.. _config_thrift_filters_router: Router ====== The router filter implements Thrift forwarding. It will be used in almost all Thrift proxying scenarios. The filter's main job is to follow the instructions specified in the configured :ref:`route table `. * :ref:`v3 API reference ` * This filter should be configured with the name *envoy.filters.thrift.router*. Statistics ---------- The filter outputs statistics in the *thrift..* namespace. .. csv-table:: :header: Name, Type, Description :widths: 1, 1, 2 route_missing, Counter, Total requests with no route found. unknown_cluster, Counter, Total requests with a route that has an unknown cluster. upstream_rq_maintenance_mode, Counter, Total requests with a destination cluster in maintenance mode. no_healthy_upstream, Counter, Total requests with no healthy upstream endpoints available.