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Chapter 16. Managing Networks and Traffic
178
Case CIDR Network CIDR Reserved IP
Range for Non-
CloudPlatform
VMs
Description
CIDR field in the
UI.
3 10.1.1.0/24 None None Removing IP
Reservation
by the
UpdateNetwork
API with
guestvmcidr=10.1.1.0/24
or enter
10.1.1.0/24 in the
CIDR field in the
UI.
16.15.2. Limitations
• The IP Reservation is not supported if active IPs that are found outside the Guest VM CIDR.
• Upgrading network offering which causes a change in CIDR (such as upgrading an offering with no
external devices to one with external devices) IP Reservation becomes void if any. Reconfigure IP
Reservation in the new re-implemeted network.
16.15.3. Best Practices
Apply IP Reservation to the guest network as soon as the network state changes to Implemented. If
you apply reservation soon after the first guest VM is deployed, lesser conflicts occurs while applying
reservation.
16.15.4. Reserving an IP Range
1. Log in to the CloudPlatform UI as an administrator or end user.
2. In the left navigation, choose Network.
3. Click the name of the network you want to modify.
4.
In the Details tab, click Edit.
The CIDR field changes to editable one.
5. In CIDR, specify the Guest VM CIDR.
6. Click Apply.
Wait for the update to complete. The Network CIDR and the Reserved IP Range are displayed on
the Details page.
16.16. Configuring Multiple IP Addresses on a Single NIC
CloudPlatform provides you the ability to associate multiple private IP addresses per guest VM NIC.
In addition to the primary IP, you can assign additional IPs to the guest VM NIC. This feature is