Setting Basic Network Information 129
Managing DHCP Leases
Beginning in Privileged EXEC mode, use the following commands to manage 
and troubleshoot DHCP leases on the switch.
Command Purpose
release dhcp
 interface
Force the DHCPv4 client to release a leased address on the 
specified interface.
renew dhcp 
interface
Force the DHCP client to immediately renew an IPv4 
address lease.
show dhcp lease 
interface [
interface
]
Display IPv4 addresses leased from a DHCP server.
show ipv6 dhcp interface 
[
interface
]
Display information about the IPv6 DHCP information 
for all interfaces or for the specified interface.
debug dhcp packet Display debug information about DHCPv4 client activities 
and to trace DHCPv4 packets to and from the local 
DHCPv4 client.
debug ipv6 dhcp Display debug information about DHCPv6 client activities 
and to trace DHCPv6 packets to and from the local 
DHCPv6 client.