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S1720GFR, S2700, S5700, and S6720 V200R010C00 Web-based Configuration Guide

This document describes the configuration and maintenance of device through the web network management system. The web network management system provides the functions of viewing device information and managing the entire system, interfaces, services, ACL, QoS, routes, security, and tools.
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Example for Configuring PoE

Example for Configuring PoE

Networking Requirements

On a live network shown in Figure 2-244, a switch serves as the access device, IP phones are deployed outdoors, and APs are installed on exterior walls of the office. No power supply is available for the IP phones or APs. Therefore, the user wants the switch to supply power to the IP phones and APs to save deployment costs.

AP1 provides wireless access for the office network of a bank and cannot be powered off. AP1 must have the highest power supply priority. The service volume on IP Phone1 is heavy, so IP Phone1 requires a high power supply priority and cannot be powered off unless in special situations.

Figure 2-244  PoE networking

Configuration Roadmap

Use a PoE switch and install a PoE power supply on the switch.

The configuration roadmap is as follows:

  1. Set global PoE parameters.

    Configure the automatic power management mode for the switch to flexibly manage the connected powered devices (PDs).

  2. Set PoE parameters on interfaces.

    • Configure the power supply priorities on GigabitEthernet0/0/2 and GigabitEthernet0/0/1 so that IP Phone1 and AP1 are supplied with power preferentially.
    • Configure the maximum output power of GigabitEthernet0/0/1, GigabitEthernet0/0/3, and GigabitEthernet0/0/2 to limit the power on these interfaces and ensure switch security if you know the power of IP Phone1, IP Phone2, and AP1.

Procedure

  1. In the navigation tree, choose System Management > PoE > Global Parameter Settings. The Global Parameter Settings tab page is displayed, as shown in Figure 2-245.

    Figure 2-245  Global Parameter Settings

  2. Set Power supply management mode to Auto, and click Apply.
  3. Click the Interface Parameter Settings tab. The Interface Parameter Settings tab page is displayed.
  4. Select an interface and click Configure. The Configure Power Parameters on Interface page is displayed, as shown in Figure 2-246.

    Figure 2-246  Configure Power Parameters on Interface

    Refer to Table 2-141 to set power parameters on GigabitEthernet0/0/1, GigabitEthernet0/0/2, and GigabitEthernet0/0/3.
    Table 2-141  Setting power parameters on interfaces

    Interface name

    Enable PoE on interface

    Max output power

    Power priority

    Manual power supply

    GigabitEthernet0/0/1

    Enable

    15000

    High

    Retain the default setting, and no action is required.

    GigabitEthernet0/0/2

    Enable

    20000

    Critical

    Retain the default setting, and no action is required.

    GigabitEthernet0/0/3

    Enable

    15000

    Retain the default setting, and no action is required.

    Retain the default setting, and no action is required.

  5. Click OK. The configuration is complete.
  6. In the navigation tree, click Save. In the dialog box that is displayed, click OK to save the configuration.
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Updated: 2019-04-18

Document ID: EDOC1000114003

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