config: hints for using v4 dns to avoid 503 (#2478) (#2488)

Signed-off-by: Yingyu Cheng <[email protected]>
envoyproxy · Feb 1, 2018 · 6a2781e · 6a2781e
1 parent eaa6696
commit 6a2781e
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/configs/google_com_proxy.v2.yaml b/configs/google_com_proxy.v2.yaml
@@ -28,6 +28,8 @@ static_resources:
   - name: service_google
     connect_timeout: 0.25s
     type: LOGICAL_DNS
+    # Uncomment the following line if your environment doesn't have v6 network access or Envoy may try to talk to a v6 endpoint which will result in a 503 error.
+    # dns_lookup_family: V4_ONLY
     lb_policy: ROUND_ROBIN
     hosts: [{ socket_address: { address: google.com, port_value: 443 }}]
     tls_context: { sni: www.google.com }