match datalink dot1q vlan
To configure the 802.1Q (dot1q) VLAN value as a key field for a flow record, use the match datalink dot1q
vlan command in flow record configuration mode. To disable the use of the 802.1Q VLAN value as a key
field for a flow record, use the no form of this command.
match datalink dot1q vlan {input| output}
no match datalink dot1q vlan {input| output}
Syntax Description
Configures the VLAN ID of traffic being received by the as a key field.input
Configures the VLAN ID of traffic being transmitted by the as a key field.output
Command Default
The 802.1Q VLAN ID is not configured as a key field.
Command Modes
Flow record configuration
Command History
ModificationRelease
This command was introduced.Cisco IOS XE 3.3SECisco 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 dot1q vlan command are used to specify the observation
point that is used by the match datalink dot1q vlan command to create flows based on the unique 802.1q
VLAN IDs in the network traffic.
Examples
The following example configures the 802.1Q VLAN ID of traffic being received by the as a key field for a
flow record:
Device(config)# flow record FLOW-RECORD-1
Device(config-flow-record)# match datalink dot1q vlan input
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
438
match datalink dot1q vlan
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