengb_test.py
Connecting to server roach on port...  ok

------------------------
Programming FPGA with tengbe.bof... ok

------------------------
Setting the port 0 linkup : True
------------------------
Configuring receiver core...
Traceback (most recent call last):
  File "./tengb_test.py", line 41, in <module>
    fpga.tap_start('tap0',gbe0,mac_base+src_ip,src_ip,port)
  File "/usr/local/lib/python2.6/dist-packages/corr/katcp_wrapper.py", line 
182, in tap_start
    reply, informs = self._request("tap-start", tap_dev, device, ip_str, 
port_str, mac_str)
  File "/usr/local/lib/python2.6/dist-packages/corr/katcp_wrapper.py", line 67, 
in _request
    % (request.name, request, reply))
RuntimeError: Request tap-start failed.
  Request: ?tap-start tap0 tengb0 10.0.0.10 46224 02:02:0A:00:00:0A
  Reply: !tap-start fail.


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