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Dell EMC Configuration Guide for the S4048T–ON System 9.14.2.4

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Setting Rate-Limit BPDUs

CAM space is allocated in sections called field processor (FP) blocks.

There are a total of 13 user-configurable FP blocks. The default number of blocks for L2PT is 0; you must allocate at least one to enable BPDU rate-limiting.

To set the rate-lime BPDUs, use the following commands.

  1. Create at least one FP group for L2PT.
    CONFIGURATION mode
    cam-acl l2acl
    For details about this command, refer to CAM Allocation.
  2. Save the running-config to the startup-config.
    EXEC Privilege mode
    copy running-config startup-config
  3. Reload the system.
    EXEC Privilege mode
    reload
  4. Set a maximum rate at which the RPM processes BPDUs for L2PT.
    VLAN STACKING mode
    protocol-tunnel rate-limit
    The default is: no rate limiting.
    The range is from 64 to 320 kbps.

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