> it seems that your switch reconnect us for some reasons. > can you investigate the log?
Your anticipation is right. I found the log of "Leave router". It seems that this cause is having applied load to "OpenvSwitch@Ubuntu@Vmware" which is powerless OpenFlowSwitch. I want processing to continue also after re-connection. --------------------------------------------------- ~$ ryu-manager --version ryu-manager 3.3 ~$ ryu-manager ryu/ryu/app/rest_router.py loading app ryu/ryu/app/rest_router.py loading app ryu.controller.ofp_handler creating context dpset creating context wsgi instantiating app ryu/ryu/app/rest_router.py instantiating app ryu.controller.ofp_handler (2606) wsgi starting up on http://0.0.0.0:8080/ [RT][INFO] switch_id=0123456789abcd03: Set SW config for TTL error packet in. [RT][INFO] switch_id=0123456789abcd03: Set ARP handling (packet in) flow [cookie=0x0] [RT][INFO] switch_id=0123456789abcd03: Set L2 switching (normal) flow [cookie=0x0] [RT][INFO] switch_id=0123456789abcd03: Set default route (drop) flow [cookie=0x0] [RT][INFO] switch_id=0123456789abcd03: Start cyclic routing table update. [RT][INFO] switch_id=0123456789abcd03: Join as router. [RT][INFO] switch_id=0123456789abcd01: Set SW config for TTL error packet in. [RT][INFO] switch_id=0123456789abcd01: Set ARP handling (packet in) flow [cookie=0x0] [RT][INFO] switch_id=0123456789abcd01: Set L2 switching (normal) flow [cookie=0x0] [RT][INFO] switch_id=0123456789abcd01: Set default route (drop) flow [cookie=0x0] [RT][INFO] switch_id=0123456789abcd01: Start cyclic routing table update. [RT][INFO] switch_id=0123456789abcd01: Join as router. [RT][INFO] switch_id=0123456789abcd02: Set SW config for TTL error packet in. [RT][INFO] switch_id=0123456789abcd02: Set ARP handling (packet in) flow [cookie=0x0] [RT][INFO] switch_id=0123456789abcd02: Set L2 switching (normal) flow [cookie=0x0] [RT][INFO] switch_id=0123456789abcd02: Set default route (drop) flow [cookie=0x0] [RT][INFO] switch_id=0123456789abcd02: Start cyclic routing table update. [RT][INFO] switch_id=0123456789abcd02: Join as router. (2606) accepted ('127.0.0.1', 35062) ... [RT][INFO] switch_id=0123456789abcd01: Receive ARP reply from [192.168.202.2] to router port [192.168.202.1]. [RT][INFO] switch_id=0123456789abcd01: Receive ARP request from [192.168.202.2] to router port [192.168.202.1]. [RT][INFO] switch_id=0123456789abcd01: Send ARP reply to [192.168.202.2] [RT][INFO] switch_id=0123456789abcd02: Receive ARP reply from [192.168.202.1] to router port [192.168.202.2]. [RT][INFO] switch_id=0123456789abcd03: Stop cyclic routing table update. [RT][INFO] switch_id=0123456789abcd03: Leave router. [RT][INFO] switch_id=0123456789abcd03: Set SW config for TTL error packet in. [RT][INFO] switch_id=0123456789abcd03: Set ARP handling (packet in) flow [cookie=0x0] [RT][INFO] switch_id=0123456789abcd03: Set L2 switching (normal) flow [cookie=0x0] [RT][INFO] switch_id=0123456789abcd03: Set default route (drop) flow [cookie=0x0] [RT][INFO] switch_id=0123456789abcd03: Start cyclic routing table update. [RT][INFO] switch_id=0123456789abcd03: Join as router. [RT][INFO] switch_id=0123456789abcd02: Receive ARP request from [192.168.202.1] to router port [192.168.202.2]. [RT][INFO] switch_id=0123456789abcd02: Send ARP reply to [192.168.202.1] [RT][INFO] switch_id=0123456789abcd01: Receive ARP reply from [192.168.202.2] to router port [192.168.202.1]. [RT][INFO] switch_id=0123456789abcd01: Receive ARP request from [192.168.202.2] to router port [192.168.202.1]. ... [RT][INFO] switch_id=0123456789abcd01: Receive ARP request from [192.168.202.2] to router port [192.168.202.1]. [RT][INFO] switch_id=0123456789abcd01: Send ARP reply to [192.168.202.2] [RT][INFO] switch_id=0123456789abcd02: Receive ARP reply from [192.168.202.1] to router port [192.168.202.2]. [RT][INFO] switch_id=0123456789abcd01: Set implicit routing flow [cookie=0x1] [RT][INFO] switch_id=0123456789abcd01: Receive ARP request from [192.168.200.2] to router port [192.168.200.1]. [RT][INFO] switch_id=0123456789abcd01: Send ARP reply to [192.168.200.2] [RT][INFO] switch_id=0123456789abcd02: Receive IP packet from [192.168.200.2] to an internal host [192.168.204.2]. [RT][INFO] switch_id=0123456789abcd02: Send ARP request (flood) [RT][INFO] switch_id=0123456789abcd02: Receive IP packet from [192.168.200.2] to an internal host [192.168.204.2]. [RT][INFO] switch_id=0123456789abcd02: Send ARP request (flood) [RT][INFO] switch_id=0123456789abcd02: Receive IP packet from [192.168.200.2] to an internal host [192.168.204.2]. [RT][INFO] switch_id=0123456789abcd02: Send ARP request (flood) ... [RT][INFO] switch_id=0123456789abcd02: Receive IP packet from [192.168.200.2] to an internal host [192.168.204.2]. [RT][INFO] switch_id=0123456789abcd02: Send ARP request (flood) [RT][INFO] switch_id=0123456789abcd02: Receive IP packet from [192.168.200.2] to an internal host [192.168.204.2]. [RT][INFO] switch_id=0123456789abcd02: Send ARP request (flood) [RT][INFO] switch_id=0123456789abcd02: Packet is dropped, MAX_SUSPENDPACKETS exceeded. [RT][INFO] switch_id=0123456789abcd02: Packet is dropped, MAX_SUSPENDPACKETS exceeded. [RT][INFO] switch_id=0123456789abcd02: Packet is dropped, MAX_SUSPENDPACKETS exceeded. ... [RT][INFO] switch_id=0123456789abcd02: Packet is dropped, MAX_SUSPENDPACKETS exceeded. [RT][INFO] switch_id=0123456789abcd02: Packet is dropped, MAX_SUSPENDPACKETS exceeded. [RT][INFO] switch_id=0123456789abcd02: Set implicit routing flow [cookie=0x3] [RT][INFO] switch_id=0123456789abcd02: Receive ARP reply from [192.168.204.2] to router port [192.168.204.1]. [RT][INFO] switch_id=0123456789abcd02: Send suspend packet to [192.168.204.2]. [RT][INFO] switch_id=0123456789abcd02: Send suspend packet to [192.168.204.2]. ... [RT][INFO] switch_id=0123456789abcd02: Send suspend packet to [192.168.204.2]. [RT][INFO] switch_id=0123456789abcd02: Set implicit routing flow [cookie=0x3] [RT][INFO] switch_id=0123456789abcd02: Receive ARP reply from [192.168.204.2] to router port [192.168.204.1]. [RT][INFO] switch_id=0123456789abcd02: Set implicit routing flow [cookie=0x3] [RT][INFO] switch_id=0123456789abcd02: Receive ARP reply from [192.168.204.2] to router port [192.168.204.1]. [RT][INFO] switch_id=0123456789abcd02: Set implicit routing flow [cookie=0x3] ... [RT][INFO] switch_id=0123456789abcd02: Receive ARP reply from [192.168.204.2] to router port [192.168.204.1]. [RT][INFO] switch_id=0123456789abcd02: Receive IP packet from [192.168.200.2] to an internal host [192.168.204.2]. [RT][INFO] switch_id=0123456789abcd02: Send ARP request (flood) ... [RT][INFO] switch_id=0123456789abcd02: Send ARP request (flood) [RT][INFO] switch_id=0123456789abcd02: Receive IP packet from [192.168.200.2] to an internal host [192.168.204.2]. [RT][INFO] switch_id=0123456789abcd02: Send ARP request (flood) [RT][INFO] switch_id=0123456789abcd02: Set implicit routing flow [cookie=0x3] [RT][INFO] switch_id=0123456789abcd02: Receive ARP reply from [192.168.204.2] to router port [192.168.204.1]. [RT][INFO] switch_id=0123456789abcd02: ARP reply wait timer was timed out. [RT][INFO] switch_id=0123456789abcd02: ARP reply wait timer was timed out. [RT][INFO] switch_id=0123456789abcd02: ARP reply wait timer was timed out. ... [RT][INFO] switch_id=0123456789abcd02: ARP reply wait timer was timed out. [RT][INFO] switch_id=0123456789abcd02: ARP reply wait timer was timed out. hub: uncaught exception: Traceback (most recent call last): File "/usr/local/lib/python2.7/dist-packages/ryu/lib/hub.py", line 48, in _launch func(*args, **kwargs) File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py", line 110, in _event_loop handler(ev) File "/usr/local/lib/python2.7/dist-packages/ryu/controller/dpset.py", line 157, in dispacher_change self.register(datapath) File "/usr/local/lib/python2.7/dist-packages/ryu/controller/dpset.py", line 100, in register assert dp.id not in self.dps AssertionError --------------------------------------------------- ------------------------------------------------------------------------------ DreamFactory - Open Source REST & JSON Services for HTML5 & Native Apps OAuth, Users, Roles, SQL, NoSQL, BLOB Storage and External API Access Free app hosting. Or install the open source package on any LAMP server. 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