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Cisco Bug: CSCuq53580 - N9K StandAlone: VXLAN gateway can't achieve 10G Linerate.

Last Modified

Feb 15, 2018

Products (5)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 9396PX Switch
  • Cisco Nexus 9504 Switch
  • Cisco Nexus 9508 Switch
  • Cisco Nexus 93128TX Switch

Known Affected Releases

6.1(2)I2(3)

Description (partial)

Symptom:
Can't achieve 10G Line rate.
Almost 5% of packets are dropped on Egress port.
This issue might not happen on production network.

       GATEWAY             GATEWAY
------> N9K1 -----------> N9K2(HERE) -------> 
 10G ETH      40G VXLAN               10G ETH

Conditions:
Nexus is forwarding almost line rate.
N9K works as VXLAN Gateway.
Packet size is near 95B-136B.
Unknown unicast traffic.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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