What are the issues and implications of running teamed NICs in IntelligenceCenter and PolicyCenter?

FAQ ID:    FAQ1115
Version:    1.0
Status:    Published
Published date:    11/05/2010


Teamed NICs use two individual NICs to maintain a failover redundancy for a servers network connection(s). Typically these run in an active/passive relationship. In some much less common implementations, they actually can run in an Active/Active condition. This arrangement is typically not supported in IC. However, the vastly more common Active/Passive arrangement is supported. Neither condition is supported by PolicyCenter at this time. There are no issues with the Windows Server running teamed NICs because the active IP is the one that will be broadcasting its request to IC. IC will hear it, and will then respond. If that NIC goes down and fails over, then IC will hear the new IP request and will respond to that one. But in NIC teaming the multiple (usually there are 2 of them) , have the same IP address, one is in dormant state and one active.The reason “nic teaming” functions in IC, is that IC was specifically instructed to listen to all open ports from all available IPs and IC would then respond. PolicyCenter does not have this feature as an option at this time.

Support is unaware of any issues with NIC Teamed or "Teamed NIC" Cards in Intelligence Center 3.1.1 or 2.1.2.
However, the release notes for PolicyCenter 8.6.1 version, we mention the following under the section called “Additional Information”:

PolicyCenter Should Not be Installed on Server with Team Interface If you have configured your server with team interfaces, you must unteam them and use a “single
interface” setup before installing PolicyCenter on this server.





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