Load Balancer cookie persistence does not persist when TCP Multiplexing is enabled and SNAT is disabled
Article ID: 336794
Updated On:
Products
VMware NSX
Issue/Introduction
Symptoms:
With frequent requests, some requests may be served by different backend even with persistent cookies
With packets captured on the client, you should see tcp source port is reused frequently
The syslog logs on edge, show error '99: Cannot assign requested address'
With frequent requests, some requests may be served by different backend even with persistent cookies
With packets captured on the client, you should see tcp source port is reused frequently
The syslog logs on edge, show error '99: Cannot assign requested address'
Environment
VMware NSX-T Data Center 3.x
VMware NSX-T Data Center
VMware NSX-T Data Center
Cause
NSX Load balancer tries to create a new connection by reusing the port while the port is still used by another connection.
Resolution
SNAT is required for TCP Multiplexing
Workaround:
Disable TCP Multiplexing
Workaround:
Disable TCP Multiplexing
Feedback
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No
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