H3C Low-End Ethernet Switches Configuration Guide(V1.01)

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PoE Configuration

Power over Ethernet (PoE)-enabled devices use 10BASE-T, 100BASE-TX and 1000BASE-T twisted pair cables to supply power to powered devices (PD) and implement power supply and data transmission simultaneously.

Network Diagram

Figure 1-1 Network diagram for PoE configuration

 

Networking and Configuration Requirements

l          Switch A is an S3600 Ethernet switch supporting PoE and Switch B can be PoE powered.

l          The Ethernet 1/0/1 and Ethernet 1/0/2 ports of Switch A are connected to Switch B and an Access Point (AP) respectively; the Ethernet 1/0/8 port is intended to be connected with an important AP.

l          The PSE processing software of Switch A is first upgraded online. The remotely accessed PDs are powered by Switch A.

l          The power consumption of the accessed AP is 2,500 milliwatts, and the maximum power consumption of Switch B is 12,000 milliwatts.

l          It is required to guarantee the power supply to the AP connected to the Ethernet 1/0/8 even when Switch A is under full load.

Applicable Product Matrix

Product series

Software version

Hardware version

S5600 series

Release 1510, Release1602

S5600 series PoE switches

S5100-EI series

Release 2200, Release2201

S5100-EI series PoE switches

S3600-SI/EI series

Release 1510, Release1602

S3600-SI/EI series PoE switches

S3100-EI series

Release 2104, Release 2107

S3100-EI series PoE switches

 

Configuration Procedure

# Upgrade the power processing software.

<SwitchA> system-view

[SwitchA] poe update refresh 0290_021.s19

Update PoE  board successfully

# Enable the PoE feature on ports Ethernet 1/0/1, Ethernet 1/0/2 and Ethernet 1/0/8.

[SwitchA] interface Ethernet 1/0/1

[SwitchA-Ethernet1/0/1] poe enable

[SwitchA-Ethernet1/0/1] quit

[SwitchA]interface Ethernet 1/0/2

[SwitchA-Ethernet1/0/2] poe enable

[SwitchA-Ethernet1/0/2] quit

[SwitchA] interface Ethernet 1/0/8

[SwitchA-Ethernet1/0/8] poe enable

[SwitchA-Ethernet1/0/8] quit

# Set the maximum power that Ethernet 1/0/1 and Ethernet 1/0/2 can provide for all PDs to 12000 and 2500 milliwatts respectively.

[SwitchA] interface Ethernet 1/0/1

[SwitchA-Ethernet1/0/1] poe max-power 12000

[SwitchA-Ethernet1/0/1] quit

[SwitchA] interface Ethernet 1/0/2

[SwitchA-Ethernet1/0/2] poe max-power 2500

[SwitchA-Ethernet1/0/2] quit

# Set the PoE priority of Ethernet 1/0/8 to critical to guarantee power supply to the device connected to Ethernet 1/0/8.

[SwitchA] interface Ethernet 1/0/8

[SwitchA-Ethernet1/0/8] poe priority critical

[SwitchA-Ethernet1/0/8] quit

# Set the power supply management mode of the switch to auto (The default power supply management mode is auto, and this step can be omitted.).

[SwitchA] poe power-management auto

# Enable the PD compatibility detection function to allow the switch to supply power to the PDs not compliant with the 802.3af standard.

[SwitchA] poe legacy enable

# View the power supply status of all the ports on the switch after the configuration.

[SwitchA] display poe interface

       PORT INDEX      POWER ENABLE   MODE  PRIORITY       STATUS

 Ethernet1/0/1          on   enable  signal  low      Standard PD was detected

 Ethernet1/0/2          on   enable  signal  low      Standard PD was detected

 Ethernet1/0/3          off  enable  signal  low      detection is in process

 Ethernet1/0/4          off  enable  signal  low      detection is in process

 Ethernet1/0/5          off  enable  signal  low      detection is in process

 Ethernet1/0/6          off  enable  signal  low      detection is in process

 Ethernet1/0/7          off  enable  signal  low      detection is in process

 Ethernet1/0/8          on   enable  signal  critical Standard PD was detected

……

# View the PoE power information of all the ports on the switch.

<SwitchA> display poe interface power

       PORT INDEX       POWER (mW)                PORT INDEX      POWER (mW)

 Ethernet1/0/1           11500             Ethernet1/0/2           2300

 Ethernet1/0/3           0                  Ethernet1/0/4           0

 Ethernet1/0/5           0                  Ethernet1/0/6           0

 Ethernet1/0/7           0                  Ethernet1/0/8           2400

……

Complete Configuration

#

 poe legacy enable

#

interface Ethernet1/0/1

 poe enable

 poe max-power 12000

#

interface Ethernet1/0/2

 poe enable

 poe max-power 2500

#

interface Ethernet1/0/8

 poe enable

 poe priority critical

Precautions

None

PoE Profile Configuration

A PoE profile is a set of PoE configurations, including multiple PoE features.

Features of PoE profile:

l          Various PoE profiles can be created. PoE policy configurations applicable to different user groups are saved in the corresponding PoE profiles. These PoE profiles can be applied to the ports used by the corresponding user groups.

l          When users connect a PD to a PoE-profile-enabled port, the PoE configurations in the PoE profile will be enabled on the port.

Network Diagram

Figure 1-2 Network diagram for PoE profile configuration

 

Networking and Configuration Requirements

Switch A is an S3600 Ethernet switch supporting PoE. Ethernet 1/0/1 through Ethernet 1/0/10 of Switch A are used by users of group A, whom have the following requirements:

l          The PoE function can be enabled on all ports in use.

l          Signal mode is used to supply power.

l          The PoE priority for Ethernet 1/0/1 through Ethernet 1/0/5 is critical, whereas the PoE priority for Ethernet 1/0/6 through Ethernet 1/0/10 is high.

l          The maximum power for Ethernet 1/0/1 through Ethernet 1/0/5 is 3000 milliwatts, whereas the maximum power for Ethernet 1/0/6 through Ethernet 1/0/10 is 15400 milliwatts.

Based on the above requirements, two PoE profiles are made for users of group A.

l          Apply PoE profile 1 for Ethernet 1/0/1 through Ethernet 1/0/5;

l          Apply PoE profile 2 for Ethernet 1/0/6 through Ethernet 1/0/10.

Applicable Product Matrix

Product series

Software version

Hardware version

S5600 series

Release 1510, Release1602

S5600 series PoE switches

S5100-EI series

Release 2200, Release2201

S5100-EI series PoE switches

S3600-SI/EI series

Release 1510, Release1602

S3600-SI/EI series PoE switches

S3100-EI series

Release 2104, Release 2107

S3100-EI series PoE switches

 

Configuration Procedure

# Create Profile1 and enter PoE profile view.

<SwitchA> system-view

[SwitchA] poe-profile Profile1

# In Profile1, add the PoE policy configuration applicable to Ethernet 1/0/1 through Ethernet 1/0/5 for users of group A.

[SwitchA-poe-profile-Profile1] poe enable

[SwitchA-poe-profile-Profile1] poe mode signal

[SwitchA-poe-profile-Profile1] poe priority critical

[SwitchA-poe-profile-Profile1] poe max-power 3000

[SwitchA-poe-profile-Profile1] quit

# Create Profile2 and enter PoE profile view.

[SwitchA] poe-profile Profile2

# In Profile2, add the PoE policy configuration applicable to Ethernet 1/0/6 through Ethernet 1/0/10 for users of group A.

[SwitchA-poe-profile-Profile2] poe enable

[SwitchA-poe-profile-Profile2] poe mode signal

[SwitchA-poe-profile-Profile2] poe priority high

[SwitchA-poe-profile-Profile2] poe max-power 15400

[SwitchA-poe-profile-Profile2] quit

# Apply the configured Profile1 to Ethernet 1/0/1 through Ethernet 1/0/5.

[SwitchA] apply poe-profile Profile1 interface Ethernet1/0/1 to Ethernet1/0/5

# Apply the configured Profile2 to Ethernet 1/0/6 through Ethernet 1/0/10.

[SwitchA] apply poe-profile Profile2 interface Ethernet1/0/6 to Ethernet1/0/10

Complete Configuration

#

poe-profile Profile1

 poe enable

 poe max-power 3000

 poe priority critical

poe-profile Profile2

 poe enable

 poe priority high

#

interface Ethernet1/0/1

apply poe-profile Profile1

#

interface Ethernet1/0/2

apply poe-profile Profile1

#

interface Ethernet1/0/3

apply poe-profile Profile1

#

interface Ethernet1/0/4

 apply poe-profile Profile1

#

interface Ethernet1/0/5

 apply poe-profile Profile1

#

interface Ethernet1/0/6

 apply poe-profile Profile2

#

interface Ethernet1/0/7

 apply poe-profile Profile2

#

interface Ethernet1/0/8

 apply poe-profile Profile2

#

interface Ethernet1/0/9

 apply poe-profile Profile2

#

interface Ethernet1/0/10

 apply poe-profile Profile2

Precautions

1)        When the apply poe-profile command is used to apply a PoE profile to a port, some PoE features can be applied successfully while some cannot. PoE profiles are applied to H3C low-end PoE switches according to the following rules:

l          When the apply poe-profile command is used to apply a PoE profile to a port, the PoE profile is applied successfully as long as one PoE feature in the PoE profile is applied properly. When the display current-configuration command is used for query, it is displayed that the PoE profile is applied properly to the port.

l          If one or more features in the PoE profile are not applied properly on a port, the switch will prompt explicitly which PoE features in the PoE profile are not applied properly on which ports.

l          The display current-configuration command can be used to query which PoE profile is applied to a port. However, the command cannot be used to query which PoE features in a PoE profile are applied successfully.

2)        If you cannot apply a PoE profile to a PoE port, it may be due to the following reasons:

l          Some of the PoE features in the PoE profile have been configured through other modes;

l          Some of the PoE features in the PoE profile are not compliant with the configuration requirements for PoE ports;

l          Another PoE profile has been applied to this PoE port.

You can solve the problem in the following ways:

l          In the first case, you can solve the problem by removing the original configurations.

l          In the second case, you need to modify some configurations in the PoE profile.

In the third case, you need to remove the application of the undesired PoE profile from the PoE port.

 

 

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