How does an AR reclaim IP addresses

You can manually reclaim IP addresses that cannot be released due to exceptions. The reclaimed IP addresses become idle and can be re-allocated to clients. The command is as follows: reset ip pool { interfacepool-name | nameip-pool-name } { start-ip-address [ end-ip-address ] | all | conflict | expired | used } Conflicting, expired, and used IP addresses can be reclaimed.
To reclaim the allocated IP address of 10.1.1.5 that has been bound to a MAC address, use the following method:
- For the global address pool
<Huawei> reset ip pool name pool1 used //Release the allocated IP address.
<Huawei> system-view   //If IP addresses are not bound to MAC addresses, you do not need to perform the following operations.
[Huawei] ip pool pool1
[Huawei-ip-pool-pool1] undo static-bind ip-address 10.1.1.5 //Remove the static binding.
- For the address pool:
<Huawei> reset ip pool interface vlanif100 used //Release the allocated IP address.
<Huawei> system-view   //If IP addresses are not bound to MAC addresses, you do not need to perform the following operations.
[Huawei] interface vlanif 100  
[Huawei-Vlanif100] undo dhcp server static-bind ip-address 10.1.1.5  //Remove the static binding.
Note: If a used IP address is within the IP address range specified by the command, performing the preceding operations may cause unexpected logout.

Other related questions:
Reclaim IP addresses on S series switch
How is the IP address of an AR queried
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