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_7-5Meaning
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 |
