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tcpListenDrops - an Explanation (Doc ID 2628133.1)

Last updated on AUGUST 30, 2021

Applies to:

Solaris Operating System - Version 10 3/05 and later
Information in this document applies to any platform.


The symptoms of a tcpListenDrop condition can vary, including:

    - an inability to connect to a particular TCP network service

    - latency or delays in connecting

    - a load balancer or cluster agents that periodically connect to verify a TCP service is responding may mark the service as "down".  When this happens load balancers will generally stop sending traffic to the node, and cluster software may initiate a failover. 


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