cdp: complete manual page with CDP-related options

diff --git a/src/daemon/lldpd.8.in b/src/daemon/lldpd.8.in
index 70f2b94914ac2a187277224a9bb9c3fbf10a4695..a63ee6d1dc0923becf597be85a956626a2d427b9 100644 (file)
--- a/src/daemon/lldpd.8.in
+++ b/src/daemon/lldpd.8.in
@@ -155,7 +155,13 @@ using a TCP or UDP socket.
 Enable the support of CDP protocol to deal with Cisco routers that do
 not speak LLDP. If repeated, CDPv1 packets will be sent even when
 there is no CDP peer detected. If repeated once again, CDPv2 packets
-will be sent even when there is no CDP peer detected.
+will be sent even when there is no CDP peer detected. If repeated once
+again (i.e.
+.Fl cccc ) ,
+CDPv1 will be disabled and CDPv2 will be enabled. If repeated once
+again (i.e.
+.Fl ccccc ) ,
+CDPv1 will be disabled and CDPv2 will be forced.
 .It Fl f
 Enable the support of FDP protocol to deal with Foundry routers that do
 not speak LLDP. If repeated, FDP packets will be sent even when there