Cisco Cisco Prime Network Registrar 8.1 User Guide
Cisco Prime Network Registrar IPAM 8.1.1 User Guide
148 Low Pool Report
Field
Description
InUse/Deployed or InUse/Fully Assigned.
Unallocated
The number of IP Addresses that are still available for allocation from this
block.
Reserved
The number of IP Addresses from this block that have a reserved status.
Assigned
The number of IP Addresses from this block that has been assigned either
dynamically, statically, or is in a locked state.
Locked
The number of IP Addresses that are locked.
Alloc %
The percent of this block that is allocated. This is equal to the (number
allocated / blocksize hosts) * 100.
Util %
The percent of this block that is utilized. This is calculated by taking the
(number assigned / number of addressable hosts) * 100. Number of
addressable hosts is determined by taking the total blocksize and subtracting
all addresses lost due to subnet assignment, such as the subnet and broadcast
address.
6.2
Low Pool Report
The Low Pool Report displays the address pools or blocks that are high in utilization, and/or
have a low number of IP addresses available.
6.2.1 Low Pool Report Selection
When you select the Low Pool Report function, a selection screen is displayed that allows you
When you select the Low Pool Report function, a selection screen is displayed that allows you
to select how you want to filter the blocks that are displayed.
Table 6-2 Low Pool Report Selection Screen Elements
Field
Description
Block Type
Select a specific block type to report against, or select “All Block Types”.
IP Version
Choose whether IPv4 or IPv6 is used as a filter.
Page Size
Page Size controls how many lines of the report are displayed at a time.
Percent free
Select the radio button next to this option to filter the report by blocks that
have less than the specified percent free space. Enter the percent free (1-100)
blocks that have less than the specified amount to be displayed in the report.
Available IPs
Select the radio button next to this option to filter the report by blocks that
have less than the specified number of IP Addresses free. Enter the
“Available IPs”, and blocks that have less than the specified amount to be
displayed in the report.
Days Remaining and
Correlation Coefficient
Select the radio button next to this option to filter the report by blocks that
have less than the specified days remaining before running out of address
space. Enter the days remaining, and the correlation coefficient (r2). The
correlation coefficient is between 0.0 and 1.0 and indicates the confidence in
the regression. A 1.0 specifies a perfect fit. Blocks that have less than the
specified number of days remaining with free space are displayed in the report.
This option uses the regression analysis and the forecasting algorithm that is
built into Cisco Prime Network Registrar IPAM.