Commands used to release the IP lease of DHCP on USG firewalls

You can run the following commands to release the IP lease of DHCP on USG firewalls:
The specific lease duration is configurable. To release the lease, you can configure the lease period to limitless.
The configuration is as follows:
[sysname] interface GigabitEthernet0/0/1
[sysname-GigabitEthernet0/0/1] ip address 10.1.1.1 255.255.255.0
[sysname-GigabitEthernet0/0/1] dhcp server expired unlimited

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