> # Operational States

> The operational state indicates the current operational state of the interface as described in Table 12-2.

> Table 12-2 Operational States
> Operational State | Description
> --- | ---
> Up | Interface is transmitting or receiving traffic as desired. To be in this state, an interface must be administratively up, the interface link layer state must be up, and the interface initialization must be completed.
> Down | Interface cannot transmit or receive (data) traffic.
> Trunking | Interface is operational in TE or TF mode.

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