H3C s3100 series Command Manual page 521

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Parameters
ip ip-address: Specifies an IP address.
pool [ pool-name ]: Specifies a global address pool. The pool-name argument, a string of 1 to 35
characters, is the name of an address pool. If you do not provide this argument, this command applies
to all global address pools.
interface [ interface-type interface-number ]: Specifies a VLAN interface. If you do not specify a VLAN
interface, this command applies to all VLAN interfaces.
all: Specifies all DHCP address pools.
Description
Use the display dhcp server expired command to display the lease expiration information about one
IP address, or the lease expiration information about all IP addresses in one or all DHCP address pools.
When all the IP addresses in an address pool are assigned, the DHCP server assigns the expired IP
addresses to DHCP clients.
Examples
# Display the lease expiration information about the IP addresses in all DHCP address pools.
<Sysname> display dhcp server expired all
Global pool:
IP address
Interface pool:
IP address
--- total 0 entry ---
Client-identifier/
Hardware address
Client-identifier/
Hardware address
Lease expiration
Lease expiration
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Type