Cisco CSS by default route traffic between VLANs

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Server A and Server B are in different VLANs on the CSS, if interfaces and circuit VLANs are configured properly, then Server A needs to talk to Server B or vice versa, what other configuration is needed on CSS? do we need VIP and Soruce Group?
The answer is: the CSS by default routes traffic between VLANs, so no VIP or Group configuration is needed.

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