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Forum Discussion

Martin_Renneke_'s avatar
Martin_Renneke_
Icon for Nimbostratus rankNimbostratus
May 24, 2017

LTM has lost sticky persistence after one node went down

Our LTM (Version 10.2.4 - Build 817) Hotfix HF2 and HF7 installed will loose the sticky persistence, after one of the nodes is down. After the node is down the LTM will transfer requests to a wrong n...
application delivery
BIG-IP
LTM
dragonflymr's avatar
dragonflymr
Icon for Cirrostratus rankCirrostratus
May 24, 2017

Hi,

 

Need a bit of details here :-)

 

I assume:

 

Cookie persistence used - what type? Cookie Insert/Rewrite/Passive/Hash?

 

If node pointed by cookie in request is down BIG-IP has to use LB algorithm to select new node, so for sure stickiness to original node will be gone.

 

I can't comment on your statement "Afterwards we observe a request routed via the big IP cookie to node 7, but it arrived on node 10" - it depends which cookie persistence is used.

 

How do you know that cookie is pointing to node 7 and request is in fact send to node 10?

 

Piotr