I have been reading up on the documentation for SAN port-security and auto-learn. In the documentation, it seems to be contradictory or I am understanding.
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/san_switching/b_Cisco_Nexus_5000_Series_NX-OS_SAN_Switching_Configuration_Guide/configuring_port_security.html?bookSearch=true#d35372e1109a1635
First it says:
"When auto-learning is enabled, learning happens only for the devices or interfaces that were not already logged into the switch."
But just a few paragraphs later, it says
"All the devices that are already logged in are learned and are added to the active database."
And then later when discussing the individual steps to enable Port Security, it says:
"Wait until all switches and all hosts are automatically learned."
So, which is it? Are the hosts that are already logged automatically added to the database or does the device/port need to be shutdown first and reenabled to then be auto-learned?
