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Port Configuration
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Web – Click Port, Mirror Port Configuration. Specify the source port, the traffic type
to be mirrored, and the monitor port, then click Add.
Figure 3-62 Mirror Port Configuration
CLI – Use the interface command to select the monitor port, then use the port
monitor command to specify the source port and traffic type.
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 3-108) 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.
Console(config)#interface ethernet 1/10 4-131
Console(config-if)#port monitor ethernet 1/13 tx 4-142
Console(config-if)#