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Configuring Spectrum Management on an Upstream Cable Interface

Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management 31

cable upstream shutdown

Activate the RF carrier on the upstream ports. Each upstream port must be activated to enable

upstream data from the cable modems on the HFC network to the Cisco uBR7200 series.

Note The upstream cable interface will not operate until you either set a ﬁxed upstream frequency

or you create and conﬁgure a spectrum group (see the “Debug Commands” section on page 31).

cable upstream interface number shutdown

no cable upstream interface number shutdown

Syntax Description

Default

Cable interfaces are deactivated until the no shutdown command has been issued for them.

Command Mode

Cable interface conﬁguration

Command History

Example

The following example deactivates a speciﬁed upstream cable interface:

Router(config-if)# cable upstream 0 shutdown

The following example activates a speciﬁed upstream cable interface:

Router(config-if)# no cable upstream 0 shutdown

Note The upstream 0 command can be abbreviated as u0.

interface number Speciﬁes the number of the upstream cable interface you are

activating or deactivating.

Release Modiﬁcation

11.3 NA This command was introduced.

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Cisco MC16S Manual de usuario Pagina 31