help!
sdn@IPL204:~/pox$ ./pox.py forwarding.l3_learning
--fakeways=172.16.0.1,172.16.1.1
POX 0.1.0 (betta) / Copyright 2011-2013 James McCauley, et al.
INFO:core:POX 0.1.0 (betta) is up.
INFO:openflow.of_01:[90-e2-ba-28-2d-d5 1] connected
INFO:packet:(dhcp parse) warning DHCP packet data too short to parse header:
data len 86
INFO:packet:(dhcp parse) warning DHCP packet data too short to parse header:
data len 86
Task <Timer/tid1> caused exception and was de-scheduled
Traceback (most recent call last):
File "/home/sdn/pox/pox/lib/recoco/recoco.py", line 276, in cycle
rv = t.execute()
File "/home/sdn/pox/pox/lib/recoco/recoco.py", line 94, in execute
return self.gen.send(v)
File "/home/sdn/pox/pox/lib/recoco/recoco.py", line 751, in run
rv = self._callback(*self._args,**self._kw)
File "/home/sdn/pox/pox/forwarding/l3_learning.py", line 130, in
_handle_expiration
core.openflow.sendToDPID(dpid, po)
File "/home/sdn/pox/pox/openflow/__init__.py", line 346, in sendToDPID
if dpid in self._connections:
File "/home/sdn/pox/pox/openflow/__init__.py", line 282, in __contains__
return item in self.values()
File "/home/sdn/pox/pox/lib/addresses.py", line 315, in __cmp__
return -other.__cmp__(self)
AttributeError: 'Connection' object has no attribute '__cmp__'