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Cisco Bug: CSCtd37068 - N1K: UDP port 0 should not not be allowed for netflow exporter

Last Modified

Feb 06, 2017

Products (2)

  • Cisco Nexus 1000V Switch for VMware vSphere
  • Cisco Nexus 1000V Switch

Known Affected Releases

4.0(4)SV1(2) 4.2(1)SV2(2.1)

Description (partial)

The CLI allows configuration of UDP port 0 as destination port:
n1k# conf t
n1k(config)# flow exporter test 
n1k(config-flow-exporter)# transport udp ?
  <0-65535>  Destination UDP Port

n1k(config-flow-exporter)# transport udp 0

UDP port 0 is an invalid port; when the flow exporter is configured with UDP port 0, no netflow record is sent to the collector.

Configuring network exporter.
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Bug Details Include

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