@@ -73,6 +73,13 @@
7373-- peer nodes. In other words, if you start a node and pass hostname @localhost@
7474-- then peer nodes won't be able to reach it because @localhost@ will resolve
7575-- to a different IP address for them.
76+--
77+-- [Troubleshooting]
78+--
79+-- If you try the above example and the master process cannot find any slaves,
80+-- then it might be that your firewall settings do not allow for UDP multicast
81+-- (in particular, the default iptables on some Linux distributions might not
82+-- allow it).
7683{-# OPTIONS_GHC -fno-warn-orphans #-}
7784module Control.Distributed.Process.Backend.SimpleLocalnet
7885 ( -- * Initialization