Brocade FastIron Ethernet Switch Traffic Management Guide User Manual download pdf (Page 55)

Limiting Broadcast, Multicast, and Unknown Unicast Traffic

● Supported Limiting Broadcast, Multicast, and Unknown Unicast Traffic Features..........53

● Configuration notes and feature limitations.....................................................................53

● Command syntax for packet-based limiting ................................................................... 54

● Command syntax for byte-based limiting........................................................................ 56

● Viewing broadcast, multicast, and unknown unicast limits..............................................57

Supported Limiting Broadcast, Multicast, and Unknown Unicast

Traffic Features

Lists supported Limiting Broadcast, Multicast, and Unknown Unicast Traffic features supported on

FastIron devices.

The following table lists the individual BrocadeFastIron switches and the rate limiting and rate shaping

features they support. These features are supported in the Layer 2 and Layer 3 software images,

except where explicitly noted.

Feature ICX 6430 ICX 6450 FCX ICX 6610 ICX 6650 FSX 800

FSX 1600

ICX 7750

Byte-based broadcast, multicast, and

unknown-unicast limits

08.0.01 08.0.01 08.0.01 08.0.01 08.0.01 08.0.01 08.0.10

Packet-based broadcast, multicast, and

unknown-unicast limits

08.0.01 08.0.01 08.0.01 08.0.01 08.0.01 08.0.01 08.0.10

Configuration notes and feature limitations

Brocade devices can forward all flooded traffic at wire speed within a VLAN. However, some third-party

networking devices cannot handle high rates of broadcast, multicast, or unknown-unicast traffic. If high

rates of traffic are being received by the Brocade device on a given port of that VLAN, you can limit the

number of broadcast, multicast, or unknown-unicast packets or bytes received each second on that

port. This can help to control the number of such packets or bytes that are flooded on the VLAN to other

devices.

The following describes feature differences on FastIron devices:

• FastIron X Series devices with generation 3 line cards

‐ The control traffic is affected when broadcast, multicast and unknown unicast rate limit is

applied on an interface on FastIron X Series devices with generation 3 line cards (SX-

FI8XG, SX-FI-2XG, SX-FI-24HF, SX-FI- 24GPP, SX-FI-48GPP).

• FastIron X Series devices, except for the SX-FI48GPP interface module for all generation 2

line cards

FastIron Ethernet Switch Traffic Management Guide

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Brocade FastIron Ethernet Switch Traffic Management Guide User Manual Page 55