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Cisco Bug: CSCuj28656 - Netflow option table config missing on v9 flow exporter after reboot

Last Modified

Mar 24, 2019

Products (1)

  • Cisco Cloud Services Router 1000V Series

Known Affected Releases

15.3(3)S 15.4(1)S

Description (partial)

Symptom:
If a netflow v9 flow exporter is configured with option tables data export, after the config is saved and the router rebooted, the option table config will be missing from the running-config. The output below shows that the option tables config is intact on the startup-config, but running-config does not show the options tables config after the reload:
csr#sh startup-config | b exporter
flow exporter netflow-v9
 destination 192.168.10.37 vrf mgmt-netflow-export
 transport udp 3000
 option interface-table
 option application-table
!
--- snip ---
          
csr#
csr#sh run flow exporter
Current configuration:
!
flow exporter netflow-v9
 destination 192.168.10.37 vrf mgmt-netflow-export
 transport udp 3000
!
csr#sh flow exporter    
Flow Exporter netflow-v9:
  Description:              User defined
  Export protocol:          NetFlow Version 9
  Transport Configuration:
    Destination IP address: 192.168.10.37
    VRF label:              mgmt-netflow-export
    Source IP address:      1.1.1.1
    Transport Protocol:     UDP
    Destination Port:       3000
    Source Port:            61263
    DSCP:                   0x0
    TTL:                    255
    Output Features:        Used


csr#

During the boot up of the router, the following error message is seen on the console:
% Flow Exporter: failed to add 'interface-table' option to exporter 'netflow-v9'.

The above error message is only logged to the console during bootup, but not to syslog.

This only happen for netflow v9 exporter; IPFIX exporter retains the option table config after reload. Option table is not supported for netflow v5.

Conditions:
Option table config for netflow v9 exporter.
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