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VPX appliances flapping between UP and Out Of Service

Chris Craddock

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I just upgraded my SDX appliances from 12.0 to After the upgrade, the VPX ADC appliances running on the SDX will randomly flap from UP to Out Of Service. This is causing them VPX appliances to be temporarily unusable while theyre in Out Of Service. Thanksfully this is only happening on my Standby/Secondary unit and not the Primary. Has anyone ever run into this? Ive tried rebooting the SDX but the issue remains. Citrix support is taking forever to find a resolution. Does this sound like maybe a firmware bug on the SDX? Im not quite sure how to troubleshoot it. The Firmware Revs are:



ADC Instance 1:

ADC instance 2:


Thank you. 

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