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Traffic loss may occur for the dual-homed server with one active link and vIST cluster of two VSPs

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TitleTraffic loss may occur for the dual-homed server with one active link and vIST cluster of two VSPs
Symptoms
Periodic data loss may occur for CMACs learned on a single-homed SUNI port after refresh logic (such as VMware vMotion) is executed.

Ping requests loss to the server has been observed every 270 seconds. Total impact duration is various between 5 and 15 seconds.
Environment
  • VSP 4000
  • VSP 7200
  • VSP 7400
  • VSP 8200
  • VSP 8400
Cause
Software defect.
Resolution
This problem has been fixed in the VOSS v8.0.7.2 and later releases.
Additional notes

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