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Cisco Bug: CSCus85713 - ERSPAN sometimes does not capture both directions of traffic

Last Modified

Apr 12, 2017

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

7.0(3)I1(1.94)

Description (partial)

Symptom:
ERSPAN sometimes does not capture both directions of traffic
For example, if trying to capture ping between two hosts, you may only see icmp echo request (or vice versa).

Conditions:
N9K is ERSPAN source with a source interface capturing in both directions
Destination of ERSPAN is reachable via QSFP uplink ports
If single QSFP uplink is used, issue should not be seen
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  • Status
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