## 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="isis topo1";

	# Routers
	r1 [
		shape=doubleoctagon,
		label="r1\n10.254.0.1\n2001:DB8:F::1",
		fillcolor="#f08080",
		style=filled,
	];
	r2 [
		shape=doubleoctagon
		label="r2\n10.254.0.2\n2001:DB8:F::2",
		fillcolor="#f08080",
		style=filled,
	];
	r3 [
		shape=doubleoctagon
		label="r3\n10.254.0.3\n2001:DB8:F::3",
		fillcolor="#f08080",
		style=filled,
	];
	r4 [
		shape=doubleoctagon
		label="r4\n10.254.0.4\n2001:DB8:F::4",
		fillcolor="#f08080",
		style=filled,
	];
	r5 [
		shape=doubleoctagon
		label="r5\n10.254.0.5\n2001:DB8:F::5",
		fillcolor="#f08080",
		style=filled,
	];

	# Switches
	sw1 [
		shape=oval,
		label="sw1\n10.0.20.0/24\n2001:DB8:1:1::/64",
		fillcolor="#d0e0d0",
		style=filled,
	];
	sw2 [
		shape=oval,
		label="sw2\n10.0.21.0/24\n2001:DB8:1:2::/64",
		fillcolor="#d0e0d0",
		style=filled,
	];
	sw3 [
		shape=oval,
		label="sw3\n10.0.10.0/24\n2001:DB8:2:1::/64",
		fillcolor="#d0e0d0",
		style=filled,
	];
	sw4 [
		shape=oval,
		label="sw4\n10.0.11.0/24\n2001:DB8:2:2::/64",
		fillcolor="#d0e0d0",
		style=filled,
	];

	# Connections
	subgraph cluster0 {
		label="level 2";

		r1 -- sw1 [label="eth0\n.2"];
		r2 -- sw2 [label="eth0\n.2"];
	}

	subgraph cluster1 {
		label="level 1/2";

		r3 -- sw1 [label="eth0\n.1"];
		r3 -- sw3 [label="eth1\n.2"];

		r4 -- sw4 [label="eth1\n.2"];
		r4 -- sw2 [label="eth0\n.1"];
	}

	subgraph cluster2 {
		label="level 1";

		r5 -- sw3 [label="eth0\n.1"];
		r5 -- sw4 [label="eth1\n.1"];
	}
}