Document "max_outstanding" for home servers

diff --git a/raddb/proxy.conf b/raddb/proxy.conf
index 103e7fddc7f60f58baa04f1aeae9e14ebd7fc38e..7ce9a40596415f87c2e23216d4ae4b18c1a711c8 100644 (file)
--- a/raddb/proxy.conf
+++ b/raddb/proxy.conf
@@ -93,7 +93,7 @@ proxy server {
 #  indicates which server pool should be used for the realm.
 #
 #  This change means that simple configurations now require multiple
-#  ssections to define a realm.  However, complex configurations
+#  sections to define a realm.  However, complex configurations
 #  are much simpler than before, as multiple realms can share the same
 #  server pool.
 #
@@ -391,6 +391,17 @@ home_server localhost {
        #  Useful range of values: 3 to 10
        num_answers_to_alive = 3
 
+       #
+       #  Limit the total number of outstanding packets to the home
+       #  server.
+       #
+       #  if ((#request sent) - (#requests received)) > max_outstanding
+       #       then stop sending more packets to the home server
+       #
+       #  This lets us gracefully fall over when the home server
+       #  is overloaded.
+       max_outstanding = 65536
+
        #
        #  The configuration items in the next sub-section are used ONLY
        #  when "type = coa".  It is ignored for all other type of home