This section includes additional configuration options available for virtual services. What to read next Wildcard VIPThis section explains the configuration, common deployment, and use case scenarios of the wildcard VIP. Wildcard SNI Matching for Virtual Hosting Virtual services have a configuration option to enable virtual hosting support. Enabling this option within a virtual service indicates the virtual service is a parent or child of another service in a server name indication (SNI) deployment. Shared Virtual Services IP (VIP) BehaviorAvi Load Balancer supports VIP sharing when multiple virtual services share the same IP address but different listener ports. This section discusses the Shared Virtual Services IP (VIP) Behaviour in different scale-out modes. Sharing a Single VIP across Multiple Virtual ServicesA single virtual IP (VIP) can be shared across multiple virtual services simply by choosing a different port for each virtual service. Sharing a single VIP among multiple virtual services enables Avi Load Balancer to establish TCP connections over the same IP but on different ports for multiple incoming requests. Enhanced Virtual HostingEnhanced Virtual Hosting (EVH) helps in enabling the virtual hosting on virtual service irrespective of Server Name Indication (SNI). This section explains the usage of enhanced virtual hosting (EVH) in Avi Load Balancer. Mapping Multiple Virtual Service Ports to Server PortsA virtual service may expose multiple ports. This section explains the two ways to map virtual service ports to corresponding ports on pool servers. Creating a VIP to Switch Contents Between Two Layer 4 PortsThis topic explains creating one virtual service to switch contents between two Layer 4 ports. Use the Layer 4 port switching feature on a Layer 4 virtual service if there are two VIPs listening on two different ports. Parent topic: Virtual Services
