ipv6 flow monitor
To enable a flow monitor for IPv6 traffic that the device is receiving or forwarding, use the ipv6 flow monitor
command in interface configuration mode. To disable a flow monitor, use the no form of this command.
ipv6 flow monitor monitor-name [sampler sampler-name] {input| output}
no ipv6 flow monitor monitor-name [sampler sampler-name] {input| output}
Syntax Description
Name of the flow monitor to apply to the interface.
monitor-name
(Optional) Enables the specified flow sampler for the flow monitor.
sampler sampler-name
Monitors IPv6 traffic that the device receives on the interface.input
Monitors IPv6 traffic that the device transmits on the interface.output
Command Default
A flow monitor is not enabled.
Command Modes
Interface configuration
Command History
ModificationRelease
This command was introduced.Cisco IOS XE 3.3SE
Usage Guidelines
Before you can apply a flow monitor to the interface with the ipv6 flow monitor command, you must have
already created the flow monitor using the flow monitor global configuration command.
When you add a sampler to a flow monitor, only packets that are selected by the named sampler will be entered
into the cache to form flows. Each use of a sampler causes separate statistics to be stored for that usage.
You cannot add a sampler to a flow monitor after the flow monitor has been enabled on the interface. You
must first remove the flow monitor from the interface and then enable the same flow monitor with a sampler.
The statistics for each flow must be scaled to give the expected true usage. For example, with a 1 in 100
sampler it is expected that the packet and byte counters will have to be multiplied by 100.
Note
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
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ipv6 flow monitor
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