Hi,
When we start ryu with: gui_topology.py, switches.py, rest_topology.py,
ofctl_rest.py
we obtain the next error:
hub: uncaught exception: Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/ryu/lib/hub.py", line 52, in
_launch
func(*args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py", line
274, in _event_loop
handler(ev)
File "/usr/local/lib/python2.7/dist-packages/ryu/topology/switches.py", line
687, in packet_in_handler
src_dpid, src_port_no = LLDPPacket.lldp_parse(msg.data)
File "/usr/local/lib/python2.7/dist-packages/ryu/topology/switches.py", line
397, in lldp_parse
pkt = packet.Packet(data)
File "/usr/local/lib/python2.7/dist-packages/ryu/lib/packet/packet.py", line
45, in __init__
self._parser(parse_cls)
File "/usr/local/lib/python2.7/dist-packages/ryu/lib/packet/packet.py", line
51, in _parser
proto, cls, rest_data = cls.parser(rest_data)
File "/usr/local/lib/python2.7/dist-packages/ryu/lib/packet/lldp.py", line
132, in parser
tlv = cls._tlv_parsers[tlv_type](buf)
File "/usr/local/lib/python2.7/dist-packages/ryu/lib/packet/lldp.py", line
336, in __init__
super(SystemDescription, self).__init__(buf, *args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/ryu/lib/packet/lldp.py", line
89, in __init__
assert len(buf) >= self.len + LLDP_TLV_SIZE
AssertionError
we have been looking for this error in several mailing list archives proposing
modifications to lldp.py, without any result (e.g.,
http://sourceforge.net/p/ryu/mailman/message/31079049/ )
We are using two switches with this controller: one openvswitch and one HP
physical switch. When starting RYU the controller is capable to show both
switches but after some time running it seems to become broken.
Any help or hint is more than welcome.
Best regards
Maria Victoria.
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