Bug 220449 - NetFlow v9 exports are without MAC addresses (ng_netflow)
Summary: NetFlow v9 exports are without MAC addresses (ng_netflow)
Status: New
Alias: None
Product: Base System
Classification: Unclassified
Component: kern (show other bugs)
Version: 11.0-RELEASE
Hardware: Any Any
: --- Affects Some People
Assignee: freebsd-net mailing list
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2017-07-03 10:02 UTC by marianh
Modified: 2017-07-04 19:36 UTC (History)
0 users

See Also:


Attachments

Note You need to log in before you can comment on or make changes to this bug.
Description marianh 2017-07-03 10:02:29 UTC
MAC addresses (IN_SRC_MAC and OUT_DST_MAC fields) are omitted in NetFlow v9 exports.

Packet capture of sent Netflow template:

Cisco NetFlow/IPFIX
Version: 9
Count: 23
SysUptime: 1117945.000000000 seconds
Timestamp: Jun 28, 2017 09:12:41.000000000 Central Europe Daylight Time
FlowSequence: 11272
SourceId: 0
FlowSet 1 [id=0] (Data Template): 256,259
FlowSet Id: Data Template (V9) (0)
FlowSet Length: 172
Template (Id = 256, Count = 20)
Template Id: 256
Field Count: 20
Field (1/20): IP_SRC_ADDR
Field (2/20): IP_DST_ADDR
Field (3/20): IP_NEXT_HOP
Field (4/20): INPUT_SNMP
Field (5/20): OUTPUT_SNMP
Field (6/20): PKTS
Field (7/20): BYTES
Field (8/20): OUT_PKTS
Field (9/20): OUT_BYTES
Field (10/20): FIRST_SWITCHED
Field (11/20): LAST_SWITCHED
Field (12/20): L4_SRC_PORT
Field (13/20): L4_DST_PORT
Field (14/20): TCP_FLAGS
Field (15/20): PROTOCOL
Field (16/20): IP_TOS
Field (17/20): SRC_AS
Field (18/20): DST_AS
Field (19/20): SRC_MASK
Field (20/20): DST_MASK