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Defining Agent Circuit Identifier Interface Sets

1. Name the dynamic profile that defines the ACI interface set.
   [edit]user@host# edit dynamic-profiles profile-name
2. Specify that you want to configure the interfaces for the dynamic profile.
   [edit dynamic-profiles profile-name]user@host# edit interfaces
3. Configure the dynamic ACI interface set.
   [edit dynamic-profiles profile-name interfaces]user@host# edit interface-set $junos-interface-set-name

   You must use the $junos-interface-set-name predefined dynamic variable to represent the name of the ACI interface set. The $junos-interface-set-name variable is dynamically replaced with the actual ACI interface set name generated by the router when the first DHCP or PPPoE subscriber from that household logs in.

4. Include the interfaces for the dynamic ACI interface set.
   [edit dynamic-profiles profile-name interfaces interface-set “$junos-interface-set-name”]user@host# set interface $junos-interface-ifd-name

   You must use the $junos-interface-ifd-name predefined dynamic variable to represent the name of the ACI interface set. The $junos-interface-ifd-name variable is dynamically replaced with the name of the interface on which the DHCP or PPPoE subscriber accesses the router.

   Note: The unit logical-unit-number statement is not required in the dynamic profile at the [edit dynamic-profiles profile-name interfaces interface-set interface-set-name interface interface-name] hierarchy level when you configure an ACI interface set.

5. (Optional) For dynamic PPPoE subscriber interfaces, configure the maximum number of dynamic PPPoE sessions that the router can activate for the ACI interface set.
   [edit dynamic-profiles profile-name interfaces interface-set “$junos-interface-set-name”]user@host# edit pppoe-underlying-options[edit dynamic-profiles profile-name interfaces interface-set “$junos-interface-set-name” pppoe-underlying-options]user@host# set max-sessions number

   Issuing the max-sessions statement in a dynamic profile for an ACI interface set limits the maximum number of dynamic PPPoE sessions at the ACI interface set level from the same household.

6. (Optional) Apply attributes for CoS and interface filters to all subscriber interfaces belonging to the ACI interface set.

The following example shows the minimum dynamic profile required to define an ACI interface set named aci-vlan-set-profile. The interface-set stanza uses predefined dynamic variables to represent the interface set ($junos-interface-set-name) and the underlying physical interface ($junos-interface-ifd-name).

The following example shows a more complex dynamic profile for an ACI interface set named aci-vlan-set-profile-pppoe-cos. In addition to the required interface-set stanza, this profile includes optional attributes for PPPoE (max-sessions statement) and CoS. The router applies these PPPoE and CoS attributes to all subscriber interfaces from the same household, which is represented by the ACI interface set.