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S12700 V200R010C00 Configuration Guide - Device Management

This document describes the principles and configurations of the Device Management features, and provides configuration examples of these features.
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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).
Installing Hardware and Connecting Cluster Cables

Installing Hardware and Connecting Cluster Cables

Hardware Installation

Install CSS cards, SFUs and MPUs according to card installation instructions. If MPUs or SFUs have integrated CSS cards, CSS cards do not need to be installed.

NOTE:

VS08 CSS cards are hot swappable. You can install or remove them regardless of whether SFUs are running.

Connecting Cluster Cables

Preparations

  • Required components: electrical cables or optical modules with matching optical fibers or AOC cables
  • Required tools: cable ties, fiber binding tapes, labels, and an ESD wrist strap (or ESD gloves)

Precautions

When removing or connecting an optical fiber, do not look into the optical port without eye protection. The laser emitted from the optical port can injure your eyes.

  • Take ESD protection measures before the installation.
  • Prevent the cables from being twisted.
  • Insert or remove optical fibers carefully to prevent damage to optical fiber connectors.
  • Ensure that the bend radius of an optical fiber or electrical cable is larger than its minimum bend radius. The minimum bend radiuses of QSFP+ cables, SFP+ to SFP+ cables, and AOC cables are 50.8 mm, 25 mm, and 30 mm respectively. The bend radius of optical fibers is generally larger than or equal to 40 mm.
  • Clean the optical fiber connector with alcohol swab or air-laid paper along one direction, if the connector is dirty.
  • Push the connector inward gently first, and then pull the handle on the electrical cable to remove it.

Procedure

  1. Wear an ESD wrist strap and connect the ground terminal to the ESD jack on the chassis.
  2. Attach labels to both ends of a cluster cable according to Figure 8-26 and number these labels starting from 1.
    Figure 8-26  Attaching labels
  3. Connect cluster cables according to connection rules, which are selected based on the switch model and CSS card model.
    • When you hear a click, the electrical cable, optical module, or optical fiber is installed properly.
    • When removing the electrical cable, optical module, or optical fiber, push the connector or handle inward first, and then pull it out.
    Figure 8-27  VS08 CSS card connections (applicable to S12708&S12712)
    Figure 8-28  VS08 CSS card connection (applicable to S12704)
    NOTE:

    Follow these rules when connecting VS08 CSS cards:

    • One CSS card can only be connected to one CSS card in the other chassis. It cannot be connected to different CSS cards in the other chassis or a CSS card in the local chassis.
    • A port in group 1 of a VS08 CSS card can be connected to any port in group 1 of the VS08 CSS card in the other chassis. The requirements for ports in group 2 are the same.
    • At least one SFU needs to be installed in each chassis, and each SFU must have at least one cluster cable connected to the other chassis. To ensure reliability, you are advised to install two SFUs in each chassis and connect each SFU using at least two cluster cables. Ensure that all SFUs are connected using cluster cables.
    • It is recommended that CSS cards have the same number of cluster cables connected and that ports on CSS cards be connected sequentially based on their port numbers. If CSS cards have different numbers of cluster cables connected, the cluster bandwidth will decrease. If SFUDs are installed, it is recommended that CSS cards have an even number of cluster cables connected.
    Figure 8-29  SFUB-integrated CSS card connections (applicable to S12704&S12708&S12712)
    NOTE:

    Follow these rules when connecting SFUB-integrated CSS cards (applicable to S12704&S12708&S12712):

    • One CSS card can only be connected to one CSS card in the other chassis. It cannot be connected to different CSS cards in the other chassis or a CSS card in the local chassis.
    • If one chassis uses SFUB cards and the other chassis uses SFUA, SFUC, or SFUD cards, only 4*10G ports on an SFUB card can be connected to the four ports in group 1 on a VS08 CSS card in the other chassis (in any sequence).
    • If the two chassis use SFUB cards, 4*10G ports on SFUB cards in the two chassis can be connected in any sequence, and 40G ports on SFUB cards in the two chassis can be connected.
    • At least one SFU needs to be installed in each chassis, and each SFU must have at least one cluster cable connected to the other chassis. To ensure reliability, you are advised to install two SFUs in each chassis and connect multiple cluster cables. Ensure that all SFUs are connected using cluster cables.
    Figure 8-30  S12710 integrated CSS card connections (using 4*10G ports and 40G ports)

    NOTE:
    Follow these rules when connecting S12710 integrated CSS cards:
    • On the S12710, the local and peer chassis can be connected using either MPUs or SFUs or both MPUs and SFUs. MPUs or SFUs in one chassis can only be connected to the same type of cards (MPUs or SFUs) in the other chassis.
    • MPU-integrated and SFU-integrated CSS cards have two types of ports: 4*10G ports and 40G port. 10G ports with the same port number must be connected, as shown in the preceding figure. For example, port 1 in blue on the left chassis must be connected to port 1 in blue on the right chassis.
    • The two chassis can set up a CSS as long as they are connected by one cluster cable. To ensure reliability, it is advised to connect multiple cluster cables. Ensure that all SFUs are connected using cluster cables.
    • To support 1+N MPU backup, ensure that SFUs are connected using cluster cables.
  4. Arrange the cables in order and bundle the cables with a cable divider.
  5. To power on the switches, ensure that power cables and ground cables are correctly connected and then switch on the external power modules and built-in power modules in turn.

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Updated: 2019-08-21

Document ID: EDOC1000142080

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