hello, I`m a newbie in Ryu. Here is the problem, when I first run “run_sdnhub_app.sh”, everything is fine. Then I create the topo by using “sudo mn –controller=remote,ip=192.168.56.130,port=6633 –topo single,3 –mac –switch omsk,protocols=OpenFlow13”, something is wrong.
root@ryu-vm:/home/ryu/ryu# ./ryu/app/sdnhub_apps/run_sdnhub_apps.sh
loading app ryu.app.sdnhub_apps.fileserver
loading app ryu.app.sdnhub_apps.host_tracker_rest
loading app ryu.app.rest_topology
loading app ryu.app.sdnhub_apps.stateless_lb_rest
loading app ryu.app.sdnhub_apps.tap_rest
loading app ryu.app.ofctl_rest
loading app ryu.controller.ofp_handler
creating context dpset
creating context wsgi
creating context tap
creating context stateless_lb
creating context host_tracker
creating context learning_switch
instantiating app ryu.app.sdnhub_apps.stateless_lb_rest
instantiating app ryu.controller.ofp_handler
instantiating app ryu.app.sdnhub_apps.tap_rest
instantiating app ryu.app.rest_topology
instantiating app ryu.app.ofctl_rest
instantiating app ryu.app.sdnhub_apps.host_tracker_rest
instantiating app ryu.app.sdnhub_apps.fileserver
(2799) wsgi starting up on http://0.0.0.0:8080/
hub: uncaught exception: Traceback (most recent call last):
File “/home/ryu/ryu/ryu/lib/hub.py”, line 48, in _launch
func(*args, **kwargs)
File “/home/ryu/ryu/ryu/base/app_manager.py”, line 110, in _event_loop
handler(ev)
File “/home/ryu/ryu/ryu/app/sdnhub_apps/tap.py”, line 70, in switch_features_handler
out_port=ofproto.OFPP_ANY,out_group=ofproto.OFPG_ANY)
AttributeError: ‘module’ object has no attribute ‘OFPP_ANY’
hub: uncaught exception: Traceback (most recent call last):
File “/home/ryu/ryu/ryu/lib/hub.py”, line 48, in _launch
func(*args, **kwargs)
File “/home/ryu/ryu/ryu/base/app_manager.py”, line 110, in _event_loop
handler(ev)
File “/home/ryu/ryu/ryu/app/sdnhub_apps/learning_switch.py”, line 156, in state_change_handler
actions = [ofp_parser.OFPActionOutput(ofp.OFPP_CONTROLLER, ofp.OFPCML_NO_BUFFER)]
AttributeError: ‘module’ object has no attribute ‘OFPCML_NO_BUFFER’
How can I fix it?
Thank you!
Xu Yicheng 5 years ago.