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NE20E-S V800R010C10SPC500 Feature Description - Interface and Data Link 01

This is NE20E-S V800R010C10SPC500 Feature Description - Interface and Data Link

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Network Management

Network Management

Scenario in Which an NMS Exists

In this scenario, management channels in the port extension system are NETCONF and SNMP channels, as shown in Figure 3-11.

  • NETCONF channel

    • NETCONF channel between master and the AP: The master establishes NETCONF channel to the AP. A master uses a NETCONF channel to deliver configurations, query commands (such as a command for querying the status of the AP's external communication interface), and maintenance commands (such as software package upgrade and AP restart commands) to the AP.

    • NETCONF channel between the NMS and master: The NMS uses this channel to deliver configuration or query tasks to the master. After the NETCONF channel between the NMS and master is connected to the NETCONF channel between the master and AP, the NMS can also deliver configuration or query tasks to the AP.

  • SNMP channel

    The master and the AP establish SNMP channels to the NMS and use the SNMP channels to report alarms to the NMS.

    SNMP channels use inband management. In inband management, the NMS uses the forwarding paths provided by managed devices to manage network devices. Services on a bearer network are usually carried over L3VPN to achieve reliable transmission of network management information.

    The principles are described as follows: A master communicates with the NMS through an interface board's service interface. AP-to-NMS packets enter the master's interface board and then are forwarded through the interface board.

Figure 3-11 Network management in the port extension system

The NMS provides the following functions in the port extension system:

  • Participates in AP PnP. For details, see AP PnP.

  • Provides configuration, maintenance, and information query for the master and APs.

  • Receives alarm information from the master and APs, helping network administrators for troubleshooting.

Scenario in Which No NMS Exists

In this scenario, only the NETCONF channel between a master and AP is involved. You can manage an AP on a master in either of the following modes:

  • Configure, query, and maintain an AP directly on a master. The master uses the NETCONF channel to deliver the operations to the AP.

  • Use STelnet on a master to log in to an AP, and then query and maintain the AP.

NOTE:

When using STelnet on a master to log in to an AP, you can perform only query operations (such as querying the status of the AP's external communication interface) and maintenance operations (such as upgrading a software package and restarting the AP). You can configure AP services directly on a master only.

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Updated: 2019-01-03

Document ID: EDOC1100055118

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