Plugin-Gallery: Better 2nd level headings

plugins/arp/arp_

@@ -0,0 +1,67 @@
+#!/bin/sh
+#
+# Plugin to monitor ARP entries per interface
+#
+# Parameters understood:
+#
+#       config   (required)
+#       autoconf (optional)
+#
+#  Made by Sven Hartge (sven AT svenhartge DOT de)
+#  change to iproute by Martin89 (martin AT martin89 DOT de)
+#
+#
+
+
+#%# family=contrib
+#%# capabilities=autoconf suggest
+
+case "$1" in
+	autoconf)
+		# Search for ip
+		which ip >/dev/null 2>&1
+		if [ $? -ne 0 ]; then
+			echo "no (can't find ip binary)"
+			exit 1
+		fi
+		# ...or success
+		echo 'yes'
+		exit 0
+	;;
+	suggest)
+		if [ ! -r /proc/net/dev ]; then
+			exit 1
+		fi
+		awk '$1~ /^(eth|wlan|ath|ra)[0-9]+(\.[0-9]+)?/ { gsub(":", ""); gsub("\.", "_"); print $1 }' /proc/net/dev
+		exit 0
+	;;
+	config)
+		INTERFACE="$(basename $0 | sed 's/^arp_//g' | tr '_' '.')"
+		if [ -z "$INTERFACE" ]; then
+			exit 1
+		fi
+		echo "graph_title ARP/NDP entries for $INTERFACE"
+		cat <<'EOM'
+graph_args --base 1000 -l 0
+graph_vlabel Entries
+graph_category network
+graph_scale no
+graph_info This graph shows the number of ARP and NDP entries for a interface.
+entries4.label ARP entries
+entries4.info Number of ARP entries
+entries6global.label NDP global entries
+entries6global.info Number of NDP entries for global IPv6 address
+entries6local.label NDP local entries
+entries6local.info Number of NDP entries for link-local IPv6 address (fe80::/64)
+EOM
+		exit 0
+	;;
+esac
+
+INTERFACE="$(basename $0 | sed 's/^arp_//g' | tr '_' '.')"
+if [ -z "$INTERFACE" ]; then
+	exit 1
+fi
+ip neigh show dev "$INTERFACE" | awk 'BEGIN { a=0; b=0; c=0 }
+/(REACHABLE|DELAY|STALE)/ { if ($1~ /^fe80:/){c++} else{if ($1~ /^[0-9]+\./) {a++} else{b++} } }
+END { print "entries4.value", a "\nentries6global.value", b, "\nentries6local.value", c }'