prom Switch Port Learning Mode

1.3.6.1.4.1.2167.5.2.1.1.4

Disable learning on a bridge port to prevent new addresses from being added to the address database. Used in combination with static (permanent) address entries, disabling address learning is an effective security feature to prevent new hosts from appearing on the network, or to prevent hosts from moving to different locations in the network. The default is enable.