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6-3
Cisco 10000 Series Router Software Configuration Guide
OL-2226-23
Chapter 6 Configuring PPPoE over Ethernet and IEEE 802.1Q VLAN
PPPoE over Ethernet
Creating an Ethernet Interface and Enabling PPPoE
To create an Ethernet interface and enable PPPoE on it, enter the following commands beginning in
global configuration mode:
Configuring PPPoE in a VPDN Group
To configure a virtual private dial network (VPDN) group for PPPoE and to link the group to the
appropriate virtual template interface, enter the following commands beginning in global configuration
mode:
Note You cannot simultaneously configure a broadband aggregation (BBA) group for PPPoE and a VPDN
group for PPPoE. If you configure a BBA group and then you configure a VPDN group, the protocol
command in VPDN accept-dialin configuration mode does not include an option for PPPoE (for
example, you cannot specify the protocol pppoe command). Use the no bba-group pppoe command to
re-enable the pppoe option for the protocol command.
Configuring PPPoE in a BBA Group
Note Cisco IOS Release 12.2(15)BX does not support the configuration of BBA groups using RADIUS. You
must configure BBA groups manually.
Command Purpose
Step 1
Router(config)# interface GigabitEthernet
number
Creates an Ethernet interface and enters interface
configuration mode.
Step 2
Router(config-if)# pppoe enable
Enables PPPoE and allows PPPoE sessions to be created
through that interface.
Command Purpose
Step 1
Router(config)# vpdn enable
Enables VPDN configuration on the router.
Step 2
Router(config)# vpdn-group name
Associates a VPDN group to a customer or VPDN profile.
Step 3
Router(config-vpdn)# accept-dialin
Creates an accept dial-in VPDN group.
Step 4
Router(config-vpdn-acc-in)# protocol pppoe
Specifies the VPDN group to be used to establish
PPPoE
sessions.
Step 5
Router(config-vpdn-acc-in)# virtual-template
template-number
Specifies the virtual template interface to use to clone virtual
access interfaces (VAIs).
Step 6
Router(config-vpdn)# pppoe limit per-mac
per-mac-limit
(Optional) Specifies the maximum number of sessions per
MAC address for each PPPoE port that uses the group.
Step 7
Router(config-vpdn)# pppoe limit max-sessions
number
(Optional) Specifies the maximum number of PPPoE
sessions that can be terminated on this router from all
interfaces.