diff -up sos-2.2/sos/plugins/networking.py.orig sos-2.2/sos/plugins/networking.py
--- sos-2.2/sos/plugins/networking.py.orig	2011-08-14 12:18:17.784697343 +0100
+++ sos-2.2/sos/plugins/networking.py	2011-08-14 12:18:37.709228057 +0100
@@ -66,6 +66,7 @@ class networking(sos.plugintools.PluginB
         self.collectExtOutput("/sbin/ifenslave -a")
         self.collectExtOutput("/sbin/ip mroute show")
         self.collectExtOutput("/sbin/ip maddr show")
+        self.collectExtOutput("/sbin/ip neigh show")
         if ifconfigFile:
             for eth in self.get_interface_name(ifconfigFile):
                 self.collectExtOutput("/sbin/ethtool "+eth)