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    Monitoring DHCP Local Address Pools

    Purpose

    Display the DHCP local pool configurations.

    Action

    To display information about the local address pool:

    host1#show ip dhcp-local pool
    
    *****************************************
    Pool Name - ispBoston
    Pool Id - 6
    Domain Name - ispBoston
    Network - 10.10.0.0
    Mask - 255.255.255.0
    NETBIOS Node Type - 1
    Lease - Days:0 Hours:0 Minutes:24 Seconds:0
    Grace Period - Days:0 Hours:0 Minutes:10 Seconds:0 
    Grace period for released leases enabled 
    DNS Servers
       10.10.1.1
    NETBIOS Name Servers
       10.10.1.1
       10.10.1.2
    Default Routers
       10.10.1.3
    Server Address - 10.10.20.8 
    Linked Pool - cable5
    High utilization threshold - 85%
    Abated utilization threshold - 75%
    Current utilization - 0%
    Utilization trap disabled.
    Shared pool allocations - 25

    To display information about local address pool groups:

    host1#show ip dhcp-local pool groups
    
      DHCP Local Server Pool Groups
    There is 1 group configured
    *****************************************
    Group Name: pool8_7-1-Group
        Total Addresses Available: 145
        Total Addresses In Use:    0
        High Utilization Thresh:   85%
        Abated Utilization Thresh: 75%
        Current Utilization:       0%
        Trap Enabled:              no
        ====== Pools ======
            pool8_7-1
            pool8_7-2
            pool8_7-3
            pool8_7-4
            pool8_7-5

    Meaning

    Table 1 lists the show ip dhcp-local pool command output fields.

    Table 1: show ip dhcp-local pool Output Fields

    Field Name

    Field Description

    Pool Name

    Name of the DHCP local pool

    Pool Id

    ID of the pool

    Domain Name

    Domain name assigned to the pool

    Network

    Addresses that the DHCP local server can provide from the pool

    Mask

    Subnet mask that goes with the network address

    NETBIOS Node Type

    Type of NetBIOS server:

    1 = Broadcast

    2 = Peer-to-peer

    4 = Mixed

    8 = Hybrid

    Lease

    Time for which the supplied IP address is valid

    Grace Period

    Length of grace period

    Grace period for released leases

    Status of the grace period for released leases; enabled or disabled

    DNS Servers

    Address of each DNS server assigned to the pool

    NETBIOS Name Servers

    NetBIOS server assigned to subscribers

    Default Routers

    Address of default router used for subscribers

    Server Address

    DHCP server address that is sent to subscribers

    Linked Pool

    Names of any pools that are linked to this pool

    High utilization threshold

    Threshold at or above which the utilization trap is triggered, if the trap is enabled

    For linked pools, utilization is calculated based on the usage of all pools in the group

    Abated utilization threshold

    Threshold below which the utilization trap is triggered, if the trap is enabled

    For linked pools, utilization is calculated based on the usage of all pools in the group

    Current utilization

    Percentage of local address pools currently used

    For linked pools, utilization is calculated based on the usage of all pools in the group

    Utilization trap

    Status of the utilization trap which is generated when the high utilization, abated utilization, or 100% utilization is reached

    For linked pools, utilization is calculated based on the usage of all pools in the group

    Shared pool allocations

    Number of addresses allocated to shared pools

    Group Name

    Group name; based on the name of the original pool

    Total Addresses Available

    Number of addresses in the group

    Total Addresses In Use

    Number of addresses currently being used

    Trap Enabled

    Status of utilization trap, yes or no

    Pools

    Names of pools in the group

     

    Related Documentation

     

    Published: 2014-08-20