Draytek Vigor 2820 - Web Content Filter; Bandwidth Management; Sessions Limit

Vigor2820 Series User’s Guide
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Click Firewall and click Web Content Filter to open the setup page.
For this section, please refer to Web Content Filter user’s guide.
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Below shows the menu items for Bandwidth Management.
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A PC with private IP address can access to the Internet via NAT router. The router will
generate the records of NAT sessions for such connection. The P2P (Peer to Peer)
applications (e.g., BitTorrent) always need many sessions for procession and also they will
occupy over resources which might result in important accesses impacted. To solve the
problem, you can use limit session to limit the session procession for specified Hosts.
In the Bandwidth Management menu, click Sessions Limit to open the web page.