match datalink vlan
To configure the VLAN ID as a key field for a flow record, use the match datalink vlan command in flow
record configuration mode. To disable the use of the VLAN ID value as a key field for a flow record, use the
no form of this command.
match datalink vlan {input| output}
no match datalink vlan {input| output}
Syntax Description
Configures the VLAN ID of traffic being received by the device as a key field.input
Configures the VLAN ID of traffic being transmitted by the device as a key field.output
Command Default
The VLAN ID is not configured as a key field.
Command Modes
Flow record configuration
Command History
ModificationRelease
This command was introduced.Cisco IOS XE 3.3SE
Usage Guidelines
A flow record requires at least one key field before it can be used in a flow monitor. The key fields distinguish
flows, with each flow having a unique set of values for the key fields. The key fields are defined using the
match command.
The input and output keywords of the match datalink vlan command are used to specify the observation
point that is used by the match datalink vlan command to create flows based on the unique VLAN IDs in
the network traffic.
Examples
The following example configures the VLAN ID of traffic being received by the device as a key field for a
flow record:
Device(config)# flow record FLOW-RECORD-1
Device(config-flow-record)# match datalink vlan input
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
442
match datalink vlan
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