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C
ONFIGURING
THE
S
WITCH
3-112
Configuring Rate Limits
This function allows the network manager to control the maximum rate
for traffic transmitted or received on a port. Rate limiting is configured on
ports at the edge of a network to limit traffic coming into or out of the
network. Traffic that falls within the rate limit is transmitted, while packets
that exceed the acceptable amount of traffic are dropped.
Rate limiting can be applied to individual ports or trunks. When an
interface is configured with this feature, the traffic rate will be monitored
by the hardware to verify conformity. Non-conforming traffic is dropped,
conforming traffic is forwarded without any changes.
Rate Limit Granularity
Rate limit granularity is an additional feature enabling the network manager
greater control over traffic on the network. The “rate limit granularity” is
multiplied by the “rate limit level” (page 3-113) to set the actual rate limit
for an interface. Granularity is a global setting that applies to Fast Ethernet
or Gigabit Ethernet interfaces.
Command Usage
•
For Fast Ethernet interfaces, the rate limit granularity can be set to
512 Kbps, 1 Mbps, or 3.3 Mbps
•
For Gigabit Ethernet interfaces, the rate limit granularity is 33.3 Mbps.
Web
– Click Port, Rate Limit, Granularity. Select the required rate limit
granularity for Fast Ethernet and Gigabit Ethernet, and click apply.
Figure 3-50 Rate Limit Granularity Configuration
Summary of Contents for 6726AL2 FICHE
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