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Restrictions for Configuring Adjustment of CoS Shaping Rate and Overhead Accounting for Dynamic ALI Interface Sets

The following restrictions apply when you configure the router to use the Actual-Data-Rate-Downstream VSA and Access-Loop-Encapsulation vendor-specific attribute (VSA) values in PPPoE control packets to adjust the CoS shaping rate and overhead accounting attributes, respectively, for dynamic interface sets based on the access-line identifier (ALI) and their associated ALI-based dynamic VLAN subscriber interfaces:

  • You cannot configure adjustment of CoS shaping rate and overhead accounting attributes based on Actual-Data-Rate-Downstream VSA and Access-Loop-Encapsulation VSA values that the router receives from the following sources:

    • RADIUS servers

    • Access Node Control Protocol (ANCP) access loop information

    • Dynamic Host Configuration Protocol (DHCP) discovery packets

  • You cannot use this feature to report information about the PPPoE VSA values to RADIUS.

  • You cannot use this feature to configure CoS adjustment of upstream data traffic on a dynamic ACI interface set.