Note that a short aging time (for example, 1 minute) will cause MAC address entries to be aged outįast, and therefore result in traffic forwarding failures.īy default, dynamic secure MAC address entries learned by an interface are not aged out. The aging time of dynamic secure MAC address entries learned by the interface is set. Now A types the letter, prints it and puts it in an envelope and writes the Bs address on the envelope. (Optional) Run port-security protect-action ] He first enquires the address of B through some mechanism ( either by a phone call to B or if B is a famous person then looks up some directory ).(Optional) Run port-security mac-address mac-address vlan vlan-idĪ static secure MAC address entry is configured. DESCRIPTION Function to clean up a MACAddress string and optionally format it with separators.The VLAN IDs in the two MAC address entries used by the IP phone are different. This is because the IP phone occupies two MAC address entries and the PC occupies one MAC address entry. If a PC connects to the switch using an IP phone, set the maximum number
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