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

Table 122: 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