Juniper JUNOSE 11.1.X - LINK LAYER CONFIGURATION 4-7-2010 Configuration Manual page 419

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pppoe max-session-vsa
Configure a PVC by specifying the vcd (virtual circuit descriptor), the vpi (virtual
path identifier), the vci (virtual channel identifier), and the encapsulation type.
host1(config-if)#atm pvc 10 22 100 aal5snap
Select PPPoE as the encapsulation method.
host1(config-subif)#encapsulation pppoe
Do one of the following to configure the maximum number of PPPoE sessions
(subinterfaces) supported on the interface:
Configure the maximum number of PPPoE sessions on a per-interface basis.
host1(config-if)#pppoe sessions 128
Configure the maximum number of PPPoE sessions on a per-subscriber
basis by overriding the current PPPoE maximum session value with the
PPPoE maximum session value returned by the RADIUS server in the
Max-Clients-Per-Interface vendor-specific attribute (VSA) [26-143] in
Access-Accept messages.
host1(config-if)#pppoe max-session-vsa override
Create a PPPoE subinterface.
host1(config-subif)#interface atm 0/1.20.1
Select PPP as the encapsulation method.
host1(config-subif)#encapsulation ppp
(Optional) Configure maximum transfer unit (MTU) parameters.
host1(config-if)#pppoe mtu 1380
(Optional) Configure an access concentrator (AC) name on the PPPoE interface.
host1(config-subif)#pppoe acname CYM9876
(Optional) Set up the router to prevent a client from establishing more than one
session using the same MAC address.
host1(config-subif)#pppoe duplicate-protection
Assign an IP address and subnet mask to the PVC.
host1(config-subif)#ip address 192.32.10.20 255.255.255.0
(Optional) Configure additional PPPoE subinterfaces by completing Steps 6
through 11 using unique numbering.
host1(config-subif)#interface atm 0/1.20.2
Chapter 12: Configuring Point-to-Point Protocol over Ethernet
Configuring PPPoE over ATM
387