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Configuration Guide - Device Management

S2720, S5700, and S6720 V200R013C00

This document describes the configurations of Device Management, including device status query, hardware management, Stack, SVF, cloud-based management, PoE, monitoring interface, OPS, energy-saving management, information center, fault management, NTP, synchronous ethernet, PTP.
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Example for Adding a Member Switch to a Stack (Stack Card Connection)

Example for Adding a Member Switch to a Stack (Stack Card Connection)

Networking Requirements

As shown in Figure 3-47, switches A to C set up a stack to provide access service to users. The stack connects to SwitchD through an inter-chassis Eth-Trunk. SwitchA, SwitchB, and SwitchC are the master, standby, and slave switches respectively, with stack IDs of 0, 1, 2 and stack priorities of 200, 100, 100, respectively. As the number of users increases, the current stack cannot provide sufficient ports for user access.

SwitchE needs to be added to the stack to increase the number of ports. Figure 3-48 shows the topology of the new stack.

The S5720-EI series switches are used on the network.

Figure 3-47  Before the new member switch is added to the stack
Figure 3-48  After the new member switch is added to the stack

Configuration Roadmap

  1. Analyze physical connections between original stack member switches to determine where to add the new member switch.

  2. Set a stack ID for SwitchE.

  3. Power off SwitchE. Use QSFP+ high-speed copper cables to connect physical stack member ports according to Figure 3-48, and then power on SwitchE.

    NOTE:

    Connect port STACK 1 of one switch to port STACK 2 of another switch.

  4. Add the uplink port of SwitchE to the inter-chassis Eth-Trunk.

Procedure

  1. Determine the location for the new member switch.

    # The stack in this example has a ring topology. To add the new member switch to the stack, tear down the link between SwitchA and SwitchC to change the stack topology to a chain topology, and then connect SwitchE to SwitchA and SwitchC.

    NOTE:

    If the member switches are running a software version earlier than V200R001, do not tear down the link between the master and standby switches, as this will result in reelection in the stack.

  2. Set a stack ID for the new member switch.

    # Set the stack ID of SwitchE to 3.

    <HUAWEI> system-view
    [HUAWEI] sysname SwitchE
    [SwitchE] stack slot 0 renumber 3
    Warning: All the configurations related to the slot ID will be lost after the slot ID is modified.
    Do not frequently modify the slot ID because it will make the stack split. Continue? [Y/N]:y
    Info: Stack configuration has been changed, and the device needs to restart to make the configuration effective.

  3. Power off SwitchE, use QSFP+ high-speed copper cables to connect physical stack member ports on SwitchE to corresponding physical member ports on SwitchA and SwitchC according to Figure 3-48, and then power on SwitchE.

    NOTE:

    Run the save command to save the configuration before you power off SwitchE.

  4. Check basic stack information. The command output shows that the roles of original stack member switches remain unchanged and SwitchE becomes a slave switch.

    <SwitchA> display stack
    Stack mode: Card   
    Stack topology type : Ring
    Stack system MAC: 0018-82d2-2e85
    MAC switch delay time: 10 min
    Stack reserved VLAN : 4093
    Slot of the active management port: -- 
    Slot     Role        Mac Address      Priority   Device Type
    -------------------------------------------------------------
        0     Master      0018-82d2-2e85   200        S5720-36C-EI-AC
        1     Standby     0018-82c6-1f44   100        S5720-36C-EI-AC
        2     Slave       0018-82c6-1f4c   100        S5720-36C-EI-AC
        3     Slave       0018-82c6-1f4a   100        S5720-36C-EI-AC

  5. Add the uplink port of SwitchE to the inter-chassis Eth-Trunk.

    For details about the configuration, see Example for Configuring Stack Eth-Trunks.

Configuration Files

The stack configuration is written to the flash memory.

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Updated: 2019-04-20

Document ID: EDOC1100065674

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