Hi, do you talk http: or https: to the backend? h2://mybackend is for the SSL case, for unencrypted calls, use h2c://mybackend. Maybe that is the problem? -Stefan > Am 17.06.2017 um 15:26 schrieb Olivier Mallassi <olivier.mallassi@xxxxxxxxx>: > > Hello all > > We are trying to use the mod_proxy_http2 of httpd. Our use case is for now "simple" > - multiple backedns (configured in HTTP2) > - one httpd acting as proxy > -- mod_proxy_http2 is activated > -- we use the Balancer directive to load balanced accross backends (round-robin) > - the client is a curl -kv --http2 ... > > The tests are the following: > - while using curl to access one of the backend directly, the access log shows that we use HTTP/2 > - then the balancer directive is configured with http://mybackend1 > In taht case, while accessing to the proxy with curl, we see that the communication between curl & httpd is HTTP/2 but that the communication with the backends is HTTP1/1 > - then we change the balancer directive to h2://mybackend.... > In that case, the curl returns 503 (like if the proxy is unable to route). > > I suspect a misconfiguration but any help is welcomed. Does someone already did something similar? > > thanks. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx