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openflow how to set fail secure mode when connection to controller is down
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openflow how to set fail secure mode when connection to controller is down
Hi,
I'm using a m4300-28G switch in openflow mode with floodlight controller. we have some static flows pushed into the switch and traffic is forwarded propely. But when the connection to controller is lost the swicth is ignoring the flows and working as a learning switch causing issues in our test setup.
I want the swicth to use the openflow flows for forwarding traffic even when connection to contorller is lost, i.e confgure switch into "fail secure mode" as decribed in section 6.3.2(connection interruption) of openflow spec.
https://www.opennetworking.org/wp-content/uploads/2014/10/openflow-spec-v1.3.0.pdf
(M4300-28G) (Config)#show openflow
Administrative Mode............................ Enable
Operational Status............................. Enabled
Disable Reason................................. None
IP Address..................................... 10.67.98.25
IP Mode........................................ ServicePort IP
Static IP Address.............................. 10.67.98.25
OpenFlow Variant............................... OpenFlow 1.3
Passive Mode................................... Enable
Please let me know how to achieve this.
thanks
Suresh
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Re: openflow how to set fail secure mode when connection to controller is down
Welcome to the community! 🙂
I inquired your post to the higher tier of NETGEAR Support. According to them, it seems there is no way of putting the unit into hybrid mode/fail secure mode via the CLI. It was suggested to have more than one controller so the switch can fall back to one if the primary controller fails.
Regards,
DaneA
NETGEAR Community Team
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Re: openflow how to set fail secure mode when connection to controller is down
Just an update from the higher tier of NETGEAR Support. According to the engineering team, when the connection to the controller is lost, packets destined to the controller will be dropped and the existing flows will function till their expiry. This is how the ‘Fail secure mode’ works and it’s supported on M4300. If you want the flows to last long, then the flows needs to be installed with a higher timeout value."
Regards,
DaneA
NETGEAR Community Team