OSPFv3 - Configuration, Verification and Summarization 

## Operating Environment
OS : Windows 11 Home 23H2
VM : VMware® Workstation 17 Pro 17.5.2
Software：CML 2.7.2
Hardware：N/A

## Network Topology

![Screenshot 2024-11-05 191040.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/3923257/3e9c33a7-6354-b346-eac4-81a122cf3754.png)

## Configuration
### Basic
1. Enable **ipv6 unicast-routing** on the router
2. Configure ospfv3 process with the command **router ospfv3 process-id**
3. Configure the router id with the command **router-id router-id**
4. (Optional) Initialize the address family with the command **address-family {ipv4 | ipv6} unicast**
4. Enable ospfv3 on a interface with the command **ospfv3 process-id ipv6 area area-id**

:::note warn
Router ID is a 32-bit value, can be IPv4 format and need be unique in OSPF domain. 
:::

![Screenshot 2024-11-07 172622.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/3923257/53b52703-fec0-97dd-9074-87b8f6de0d59.png)

![Screenshot 2024-11-07 174358.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/3923257/9e5a2e12-8929-6f58-87b8-9fe8c120bf4d.png)

### Passive-interface
#### Router-level
![Screenshot 2024-11-07 181938.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/3923257/ae0e76ba-01cb-3670-8988-5936ef12a56c.png)
![image.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/3923257/230b1228-581c-2da4-619b-d0aeff097733.png)
#### Interface-level
![Screenshot 2024-11-07 182238.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/3923257/d1966c16-0e09-bc8a-817c-3a3ab80cc759.png)

### Network Type
#### Before
![Screenshot 2024-11-07 182528.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/3923257/0742aa3d-a891-3570-5b51-e91ce3767522.png)
### Change Broadcat to P2P
![Screenshot 2024-11-07 182841.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/3923257/52c3064e-fe5d-279a-122b-e3f2dbd785d8.png)
![Screenshot 2024-11-07 183023.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/3923257/8de23e66-69c8-3986-22fe-25349a8d475f.png)
### After
![Screenshot 2024-11-07 183121.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/3923257/45e48488-e54a-93da-9e64-80bf49cf5d05.png)
![Screenshot 2024-11-07 183204.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/3923257/683255da-e040-97b9-89cd-32660a05d6ee.png)

## Verification

### Neighbor
![image.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/3923257/ae8dc128-dff8-b694-6086-c43fc1144afd.png)
### Interface
![image.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/3923257/2ffb88c1-f66d-5658-d235-21246cdc109f.png)
![Screenshot 2024-11-07 175647.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/3923257/3c31e396-8ded-cfb8-5753-1c36b8512435.png)
### Route
![image.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/3923257/b8fe9d31-8076-b411-23a0-6ee7fc76b019.png)

## Summarization 
![Screenshot 2024-11-07 181143.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/3923257/9dcd4a52-5c23-2b39-726a-54f8de2e159a.png)
![Screenshot 2024-11-07 181433.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/3923257/79d87b71-e5de-f315-79e4-2d907d672232.png)