Configuring Flexible NetFlow
Field
Interface
output
Field
Key Fields
Flow
direction
Ethertype
VLAN
input
VLAN
output
dot1q
VLAN
input
dot1q
VLAN
output
dot1q
priority
OL-28354-01
Layer 2
Layer 2
IPv4 In
In
Out
—
Yes
—
Layer 2 In
Layer 2 Out
IPv4 In
Yes
Yes
Yes
Yes
Yes
—
Yes
—
Yes
—
Yes
—
Yes
—
Yes
—
Yes
—
Yes
Yes
Yes
Cisco Flexible NetFlow Configuration Guide, Cisco IOS XE Release 3SE (Catalyst 3850 Switches)
Supported Flexible NetFlow Fields
IP v4 Out
IPv6 In
IPv6 Out
Yes
—
Yes
IP v4 Out
IPv6 In
Yes
Yes
—
—
—
Yes
Yes
—
—
Yes
Yes
—
Yes
Yes
Notes
If you apply a flow monitor in
the output direction:
• Use the match keyword
and use the output
interface as a key field.
• Use the collect keyword
and use the input
interface as a collect
field. This field will be
present in the exported
records but with a value
of 0.
IPv6 Out
Notes
Yes
—
—
Supported
only for a
switch port.
Yes
Supported
only for a
switch port.
—
Supported
only for a
switch port.
Yes
Supported
only for a
switch port.
Yes
Supported
only for a
switch port.
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