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Cisco Bug: CSCvu73148 - N3K switch (VTEP) duplicates IPv6 ping6 control packets received from vxlan fabric.

Last Modified

Jun 29, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

9.3(3) 9.3(4)

Description (partial)

When nexus 31108TCV receives ipv6 overlay packets from fabric (L3VNI) it creates duplicate packet during decapsulation and sends both to receiver. 
No issues for ipv4 overlay traffic in same vlans.

No special conditions - just VTEP prepared N3K with L3VNI configured.
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