1-10
z GigabitEthernet 1/0/1, GigabitEthernet 1/0/2, and GigabitEthernet 1/0/3 are connected to IP
telephones.
z GigabitEthernet 1/0/11 and GigabitEthernet 1/0/12 are connected to AP devices.
z The power supply priority of IP telephones is higher than that of the APs, for which the PSE
supplies power to IP telephones first when the PSE power is overloaded.
z The maximum power of AP2 connected to GigabitEthernet 1/0/12 does not exceed 9000
milliwatts.
Network diagram
Figure 1-2 Network diagram for PoE
G
E
1
/
0
/
2
GE1/0/1
2
GE
1
/
0
/
3
Configuration procedure
# Enable PoE on GigabitEthernet 1/0/1, GigabitEthernet 1/0/2, and GigabitEthernet 1/0/3, and
configure their power supply priority to critical.
<Sysname> system-view
[Sysname] interface gigabitethernet 1/0/1
[Sysname-GigabitEthernet1/0/1] poe enable
[Sysname-GigabitEthernet1/0/1] poe priority critical
[Sysname-GigabitEthernet1/0/1] quit
[Sysname] interface gigabitethernet 1/0/2
[Sysname-GigabitEthernet1/0/2] poe enable
[Sysname-GigabitEthernet1/0/2] poe priority critical
[Sysname-GigabitEthernet1/0/2] quit
[Sysname] interface gigabitethernet 1/0/3
[Sysname-GigabitEthernet1/0/3] poe enable
[Sysname-GigabitEthernet1/0/3] poe priority critical
[Sysname-GigabitEthernet1/0/3] quit
# Enable PoE on GigabitEthernet 1/0/11 and GigabitEthernet 1/0/12, and configure the maximum
power of GigabitEthernet 1/0/12 to 9000 milliwatts.
[Sysname] interface gigabitethernet 1/0/11
[Sysname-GigabitEthernet1/0/11] poe enable
[Sysname-GigabitEthernet1/0/11] quit
[Sysname] interface gigabitethernet 1/0/12
[Sysname-GigabitEthernet1/0/12] poe enable
[Sysname-GigabitEthernet1/0/12] poe max-power 9000
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