NetScaler Takes 3-4 Minutes to Mark STA as DOWN
Article ID: CTX231916
Updated On:
Description
App launch failure with 2 STAs configured and when one is DOWN but still showing as up. NetScaler takes 3-4 minutes to mark STA as DOWN and hence causing app launch failures during the time.
Resolution
Currently this is expected. When the monitor is in transition (showing up, but STA has not been retested with new probe), there is a delay between probes where the NetScaler will fail to launch.
The first STA server is giving back correct response, however NetScaler sends the connection information from the STA 1 to STA 2 which is in downs state (so that STA 2 is aware of the connection information for redundancy later).Complete the following steps to workaround this issue:
set lb monitor sta CITRIX-STA-SERVICE -interval 10 SEC -retries 3
set lb monitor stasecure CITRIX-STA-SERVICE -interval 10 SEC -retries 3
Issue/Introduction
App launch failure with 2 STAs configured and when one is DOWN but still showing as up.NetScaler taking 3-4 minutes to mark STA as DOWN and hence causing app launch failures during the time .
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