To clear the cache memory on a Sangfor NGAF M5100 device, you can follow these steps:

1. Log in to the NGAF web console using an account with administrative privileges.

2. Click on the "System" tab, and then click on the "Cache" sub-tab.

3. Under the "Cache" sub-tab, you should see a "Clear" button. Click on this button to clear the cache memory.

4. You will be prompted to confirm that you want to clear the cache memory. Click "OK" to confirm.

5. Wait for the cache to be cleared. This may take a few moments depending on the size of the cache.

6. Once the cache has been cleared, you can close the cache management window.

By clearing the cache memory, you can free up space and improve the performance of your NGAF device. However, note that clearing the cache may also remove any cached data that was being used to speed up network traffic, so you may experience slower performance until the cache is rebuilt.

To clear the cache memory on a Sangfor NGAF M5100 device, you can follow these steps:

1. Log in to the NGAF web console using an account with administrative privileges.

2. Click on the "System" tab, and then click on the "Cache" sub-tab.

3. Under the "Cache" sub-tab, you should see a "Clear" button. Click on this button to clear the cache memory.

4. You will be prompted to confirm that you want to clear the cache memory. Click "OK" to confirm.

5. Wait for the cache to be cleared. This may take a few moments depending on the size of the cache.

6. Once the cache has been cleared, you can close the cache management window.

By clearing the cache memory, you can free up space and improve the performance of your NGAF device. However, note that clearing the cache may also remove any cached data that was being used to speed up network traffic, so you may experience slower performance until the cache is rebuilt.