- The Default Gateway IP Address must be on the same subnet as one of the configured VLAN interfaces. This is the next hop router to get outside the local networks and is usually the core switch or router.
- If one of the routed VLAN interface addresses is already configured as the layer 2 host address then this MUST be removed via a console session first. See Article 4558: Cannot create layer-3 IP address in same subnet as layer-2 IP address - Error stating Subnet Conflict
- To configure a third or subsequent VLAN interface for routing follow steps 4,5,and 6, or 8, 9, and 10 as above.