Guest

Preview Tool

Cisco Bug: CSCum90179 - N6K: Fabricpath ECMP issue with packet forwarding

Last Modified

Feb 22, 2018

Products (7)

  • Cisco Nexus 6000 Series Switches
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 6004 Switch
  • Cisco Nexus 6001 Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5596T Switch

Known Affected Releases

6.0(2)N2(1) 6.0(2)N2(2) 7.0(1)N1(0.103)

Description (partial)

Symptom:
When we have multiple path for FabricPath forwarding, one of them become unavailable after a certain operation.

Conditions:
This issue happens when recalculation for FabricPath ECMP route occurred.
Examples)
 - when a best path gets down and multiple backup routes are selected as new (ECMP) best paths
 - when one of two ECMP best paths gets down and bring back to online and FP gets multiple best paths again.
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.