Whether the undo add address command can delete preset IP addresses in predefined regions

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The undo add address command cannot delete preset IP addresses in predefined regions.
To override a preset IP address in a predefined region, add this IP address to another region if you know the region of the IP address or add the address to the region named "unknown-zone" if you do not know the region of the IP address.

Other related questions:
Whether IP addresses to be added can overlap with existing IP addresses of other regions
They can overlap with each other. If an IP address to be added overlaps with an IP address of another user-defined or predefined region, the adding operation succeeds, and the overlapping IP address is automatically removed from this another predefined or user-defined region.

How do I delete a service IP address on the SC?
To delete a service IP address on the SC, perform the following operations: 1. Run the system-view command to enter the system view. 2. Run the security-config command to enter the security-config view. 3. Run the service-ip command to enter the service-ip view. 4. Run the delete ip ip command to delete a service IP address.

Whether predefined applications can be modified or deleted
Predefined applications cannot be modified or deleted. You can obtain the latest predefined applications by periodically updating the application signature database.

Whether IPv6 addresses are supported in region configuration
Only IPv4 addresses are supported.

How to delete static IP addresses in the global address pool on S series address
For S series switches, use the following method to delete static IP addresses in the global address pool: In the global address pool, run the undo static-bind [ ip-address ip-address | mac-address mac-address ] command to delete static IP addresses. - Delete static IP addresses based on the IP address. [HUAWEI] ip pool global1 [HUAWEI-ip-pool-global1] undo static-bind ip-address 10.10.10.10 - Delete static IP addresses based on the MAC address. [HUAWEI] ip pool global1 [HUAWEI-ip-pool-global1] undo static-bind mac-address dcd2-fc96-e4c0

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