--- /dev/null
+## Color coding:
+#########################
+## Main FRR: #f08080 red
+## Switches: #d0e0d0 gray
+## RIP: #19e3d9 Cyan
+## RIPng: #fcb314 dark yellow
+## OSPFv2: #32b835 Green
+## OSPFv3: #19e3d9 Cyan
+## ISIS IPv4 #fcb314 dark yellow
+## ISIS IPv6 #9a81ec purple
+## BGP IPv4 #eee3d3 beige
+## BGP IPv6 #fdff00 yellow
+##### Colors (see http://www.color-hex.com/)
+
+graph template {
+ label="bfd-topo1";
+
+ # Routers
+ r1 [
+ shape=doubleoctagon,
+ label="r1",
+ fillcolor="#f08080",
+ style=filled,
+ ];
+ r2 [
+ shape=doubleoctagon
+ label="r2",
+ fillcolor="#f08080",
+ style=filled,
+ ];
+ r3 [
+ shape=doubleoctagon
+ label="r3",
+ fillcolor="#f08080",
+ style=filled,
+ ];
+ r4 [
+ shape=doubleoctagon
+ label="r4",
+ fillcolor="#f08080",
+ style=filled,
+ ];
+
+ # Switches
+ sw1 [
+ shape=oval,
+ label="sw1\n192.168.0.0/24",
+ fillcolor="#d0e0d0",
+ style=filled,
+ ];
+ sw2 [
+ shape=oval,
+ label="sw2\n192.168.1.0/24",
+ fillcolor="#d0e0d0",
+ style=filled,
+ ];
+ sw3 [
+ shape=oval,
+ label="sw3\n192.168.2.0/24",
+ fillcolor="#d0e0d0",
+ style=filled,
+ ];
+
+ # Connections
+ r1 -- sw1 [label="eth0\n.1"];
+ r2 -- sw1 [label="eth0\n.2"];
+
+ r3 -- sw2 [label="eth0\n.1"];
+ r2 -- sw2 [label="eth1\n.2"];
+
+ r4 -- sw3 [label="eth0\n.1"];
+ r2 -- sw3 [label="eth2\n.2"];
+}