Guest

Preview Tool

Cisco Bug: CSCvw03736 - Netflow exporter traffic is sent with a UDP source port of 0.

Last Modified

Oct 14, 2020

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

16.10.1 16.9.5

Description (partial)

Symptom:
Exporter traffic will be sent with a UDP source port of "0" instead of the value displayed within the show command "show flow exporter <flow_name>.  A packet trace or packet capture will show that the exported packet is sent with a source port of 0.
The collector will receive the traffic with a source port of 0.

Conditions:
Netflow configured with at least one active exporter. The symptoms are usually seen following upgrade.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.