# Network Instance Management

## Associate Network Instances  

**Prerequisites**  
A target UGN instance and network instances to be bound must already be created.  

**Steps**  
Network instances can be associated when creating a UGN instance. For details, see [Create UGN Instance](UGN_Instance.md).  
1. In the UGN instance management interface, click **[Details]** and navigate to the **UNet Instance** tab.  
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![img](https://cdn.udelivrs.com/2025/04/34bb58d32a1a1f38d87d82c06c9f601e_1744969318568.png)


2. Click **[Associate Network Instances]**, select the "Project", "Region", and "Network Instance Type" of the network instances to be associated (multiple selections allowed), and then click **[Confirm]**.  
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![img](https://cdn.udelivrs.com/2025/04/19bbde6f9cdde131f2d8f535b9bfbb71_1744969318576.png)

## View Associated Network Instances  

On the **UNet Instance** tab, you can view all network instances currently associated with the UGN instance.  
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![img](https://cdn.udelivrs.com/2025/04/fe7fd7925c18e9079839e71952470851_1744969318582.png)

## Disassociate Network Instances  

**Prerequisites**  
When disassociating the last network instance in a region, all related bandwidth packages in that region must be deleted first.  

**Steps**  
On the **UNet Instance** tab:  
   - To disassociate a single instance: Click the **[Disassociate]** button next to the target network instance entry.  
   - To disassociate multiple instances: Select the checkboxes of target entries, then click **[Disassociate]** at the top-left of the interface for bulk operations.  
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![img](https://cdn.udelivrs.com/2025/04/e7236787202f9b4e35920a3c2ec25883_1744969318591.png)