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Shamsul_Alam_34's avatar
Shamsul_Alam_34
Icon for Nimbostratus rankNimbostratus
Mar 02, 2018

error 503 and

Hi   I have three IIS node in my F5 LTM pool. One of the node working perfectly without any issue. Meanwhile my other node2 and node3 always throw an exception at peak hour. We have member portal w...
application delivery
BIG-IP
LTM
JG's avatar
JG
Icon for Cumulonimbus rankCumulonimbus
Mar 02, 2018

The server response to the URL in the "send string" should normally be a single HTTP status, e.g. "OK 200". With this url ("/") in the send string it is hard to imagine that the status changes and the service remains normal/healthy.

 

However, the problem you experience is likely due to the back-end servers. Were they overloaded at around 11am?