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    Policing Subscriber Traffic on the Broadband Gateway Overview

    To enforce bandwidth limits for subscriber traffic on the MobileNext Broadband Gateway, you configure the policer action to apply to traffic that exceeds the maximum or guaranteed bit rates. The policer actions control packet behavior by transmitting, dropping, or changing the packet loss priority (PLP) of packets when the subscriber traffic exceeds configured limits.

    The broadband gateway uses a two-rate policer to enforce bandwidth rates.

    In a 4G network, you configure the violate-action option to specify the action to take when traffic exceeds the configured aggregate maximum bit rate (AMBR). In a 3G network, you configure the violate-action to specify the action to take when traffic exceeds the configured maximum bit rate (MBR), and the exceed-action option to specify the action to take when traffic exceeds the configured guaranteed bit rate (GBR).

    The broadband gateway supports the following policer actions:

    • exceed-action—Specifies one of the following actions for packets that exceed the GBR:
      • Set the PLP to “high” (default).
      • Transmit the packet without changing the PLP.
      • Drop the packet.
    • violate-action—Specifies one of the following actions for packets that exceed the AMBR or MBR:
      • Drop the packet (default).
      • Set the PLP to “high”.
      • Transmit the packet without changing PLP.

    Published: 2011-11-17