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7.8.1.0 - Force10 Networks

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Enabling PoE on a Port<br />

PoE is disabled by default. Enable PoE on a port from INTERFACE mode using the command <br />

power inline {auto [max_milliwatts] | static [max_milliwatts]}.<br />

• The power inline auto command allows the port to determine the amount of power that a connected<br />

Class 1–4 powered device requires, and supply it. See Table 48 on page 575.<br />

• The power inline static command without the qualifier guarantees 15.4W to the powered device.<br />

• You can limit the maximum amount of power (in milliwatts) available to a powered device with the<br />

command power inline auto max_milliwatts or with power inline static max_milliwatts<br />

• Disable PoE on a port using the no power inline command.<br />

Ports configured with power inline auto have a lower priority for access to power than those configured<br />

with power inline static. As a second layer of priority setting, use the [no] power inline priority<br />

command. Use the power inline static max_milliwatts command to avoid allocating more power than<br />

necessary to a port because allocated power is made unavailable to other ports regardless of whether it is<br />

consumed. Typical IP phones use 3-5 watts.<br />

Figure 368 Enabling PoE<br />

R1(conf)# int range gi 0/1<br />

R1(conf-if-gi-0/1)# power inline static<br />

0/1 1/0<br />

FTOS Configuration Guide, version <strong>7.8.1.0</strong> 577<br />

1/1<br />

R1(conf)# int range gi 1/1<br />

R1(conf-if-gi-1/1)# power inline auto<br />

R1(conf)# int range gi 1/0<br />

R1(conf-if-gi-1/0)# power inline auto 4000

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