Reference Guide
110 | Dynamic Host Configuration Protocol (DHCP)
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Command
History
Usage
Information
When you enter the release dhcp command, although the IP address that was dynamically-acquired
from a DHCP server is released from an interface, the ability to acquire a new DHCP server-assigned
address remains in the running configuration for the interface. To acquire a new IP address, enter either
the renew dhcp command at the EXEC privilege level or the ip address dhcp command at the
interface configuration level.
renew dhcp interface
Re-acquire a dynamic IP address on an Ethernet interface enabled as a DHCP client.
Syntax
renew dhcp interface type slot/port
Parameters
Command Mode
EXEC Privilege
Default
None.
Command
History
Usage
Information
The renew dhcp command is used to renew the lease of IP address obtained through dhcp.
To display the currently configure dynamic IP address and lease time, enter the show ip dhcp lease
command.
show ip dhcp client statistics
Displays DHCP client statistics, including the number of DHCP messages sent and received on an
interface.
Syntax
show ip dhcp client statistics {all | interface type slot/port}
Parameters
Command Mode
EXEC Privilege
Default
None.
Version 8.3.17.0 Supported on M I/O Aggregator
interface type slot/
port
Enter any of the following keywords and slot/port or number to clear counters from
a specified interface:
• For the management interface on the stack-unit, enter the keyword
managementethernet followed by slot/port information. The slot and port
range is 0.
• For a VLAN, enter the keyword vlan followed by a number from 1 to 4094.
Version 8.3.17.0 Supported on M I/O Aggregator
all
Display DHCP client statistics on all DHCP client-enabled interfaces on the switch.
interface type slot/
port
Display DHCP client statistics on the specified interface.
• For the management interface on the stack-unit, enter the keyword
managementethernet followed by slot/port information. The slot and port
range is 0.
• For a VLAN, enter the keyword vlan followed by a number from 1 to 4094.