How to split a CE switch stack

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If a stack is not required, split the stack to restore the member switches to standalone switches.
Split a CE12800 stack.
1. Disable the CSS function. After the CSS function is disabled, the member switches restart without a configuration file and automatically back up the CSS configuration file used before the CSS splits.
system-view
[~HUAWEI] stack
[~HUAWEI-stack] undo stack enable memeber all
2. Remove stack cables.


Split a stack of CE8800&CE7800&CE6800&CE5800 switches.

1. Back up the stack configuration file in case that the stack will be used again.
copy stack.cfg stack_copy.cfg all
2. Clear the configuration file for next start and restart the switch.
reset saved-configuration
The configuration will be erased to reconfigure.Continue? [Y/N]: y
reboot
Warning: The current configuration will be saved to the next startup saved-configuration file. Continue? [Y/N]: n
Warning: The system will reboot. Continue? [Y/N]: y
3. Remove stack cables.

Other related questions:
How to configure port split in a stack of CE switches
The port split procedure is the same in stack and non-stack scenarios. That is, run the port split command in the system view, save the configuration, and then restart the board or device.

Split stacks of S series fixed switches
Split a stack of S series fixed switches that is established in stack card connection mode as follows: 1. Run the save command to save the configuration. 2. Run the copy source-filename destination-filename all command to back up the configuration file to all the member switches. 3. Remove stack cables between the member switches. After the stack cables are disconnected, the stack splits. Part of the member switches restart. Remote login may fail because configurations such as the IP address of the stack member switches are the same. Log in to a switch through the console port and perform the following operations. 4. Run the system-view command to enter the system view. 5. Run the stack slot slot-id renumber 0 command to restore the stack ID of the member switch to the default value 0. 6. Power off all the member switches. 7. Remove the stack card. Split a stack of S series fixed switches that is established in service port connection mode as follows: 1. Run the save command to save the configuration. 2. Run the copy source-filename destination-filename all command to back up the configuration file to all the member switches. 3. Remove stack cables between the member switches. After the stack cables are disconnected, the stack splits. Part of the member switches restart. Remote login may fail because configurations such as the IP address of the stack member switches are the same. Log in to a switch through the console port and perform the following operations. 4. Run the system-view command to enter the system view. 5. Run the interface stack-port member-id/port-id command to enter the logical stack port view. 6. Run the shutdown interface { interface-type interface-number1 [ to interface-type interface-number2 ] } &<1-10> command to disable the physical member port. 7. Run the undo port interface { interface-type interface-number1 [ to interface-type interface-number2 ] } &<1-10> enable command to restore the physical member port to a service port. 8. Run the quit command to exit from the logical stack port. 9. Run the stack slot slot-id renumber 0 command to restore the stack ID of the member switch to the default value 0. 10. Power off all the member switches. Note: Steps 5 to 7 are performed to restore a stack port to a service port, and the operations are performed based on versions later than V200R002. For details about configuration in V200R002 and earlier versions

After a stack of S series fixed switches splits, the split stacks merge. Do I need to power off the master and standby switches
You do not need to power off the master and standby switches when stacks of S series fixed switches merge. You are advised to add a new switch to a stack during service idle time. Power off the new switch, configure the stack function on the switch, connect stack cables, and then power on the switch.

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