Guest

Preview Tool

Cisco Bug: CSCvt55138 - Sup-redt traffic flow drop with TTAG header on top of VXLAN header.

Last Modified

Aug 19, 2020

Products (65)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 92348GC-X Switch
  • Cisco Nexus 3636C-R Switch
  • Cisco Nexus 3548 Switch
  • Cisco Nexus 9516 Switch
  • Cisco Nexus 93600CD-GX Switch
  • Cisco Nexus 3548-X Switch
  • Cisco Nexus 3064 Switch
  • Cisco Nexus 93108TC-FX Switch
  • Cisco Nexus 3132Q-V Switch
View all products in Bug Search Tool Login Required

Known Affected Releases

9.3(3)

Description (partial)

Symptom:
Topology:

Server =>(encap)TOR2 ==>Spine ==> TOR1(decap)?CPU

Server sending ICMP packets to TOR1 loopback address. Packets come to TOR1 with TTAG, getting dropped by TOR1 netstack and is not visible in ethanlyzer.

Conditions:
TTAG configured on downlink port of Encaped vtep.
Affecting only CloudScale based Cisco N9K switches
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.