User guide

Dell PowerConnect 55xx Systems User Guide 497
The following is an example of the CLI commands:
OUI
Organizationally Unique Identifiers (OUIs) are a 24-bit numbers assigned by
the Institute of Electrical and Electronics Engineers, Incorporated (IEEE)
Registration Authority to equipment manufacturers.
Up to 128 OUIs can be stored on the switch. Nine specific OUIs of popular
VoIP phones manufacturers are stored by default.
Traffic from each type of IP phone contains the OUI for the phone
manufacturer. When frames are received, in which the source MAC address’s
first three octets match one of the OUIs in the OUI list, the port on which
they are received is automatically assigned to the Voice VLAN.
console(config)# interface gi1/0/1
console(config-if)# voice vlan enable
console(config-if)# voice vlan secure
console(config-if)#