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Rate Limit Commands
4-179
4
Rate Limit Commands
This function allows the network manager to control the maximum rate for traffic
received on an interface. Rate limiting is configured on interfaces at the edge of a
network to limit traffic into the network. 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.
rate-limit
Use this command to define the rate limit level for a specific interface. Use this
command without specifying a rate to restore the default rate limit level. Use the no
form to restore the default status of disabled.
Syntax
rate-limit <input | output> [rate]
no rate-limit <input | output>
• input – Input rate limit
• output – Input rate limit
• rate – The traffic rate limit level. Range: 64-100000 kilobits per second for
100 Mbps ports; 64-1000000 kilobits per second for 1 Gbps ports
Default Setting
Input/Output Rate Limit Status: Disabled
Rate level: 100000 kilobits per second for 100 Mbps ports; 1000000 kilobits
per second for 1 Gbps ports
Command Mode
Interface Configuration (Ethernet, Port Channel)
Example
Table 4-50 Rate Limit Commands
Command Function Mode Page
rate-limit Configures the maximum input rate for a port IC 4-179
Console(config)#interface ethernet 1/1
Console(config-if)#rate-limit input 2000
Console(config-if)#