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Cisco Bug: CSCuq67934 - VSS FSU upgrade from SXI to SXI13 causes Active unit to crash after sync

Last Modified

Nov 27, 2020

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

12.2(33.1) 12.2SXI

Description (partial)

A pair of VSS 6500 switches running SXI are to be upgraded to SXI13. The code is copied to the sup-bootdisk: of both switches. Then the standby VSS unit is reload using the command [redundancy reload peer]. The Standby device succesfully reloads and comes back into the standby state. After this, the Active unit crashes.

This only occurs during the reload process. When both units are running SXI13, the VSS synchronizes successfully without any code instability or crashes.
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