Ingress Bandwidth Rate Limiter

Table 1. Port-Based Rate Limiting, Policing, and Shaping product support

Feature

Product

Release introduced

Egress port shaper

5320 Series

Fabric Engine 8.6

5420 Series

VOSS 8.4

5520 Series

VOSS 8.2.5

5720 Series

Fabric Engine 8.7

Ingress dual rate port policers

5320 Series

Not Supported

5420 Series

Not Supported

5520 Series

Not Supported

5720 Series

Not Supported

Ingress policer and port rate limiter

5320 Series

Fabric Engine 8.6

5420 Series

VOSS 8.5

5520 Series

VOSS 8.5

5720 Series

Fabric Engine 8.7

QoS ingress port rate limiter

5320 Series

Fabric Engine 8.6

5420 Series

VOSS 8.4

5520 Series

VOSS 8.2.5

5720 Series

Fabric Engine 8.7

Ingress bandwidth rate limiter functionality handles congestion, meters traffic, and takes action based on the ACL filter rules. A policer can be attached directly to an ACL ACE entry to perform flow-based rate limiting. You can configure the service rate and peak rate. All traffic that qualifies for a filter is metered. Every packet that exceeds the service rate is marked as yellow, and every packet that exceeds the peak rate is marked as red and is dropped.

The ingress flow-based policer limits the traffic rate accepted by the specified ingress port. The port drops or re-marks violating traffic. The line rate of the port is the maximum rate that can be configured.

The ingress flow-based policer is available on the following interfaces:
  • Ingress port (inPort)
  • Ingress VLAN (inVLAN)
  • Ingress VSN (inVSN)

Operation Considerations

The following section describes operational considerations for ingress bandwidth rate limiter functionality: