Changing the Stack ID

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Networking Requirements

In Figure 4-17, the stack IDs of stack members are 3, 1, and 2 from top to bottom. These stack IDs need to be planned again based on the location to facilitate device management.

Figure 4-17  Networking diagram 
imgDownload?uuid=6d2e0a3f3acf42d2bd5a4c0Check information about the stack members with the stack IDs.

<Stack> display stack Stack mode: Service-port                                                       Stack topology type: Ring                                                        Stack system MAC: 0018-82b1-6eb4                                                 MAC switch delay time: 10 min                                                     Stack reserved VLAN: 4093                                                        Slot of the active management port: 3 Slot    Role        MAC address       Priority   Device type -------------------------------------------------------------     3   Master      0018-82b1-6eb4   200          S5720-28X-LI-AC     1   Standby     0018-82b1-6eba   150          S5720-28X-LI-AC     2   Slave       0018-82b1-6ebb   150          S5720-28X-LI-AC

The stack IDs need to be changed according to the following rules: After the change, check whether the change is correct based on the MAC addresses of the devices.

  • Slot 3 → Slot 1
  • Slot 1 → Slot 2
  • Slot 2 → Slot 3

imgDownload?uuid=217198c1c5bd46cdab47eea NOTE:

To change the stack IDs, you need to restart the devices, which interrupts services. Therefore, perform this operation in a specified period.

Procedure

  1. Shut down the uplink and downlink ports of the stack to isolate the stack from the network.

    <Stack> system-view [Stack] interface gigabitethernet 3/0/8 [Stack-GigabitEthernet3/0/8] shutdown [Stack-GigabitEthernet3/0/8] quit [Stack] interface gigabitethernet 1/0/9 [Stack-GigabitEthernet1/0/9] shutdown [Stack-GigabitEthernet1/0/9] quit [Stack] interface gigabitethernet 2/0/5 [Stack-GigabitEthernet2/0/5] shutdown [Stack-GigabitEthernet2/0/5] quit [Stack] interface gigabitethernet 3/0/6 [Stack-GigabitEthernet3/0/6] shutdown [Stack-GigabitEthernet3/0/6] quit

  2. After the stack IDs are changed, the configurations of the interfaces with the original stack IDs will be lost. Therefore, you need to perform the same configurations on the new interfaces before changing the stack IDs.

    For example: The configurations of the interfaces with the original stack IDs are as follows:
    # interface GigabitEthernet3/0/6  description ToPC                                                                                                                     port link-type access                                                                                                                port default vlan 10   # interface GigabitEthernet3/0/8  eth-trunk 10 # interface GigabitEthernet1/0/9  eth-trunk 10 # interface GigabitEthernet2/0/5  description ToIPPhone-01                                                                                                                     port link-type access                                                                                                                port default vlan 20   # 
    Change the configurations of these interfaces to the configurations of the interfaces with the new stack IDs.
    [Stack] interface gigabitethernet 1/0/6  // Correspond to GE3/0/6. [Stack-GigabitEthernet1/0/6] description ToPC [Stack-GigabitEthernet1/0/6] port link-type access [Stack-GigabitEthernet1/0/6] port default vlan 10 [Stack-GigabitEthernet1/0/6] quit [Stack] interface gigabitethernet 1/0/8  // Correspond to GE3/0/8. [Stack-GigabitEthernet1/0/8] eth-trunk 10 [Stack-GigabitEthernet1/0/8] quit [Stack] interface gigabitethernet 2/0/9  // Correspond to GE1/0/9. [Stack-GigabitEthernet2/0/9] eth-trunk 10 [Stack-GigabitEthernet2/0/9] quit [Stack] interface gigabitethernet 3/0/5  // Correspond to GE2/0/5. [Stack-GigabitEthernet3/0/5] description ToIPPhone-01 [Stack-GigabitEthernet3/0/5] port link-type access [Stack-GigabitEthernet3/0/5] port default vlan 20 [Stack-GigabitEthernet3/0/5] quit

  3. Change the stack IDs, save the configurations, and restart the switches.

    [Stack] stack slot 3 renumber 1 Info: The assigned slot ID already exists in the stack system.  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. [Stack] stack slot 1 renumber 2 Info: The assigned slot ID already exists in the stack system.  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. [Stack] stack slot 2 renumber 3 Info: The assigned slot ID already exists in the stack system.  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. [Stack] quit <Stack> save The current configuration will be written to flash:/vrpcfg.zip.                                                                      Are you sure to continue?[Y/N]y                                                                                                      Now saving the current configuration to the slot 3.........                                                                          Save the configuration successfully.                                                                                                 Now saving the current configuration to the slot 1.                                                                                  Save the configuration successfully.                                                                                                 Now saving the current configuration to the slot 2.                                                                                  Save the configuration successfully.                  <Stack> reboot Info: The system is now comparing the configuration, please wait...................                                                  Info: If want to reboot with saving diagnostic information, input 'N' and then execute 'reboot save diagnostic-information'.         System will reboot! Continue?[Y/N]:y

  4. After the restart is complete, check whether the stack status, stack IDs, and interface configurations are correct. If the configurations on the interfaces are incorrect, reconfigure the interfaces.

    <Stack> display stack Stack mode: Service-port                                                       Stack topology type: Ring                                                        Stack system MAC: 0018-82b1-6eb4                                                 MAC switch delay time: 10 min                                                     Stack reserved VLAN: 4093                                                        Slot of the active management port: 1 Slot    Role        MAC address       Priority   Device type -------------------------------------------------------------     1   Master      0018-82b1-6eb4   200          S5720-28X-LI-AC     2   Standby     0018-82b1-6eba   150          S5720-28X-LI-AC     3   Slave       0018-82b1-6ebb   150          S5720-28X-LI-AC

  5. If the configurations are correct, enable the uplink and downlink ports of the stack.

    <Stack> system-view [Stack] interface gigabitethernet 1/0/8 [Stack-GigabitEthernet1/0/8] undo shutdown [Stack-GigabitEthernet1/0/8] quit [Stack] interface gigabitethernet 2/0/9 [Stack-GigabitEthernet2/0/9] undo shutdown [Stack-GigabitEthernet2/0/9] quit [Stack] interface gigabitethernet 3/0/5 [Stack-GigabitEthernet3/0/5] undo shutdown [Stack-GigabitEthernet3/0/5] quit [Stack] interface gigabitethernet 1/0/6 [Stack-GigabitEthernet1/0/6] undo shutdown [Stack-GigabitEthernet1/0/6] quit

See more please click 

https://support.huawei.com/enterprise/en/doc/EDOC1000069520/9aadccc0/comprehensive-configuration-examples

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