Reference Guide

88 | Dynamic Host Configuration Protocol (DHCP)
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Figure 7-4. show ip dhcp lease
Debugging DHCP Client Operation
To enable debug messages for DHCP client operation, enter the following debug commands:
Figure 7-5 shows an example of the packet- and event-level debug messages displayed for the packet transmissions
and state transitions on a DHCP client interface.
Task Command Syntax Command Mode
Enable the display of log messages for all DHCP packets
sent and received on DHCP client interfaces.
[no] debug ip dhcp client packets
[interface type slot/port]
EXEC Privilege
Enable the display of log messages for the following
events on DHCP client interfaces:
• IP address acquisition
• IP address release
• Renewal of IP address and lease time
• Release of an IP address
[no] debug ip dhcp client events
[interface type slot/port]
EXEC Privilege
FTOS# show ip dhcp
Interface Lease-IP Def-Router ServerId State Lease Obtnd At Lease Expires At
========= ======== ========= ======== ===== ============== ================
Ma 0/0 0.0.0.0/0 0.0.0.0 0.0.0.0 INIT -----NA----- ----NA----
Vl 1 10.1.1.254/24 0.0.0.0 10.1.1.1 BOUND 08-26-2011 04:33:39 08-27-2011 04:33:39
Renew Time Rebind Time
========== ========
----NA---- ----NA----
08-26-2011 16:21:50 08-27-2011 01:33:39