Passive - Dell N1100-ON Reference Manual

OpenFlow operates on the stack master only. Flows may not be configured on
stack members. Failover to the stack standby unit is not supported.
OpenFlow should only be enabled on stand-alone switches and should not be
enabled on stacks of switches. This restriction is not enforced.
Command History
Introduced in version 6.3.0.1 firmware.
Example
This example enables OpenFlow 1.3 on a switch and configures a connection
the controller at IPv4 address 1.2.3.4 TCP port 3435 using SSL security.
console(config)#openflow
WARNING! OpenFlow does not operate on stack members. Enable OpenFlow on
stand-alone switches only.
console(config-of-switch)#controller ipv4 1.2.3.4 port 3435 security ssl

passive

Use the passive command to set the switch to accept connections initiated by
a controller.
Syntax
passive
no passive
Default Configuration
By default, the switch initiates the connection to the controllers.
Command Mode
OpenFlow Configuration
1168
Data Center Technology Commands