## 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 ospf_topo1 {
	label="ospf dual stack";

	# Routers
	r1 [
		label="r1\nrtr-id 1.1.1.1/32",
		shape=doubleoctagon,
		fillcolor="#f08080",
		style=filled,
	];
	r2 [
		label="r2\nrtr-id 2.2.2.2/32",
		shape=doubleoctagon,
		fillcolor="#f08080",
		style=filled,
	];
	r3 [
		label="r3\nrtr-id 3.3.3.3/32",
		shape=doubleoctagon,
		fillcolor="#f08080",
		style=filled,
	];
	r4 [
		label="r4\nrtr-id 4.4.4.4/32",
		shape=doubleoctagon,
		fillcolor="#f08080",
		style=filled,
	];
	r5 [
		label="r5\nrtr-id 5.5.5.5/32",
		shape=doubleoctagon,
		fillcolor="#f08080",
		style=filled,
	];

	# Switches
	s1 [
		label="s1\n10.0.13.0/24\n2013:13::/64",
		shape=oval,
		fillcolor="#d0e0d0",
		style=filled,
	];
	s2 [
		label="s2\n10.0.23.0/24\n2023:23::/64",
		shape=oval,
		fillcolor="#d0e0d0",
		style=filled,
	];
	s3 [
		label="s3\n10.0.34.0/24\n2034:34::/64",
		shape=oval,
		fillcolor="#d0e0d0",
		style=filled,
	];
	s4 [
		label="s4\n10.0.24.0/24\n2024:24::/64",
		shape=oval,
		fillcolor="#d0e0d0",
		style=filled,
	];
	s5 [
		label="s5\n10.0.45.0/24\n2045:45::/64",
		shape=oval,
		fillcolor="#d0e0d0",
		style=filled,
	];

  # Connections
  subgraph cluster1 {
    label="area 1.1.1.1"

	  r1 -- s1 [label="eth0\n.1\n::1"];
	  r3 -- s1 [label="eth0\n.3\n::3"];
	  r3 -- s2 [label="eth1\n.3\n::3"];
	  r2 -- s2 [label="eth0\n.2\n::2"];
  }

  subgraph cluster0 {
    label="area 0.0.0.0"

	  r3 -- s3 [label="eth2\n.3\n::3"];
	  r4 -- s3 [label="eth0\n.4\n::4"];
	  r2 -- s4 [label="eth1\n.2\n::2"];
	  r4 -- s4 [label="eth1\n.4\n::4"];
  }

  subgraph cluster2 {
    label="area 2.2.2.2"

	  r4 -- s5 [label="eth2\n.4\n::4"];
	  r5 -- s5 [label="eth0\n.5\n::5"];
  }
}