Monitoring the Maximum Number of Available Leases

Purpose

Display the maximum number of leases available for each VPI/VCI, VLAN, Ethernet subnetwork, or POS access interface type, or for a specific interface or subinterface.

Action

To display the maximum number of leases available for each interface type:

host1(config)#show ip dhcp-local limits
*****************************************
     DHCP Local Server Address Limits
ATM Limit      - 48000
VLAN Limit     - 48000
POS Limit      - 1000
Ethernet Limit - 48000

To display information about the maximum number of leases for a specific interface:

host1(config)#show ip dhcp-local limits interface atm 3/1
        Dhcp Local Interface Limits
        ---------------------------
                                     Total
Interface   Limit   Count   Denied   Denied
---------   -----   -----   ------   ------   
atm 3/1     300     127     5        29 

To display information about the maximum number of leases on all interfaces:

host1(config)#show ip dhcp-local limits interface
           Dhcp Local Interface Limits
           ---------------------------
                                          Total
Interface        Limit   Count   Denied   Denied
---------        -----   -----   ------   ------   
fastEthernet0/0  200     0       0        0
atm 3/1          300     127     5        29
atm 4/2          5000    0       0        0  
atm 5/1          5000    15      2        5
pos 2/1          1000    0       0        0

Meaning

Table 140 lists the show ip dhcp-local limits command output fields.

Table 140: show ip dhcp-local limits Output Fields

Field Name

Field Description

ATM Limit

Number of leases available for each VPI/VCI

VLAN Limit

Number of leases available for each VLAN

POS Limit

Number of leases available for each POS access interface

Ethernet Limit

Number of leases available for each Ethernet subnet

Limit

Number of leases available to the specified interface or subinterface; indicates the configured value for the interface type unless a specific lease value is configured for the particular interface

Count

Number of active leases on the interface

Denied

Number of lease requests denied during the current denial period; this number is reset to zero (and the denial period restarted) when the number of active leases no longer exceeds the configured limit

Total Denied

Total number of lease requests denied on the interface since the interface became active

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