ZyXEL Communications GS3700 Series Podręcznik Użytkownika Pobierz pdf (Strona 262)

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Chapter 29 PPPoE

GS3700/XGS3700 Series User’s Guide

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Trusted ports are connected to PPPoE servers.

• If a PADO (PPPoE Active Discovery Offer), PADS (PPPoE Active Discovery Session-confirmation),

or PADT (PPPoE Active Discovery Terminate) packet is sent from a PPPoE server and received on

a trusted port, the Switch forwards it to all other ports.

• If a PADI or PADR packet is sent from a PPPoE client but received on a trusted port, the Switch

forwards it to other trusted port(s).

Note: The Switch will drop all PPPoE discovery packets if you enable the PPPoE

intermediate agent and there are no trusted ports.

Untrusted ports are connected to subscribers.

• If a PADI, PADR, or PADT packet is sent from a PPPoE client and received on an untrusted port,

the Switch adds a vendor-specific tag to the packet and then forwards it to the trusted port(s).

• The Switch discards PADO and PADS packets which are sent from a PPPoE server but received on

an untrusted port.

29.2 The PPPoE Screen

Use this screen to configure the PPPoE Intermediate Agent on the Switch.

Click Advanced Application > PPPoE in the navigation panel to display the screen as shown.

Click Click Here to go to the Intermediate Agent screen.

Figure 161 Advanced Application > PPPoE Intermediate Agent

29.3 PPPoE Intermediate Agent

Use this screen to configure the Switch to give a PPPoE termination server additional subscriber

information that the server can use to identify and authenticate a PPPoE client.

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