diff --git a/manuf b/manuf
index 255f509774..6dfc0ac1e7 100644
--- a/manuf
+++ b/manuf
@@ -10253,6 +10253,7 @@
 00:E0:FE	Cisco                  # CISCO SYSTEMS, INC.
 00:E0:FF	SecurityDy             # SECURITY DYNAMICS TECHNOLOGIES, Inc.
 00:E6:D3	NixdorfCom             # NIXDORF COMPUTER CORP.
+01:0E:CF	PN-MC                  # PROFINET Multicast
 02:04:06	BbnInterna             # BBN				internal usage (not registered)
 02:07:01	Racal-Data             # RACAL-DATACOM
 02:1C:7C	Perq                   # PERQ SYSTEMS CORPORATION
diff --git a/manuf.tmpl b/manuf.tmpl
index 406b3e20e2..77c9f7f68b 100644
--- a/manuf.tmpl
+++ b/manuf.tmpl
@@ -88,6 +88,7 @@
 00:80:96	HDS
 00:80:ad	Telebit
 00:e0:98	Trend
+01:0e:cf	PN-MC		# PROFINET Multicast
 02:cf:1f	CMC
 02:20:48	Marconi		# At least some 2810 send with locally assigned flag set
 08:00:02	3Com