Cflowd
Router Configuration Guide 729
• If a specific collector UDP port is not identified then, by default, flows are sent to
port 2055.
Cflowd can also be dependent on the following entity configurations:
• Interface Configurations
• Service Interfaces
• Filter Configurations
Depending on the combination of interface and filter entry configurations determine if and
when flow sampling occurs. Table 78 displays the expected results when specific features are
enabled and disabled.
Cflowd Configuration Management Tasks
This section discusses the following cflowd configuration management tasks:
• Modifying Global Cflowd Components
• Modifying Cflowd Collector Parameters
Table 78: Cflowd Configuration Dependencies
Interface Setting router>interface
cflowd [acl | interface]
Setting
Command
ip-filter entry
Expected Results
IP-filter mode ACL filter-sampled Traffic matching is sampled at
specified rate.
IP-filter mode ACL no filter-sampled No traffic is sampled on this
interface.
IP-filter mode or
cflowd not enabled on
interface
ACL interface-disable-
sample
Command is ignored. No sampling
occurs.
Interface mode interface interface-disable-
sample
Traffic matching this IP filter entry
is not sampled.
Interface mode interface none All IP traffic ingressing the
interface is subject to sampling.
Interface mode interface filter sampled Filter level action is ignored. All
traffic ingressing the interface is
subject to sampling.
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