To add an IP group:

1. Select a tab to which an IP group is to be added.
2. Click the Add button.
   According to the selected tab, the Add IP Group, Add Group-Specific IP Group, or Add Location-Specific IP Group dialog box appears.
   An item identified by a star () is mandatory.
   When specifying IP address range, make sure that the number of IP addresses in the range does not exceed 1,024.
   To cancel, click the Close button.
   

   Note

   On the same page, no IP group can have an overlapping IP address range. IP groups on different pages may have overlapping address ranges. If you create IP groups with overlapping address ranges on different pages, make sure that the same IP address on different pages has different DHCP server usage settings. IP addresses in an IP group that uses the DHCP server are treated as unused IP addresses, even when they are fixed.

3. Click the OK button.
   The IP group is registered based on the specified information.
   The following figure shows the IP Group - Add Group-Specific IP Group dialog box in which information about the IP group to be registered is specified.
   

   Figure 10-55 IP Group - Add Group-Specific IP Group dialog box

   

To view information from the IP group search list on each page, such as the usage condition of IP addresses in a group and IP address assignment target:

1. In the IP group search list on each page, click the IP address range link.
   The IP Address Management dialog box appears, showing the usage condition of IP addresses in the group and IP address assignment target.
   

   Narrowing the list by usage condition

   From the pull-down list, select Unused, Used, or Used (multiple only) and then click the Show button.

   Checking the devices sharing the same IP address

   Click the Used (multiple only) link in the Usage condition column.

   The IP Address Management - Device List dialog box appears, showing a list of devices sharing the same IP address.

   To release the assignment, select the Asset No. check box and then click the Cancel button.

   Displaying information about devices and users

   Clicking the Asset No. or User name link displays the Device Details dialog box or User Details dialog box, respectively, containing detailed information.

2. Click the Close button.
   The IP Address Management dialog box closes.
   The following shows the IP Address Management dialog box:
   

   Figure 10-56 IP Address Management dialog box

   

To assign IP addresses to devices:

1. In the IP group search list on each page, click the IP address range link.
   The IP Address Management dialog box appears.
   
2. Click the link to the IP address that you want to assign to device.
   The IP Address Management - Asset Assignment dialog box appears.
   
3. If necessary, specify the search condition and click the Search button.
   The devices with no IP address assigned are searched to retrieve the device satisfying the condition.
   To cancel, click the Close button.
   
4. Select a device from the search result and then click the Assign button.
   The IP address is assigned to the selected device.
   The following shows the IP Address Management - Asset Assignment dialog box with the devices searched:
   

   Figure 10-57 IP Address Management - Asset Assignment dialog box

   

To release IP addresses assigned to devices:

1. In the IP group search list on each page, click the IP address range link.
   The IP Address Management dialog box appears.
   
2. Click the Usage condition link for the IP address for which you want to release the assignment.
   The IP Address Management - Device List dialog box appears.
   To cancel, click the Close button.
   
3. Select the Asset No. check box for the device whose assignment is to be released, and then click the Cancel button.
   The assignment of IP address to the selected device is released.
   The network information that contains the released IP address is deleted as follows:
   
   • If DHCP server name has been registered or at least one of MAC address, Host name, and Computer name has been registered, the network information is deleted, unless there is a corresponding value when inventory information is acquired.
   • If none of DHCP server name, MAC address, Host name, or Computer name has been registered, the network information is deleted when the assignment is released.

To download the IP address usage condition for each IP group as a CSV file:

1. In the IP group search list on each page, click the IP address range link.
   The IP Address Management dialog box appears.
   To cancel, click the Close button.
   
2. From the pull-down list, select the IP address usage condition that you want to download and then click the CSV button.
   IP address, Asset No., User name, and Device type for the IP addresses that match the selected usage condition are output to a CSV file.
   If the selected usage condition is blank, Used, or Used (multiple only), a dialog box appears, asking whether or not to output information about all devices assigned to each IP address.
   To output information about the IP address and about all devices using the IP address, click the Yes button.
   To output information about the IP address and about one device using the IP address, click the No button. If there is no need to output information about all devices, such as when you are only checking whether or not a particular IP address is in use, click the No button.
   To cancel, click the Cancel button.
   

To delete an IP group on each page:

1. On the IP group search list on each page, select the check box for the IP group that you want to delete.
2. Click the Delete button.
   A confirmation message dialog box appears. Clicking the OK button deletes the IP group.