Configuration Guide User guide

FastIron Configuration Guide 1947
53-1002494-02
Chapter
49
Rate Limiting and Rate Shaping on FastIron X Series and
FCX and ICX Series Switches
Table 320 lists the individual Brocade FastIron switches and the rate limiting and rate shaping
features they support. These features are supported in the Layer 2, base Layer 3, edge Layer 3,
and full Layer 3 software images, except where explicitly noted.
This chapter describes how to configure rate limiting and rate shaping on Brocade FastIron X
Series, Brocade FCX Series, Brocade ICX 6610, Brocade ICX 6430, and Brocade ICX 6450 devices.
Rate limiting applies to inbound ports and rate shaping applies to outbound ports.
Rate limiting overview
Port-based fixed rate limiting is supported on inbound ports. This feature allows you to specify the
maximum number of bytes a given port can receive. The port drops bytes that exceed the limit you
specify. You can configure a Fixed rate limiting policy on a port inbound direction only. Fixed rate
limiting applies to all traffic on the rate limited port.
Fixed rate limiting is at line rate and occurs in hardware. Refer to “Rate limiting in hardware” on
page 1948.
TABLE 320 Supported rate limiting and rate shaping features
Feature FESX
FSX 800
FSX 1600
FWS FCX ICX 6610 ICX 6430
ICX 6450
Inbound rate limiting (Port-based rate
limiting on inbound ports)
Yes Yes
For details
about
inbound
rate and
outbount
limiting on
FastIron WS
Series
devices,
see Chapter
50, “Rate
Limiting on
FastIron WS
Series
Switches,”
Yes Yes Yes
Outbound rate shaping Yes Yes Yes Yes
ACL-based rate limiting Yes Yes Yes Yes Yes
For details about ACL-based rate limiting, see Chapter 42, “Traffic
Policies”.