.. _config_network_filters_sni_cluster: Upstream Cluster from SNI ========================= The `sni_cluster` is a network filter that uses the SNI value in a TLS connection as the upstream cluster name. The filter will not modify the upstream cluster for non-TLS connections. This filter should be configured with the name *envoy.filters.network.sni_cluster*. This filter has no configuration. It must be installed before the :ref:`tcp_proxy ` filter. * :ref:`v2 API reference `