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PowerConnect B-Series TI24X Configuration Guide 423
53-1002269-02
Rate limiting in hardware
16
These commands configure a fixed rate limiting policy that allows port 24 to receive a maximum of
64 kilobits per second (65536 bytes per second). If the port receives additional bits during a given
one-second interval, the port drops all inbound packets on the port until the next one-second
interval starts.
Syntax: [no] rate-limit input fixed <average-rate>
For PowerConnect devices, the <average-rate> parameter specifies the maximum number of
kilobits per second (kbps) the port can receive. The minimum rate that can be configured is
64,000 bytes per second.
Configuring an ACL-based rate limiting policy
IP ACL-based rate limiting of inbound traffic provides the facility to limit the rate for IP traffic that
matches the permit conditions in extended IP ACLs. This feature is available in the Layer 2 and
Layer 3 code.
To configure ACL-based rate limiting on a device, you create individual traffic policies, then
reference the traffic policies in one or more ACL entries (also called clauses or statements). The
traffic policies become effective on ports to which the ACLs are bound.
For configuration procedures for ACL-based rate limiting,refer to Chapter 17, “Configuring Traffic
Policies”.
Displaying the fixed rate limiting configuration
To display the fixed rate limiting configuration on the device, enter the following command.
Syntax: show rate-limit fixed
The command lists the ports on which fixed rate limiting is configured, and provides the
information listed in Table 68 for each of the ports.
TABLE 68 CLI display of Fixed Rate Limiting information
This field... Displays...
Total rate-limited interface count The total number of ports that are configured for Fixed Rate Limiting.
Port The port number.