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Monitoring DHCP Local Server Leases

Purpose

Display lease information for a specific IP address or for all DHCP local server leases.

Action

To display information about a specific DHCP local server lease:

host1#show ip dhcp-local leases 192.168.0.3

                          Dhcp Local Leases
                          -----------------
Address            Hardware         Lease          Initiated/Renewed
------------   -----------------   --------   ----------------------------
192.168.0.3    10-06-10-00-10-33   120        THU SEP 08 2005 08:02:11 UTC

Address                 Expiration            Remaining
------------   ----------------------------   ---------
192.168.0.3    THU SEP 08 2005 08:04:11 UTC   79

Address            Initial Lease Start
------------   ----------------------------
192.168.0.3    THU SEP 08 2005 08:01:12 UTC

To display information about all DHCP local server leases:

host1#show ip dhcp-local leases

                          Dhcp Local Leases
                          -----------------
Address            Hardware         Lease          Initiated/Renewed
------------   -----------------   --------   ----------------------------
192.168.0.2    10-06-10-00-10-32   120        THU JUL 06 2006 08:02:11 UTC
192.168.0.3    10-06-10-00-10-33   120        THU JUL 06 2006 08:02:11 UTC
192.168.55.4   10-06-10-00-10-34   (600)      THU JUL 06 2006 09:57:22 UTC
192.168.55.5   10-06-10-00-10-35   infinite   THU JUL 06 2006 08:03:10 UTC
Address                 Expiration            Remaining
------------   ----------------------------   ---------
192.168.0.2    THU JUL 06 2006 08:04:11 UTC   80
192.168.0.3    THU JUL 06 2006 08:04:11 UTC   80
192.168.55.4   THU JUL 06 2006 10:07:22 UTC   575
192.168.55.5   THU JUL 06 2006 08:04:11 UTC   infinite
Address            Initial Lease Start
------------   ----------------------------
10.1.0.2       THU JUL 06 2006 08:01:12 UTC
10.1.0.3       THU JUL 06 2006 08:01:12 UTC
192.168.55.4   THU JUL 06 2006 09:54:19 UTC
192.168.55.5   THU JUL 06 2006 08:03:10 UTC

Meaning

Table 111 lists the show ip dhcp-local leases command output fields.

Table 111: show ip dhcp-local leases Output Fields

Field Name	Field Description
Address	IP address
Hardware	MAC address of the subscriber’s computer
Lease	Infinite, or the number of seconds in which the IP address is available; grace period in parentheses for clients in the grace period
Initiated/Renewed	Day, date, and time the lease was most recently initiated or renewed; start time of grace period for clients in the grace period
Expiration	Day, date, and time the lease expires; expiration time of grace period for clients in the grace period
Remaining	Infinite, or the number of seconds remaining in the lease, if any; remaining time of grace period for clients in the grace period
Initial Lease Start	Day, date, and time the lease was initiated

Monitoring DHCP Local Server Leases

Purpose

Action

Meaning

Related Topics