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Chapter 32 PPPoE
MGS3700-12C User’s Guide
323
Server
Trusted State
Select whether this port is a trusted port (Trusted) or an untrusted port
(Untrusted).
Trusted ports are uplink ports 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).
Untrusted ports are downlink ports 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.
Circuit-id Enter a string of up to 63 ASCII characters that the Switch adds into the
Agent Circuit ID sub-option for PPPoE discovery packets received on this
port. Spaces are allowed.
The Circuit ID you configure for a specific VLAN on a port (in the
Advanced Application > PPPoE > Intermediate Agent > Port >
VLAN screen) has the highest priority.
Remote-id Enter a string of up to 63 ASCII characters that the Switch adds into the
Agent Remote ID sub-option for PPPoE discovery packets received on this
port. Spaces are allowed.
If you do not specify a string here or in the Remote-id field for a VLAN on
a port, the Switch automatically uses the PPPoE client’s MAC address.
The Remote ID you configure for a specific VLAN on a port (in the
Advanced Application > PPPoE > Intermediate Agent > Port >
VLAN screen) has the highest priority.
Apply Click Apply to save your changes to the Switch’s run-time memory. The
Switch loses these changes if it is turned off or loses power, so use the
Save link on the top navigation panel to save your changes to the non-
volatile memory when you are done configuring.
Cancel Click Cancel to begin configuring this screen afresh.
Table 108 Advanced Application > PPPoE > Intermediate Agent > Port (continued)
LABEL DESCRIPTION