commit 6d7176dc431519b55862413308de33c4d728ba1c
author Giulio Grassi <giulio.grassi86@gmail.com> Wed Apr 16 16:08:48 2014 +0200
committer Giulio Grassi <giulio.grassi86@gmail.com> Fri Apr 18 00:13:05 2014 +0200
tree b92045b973bbd91c7ddf7b6aee4d2d1c3f60719a
parent 3ecec50221ce10e54f8cd699ef246f7d64a90fef

face: bugfix of MulticastUdpFace receiving packets from all available NICs on Linux

Now on Linux the creation of MulticastUdpFace requires
CAP_NET_RAW capability if the name of the interface is specified

Change-Id: Iff53035371fb26c6ee40e1065a0935e5ed16dc60
Refs: #1475

README.md

diff --git a/README.md b/README.md
index 04aadb5..dc46009 100644
--- a/README.md
+++ b/README.md
@@ -90,3 +90,12 @@
 
     sudo chgrp admin /dev/bpf*
     sudo chmod g+rw /dev/bpf*
+
+## UDP multicast support in multi-homed Linux machines
+
+The UDP configuration file section contains settings for unicast and multicast UDP
+faces. If the Linux box is equipped with multiple network interfaces with multicast
+capabilities, the settings for multicast faces will **NOT** work without root
+or setting the appropriate permissions:
+
+    sudo setcap cap_net_raw=eip /full/path/nfd