Add remark that UDP needs support by routers

1 files changed, 2 insertions, 0 deletions

diff --git a/jawol.c b/jawol.c
index 443f430..b301153 100644
--- a/jawol.c
+++ b/jawol.c
@@ -24,6 +24,8 @@ static const char usage_msg[] =
 "to either the limited broadcast address, or the directed broadcast address of\n"
 "the destination network, i.e. 10.1.2.255 if the destination host is\n"
 "10.1.2.3/24.\n"
+"This requires the final router connected to the destination subnet to be\n"
+"configured accordingly.\n"
 "\n"
 "Options for raw mode (etherwake):\n"
 "   --broadcast\n"