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Flow control gets de-asserted when the ingress rate resource has
enough room to accept at least one frame of size specified by the
CBS limit.
For example, if the CBS limit is programmed to be 2k Bytes, then
the flow control will get de-asserted if there is at least 2k Bytes
worth of tokens available in the ingress rate resource. CBS limit
Bucket type
Any given bucket can be programmed to be aggregate rate based or traffic type
based.
Rate based ingress rate limit: Limits all types of traffic on the ingress port.
Traffic type based ingress rate limit: Limits a specific type of traffic on the ingress
port.
Mask operation
This parameter controls whether an ingress frame must meet both Priority and
Frame type requirements to be counted for ingress rate calculations or if meeting
only one requirement is sufficient to be counted for ingress rate calculations for
this rate resource.
Priority
Any combinations of the four queue priorities can be selected. Frames with marked
priority are accounted for in this ingress rate resource.
If there is no priority selected, priority of the frame doesn't have any affect on the
ingress rate limiting calculations done for this ingress rate resource.
Frame type
Any of the following frame types can be selected to be tracked as part of the rate
resource calculations:
Management (MGMT), Multicasts, Broadcasts, Unicasts, Address Resolution Pro-
tocol (ARP), TCP Data, TCP Ctrl, UDP, Non-TCPUDP (covers IGMP, ICMP, GRE,
IGRP and L2TP), IMS, PolicyMirror, PolicyTrap, Unknown Unicasts or Unknown
Multicasts.
More than one frame type can be selected for a given rate resource.
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