
Port Traffic Controls
All-Traffic Rate-Limiting for the 5300xl, 3400cl and 6400cl Switches
All-Traffic Rate-Limiting for the
5300xl, 3400cl and 6400cl Switches
Feature Default Menu CLI Web
rate-limit < limit-% > none n/a page 14-5 n/a
show rate-limit [ port-list ] n/a n/a page 14-6 n/a
Not e This feature applies to the 5300xl, 3400cl, and 6400cl switches.
Introduction
Rate-Limiting for all traffic provides a method for limiting the amount of
bandwidth a user or device may utilize inbound on a switch port. This
effectively sets an inbound usage level on a given port, and is a tool for
enforcing maximum service level commitments granted to network users.
This feature operates on a per-port level and is not configurable on port trunks.
Note that rate-limiting is designed to be applied at the network edge to limit
inbound traffic from non-critical users or to enforce service agreements such
as those offered by Internet Service Providers (ISPs) to provide only the
bandwidth for which a customer has paid.
Not e On the 5300xl switches beginning with software release E.09.02, rate-limiting
also can be applied by a RADIUS server during an authentication client
session. See the chapter “RADIUS Authentication and Accounting” in the
Security Guide, version January 2005 or later.
Note The 5300xl switches also support IGMP rate-limiting. For further information,
see the chapter “Multimedia Traffic Control with IP Multicast (IGMP)” in
the Advanced Traffic Management Guide for your switch.
Caution Rate-Limiting is intended for use on edge ports in a network. It is not
recommended for use on links to other switches, routers, or servers
within a network, or for use in the network core. Doing so can
interfere with applications the network requires to function properly.
14-4
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