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# Update the IDs returned in a range for virtual MAC addresses

If there are IDs that are no longer in use, and you want to make them available, you can update the returned IDs.

To update a virtual MAC address range, perform a `PUT` operation to reapply all of the virtual MAC address attributes. View the virtual MAC address range attributes by using a `GET` operation, edit the attributes, and then perform a `PUT` operation using all of the attributes.

### Prerequisites

- Minimum required session ID privileges: Infrastructure administrator, Network administrator, or Server administrator

Updating the IDs returned in a range for virtual MAC addresses
Select a virtual MAC address range URI. `GET /rest/id-pools/vmac` Get the virtual MAC address range and note the `collectorUri`. `GET /rest/id-pools/vmac/ranges/`{id}`` Update the returned IDs using the `collectorUri` from step 2. `PUT /rest/id-pools/vmac/ranges/`{id}`/collector`

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