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Chapter 48 PPPoE
XGS2220 Series User’s Guide
356
The following table describes the labels in this screen.
48.4 PPPoE IA Port VLAN
Use this screen to configure PPPoE IA settings that apply to a specific VLAN on a port.
Click SWITCHING > PPPoE Intermediate Agent > PPPoE IA Port VLAN to display the screen as shown.
Table 173 SWITCHING > PPPoE Intermediate Agent > PPPoE IA Port
LABEL DESCRIPTION
SLOT This field appears only in Stacking mode. Click the drop-down list to choose the slot number of
the Switch in a stack.
Port This field displays the port number. In Stacking mode, the first number represents the slot ID and
the second is the port number. Please note that the default stacking ports (the last four ports of
your Switch) cannot be configured. They are reserved for stacking only.
* Use this row to make the setting the same for all ports. Use this row first and then make
adjustments on a port-by-port basis.
Changes in this row are copied to all the ports as soon as you make them.
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 ports.
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 ports.
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 (except [ ? ], [ | ], [ ' ], [ " ], or [ , ]) 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 SWITCHING > PPPoE
Intermediate Agent > PPPoE IA Port VLAN screen) has the highest priority.
Remote-ID Enter a string of up to 63 ASCII characters (except [ ? ], [ | ], [ ' ], [ " ], or [ , ]) 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 SWITCHING > PPPoE
Intermediate Agent > PPPoE IA 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.
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