Configuring advanced switch Access port security
The objective of this lab exercise is to ensure that learned MAC addresses on a secured port are retained in the switch NVRAM in the event of a reboot. By default, secured MAC addresses are flushed during switch reboots.
Retaining learned secure MAC addresses is an advanced skill. When a Cisco Catalyst switch configured with port security reboots, learned secure MAC address entries are flushed and have to be re-learned when the switch comes back up. As a Cisco engineer, understanding advanced features will give you the . . .
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