graph "lag" {
    layout="neato";
    overlap="false";
    esep="+23";

    node [shape=record, fontsize=12, fontname="DejaVu Sans Mono, Book"];
    edge [color="cornflowerblue", penwidth="2", fontname="DejaVu Serif, Book"];

    host [
	  label="host | { <mgmt1> mgmt1 | <mon> mon | \n\n\n\n | <mgmt2> mgmt2 }",
	  pos="0,15!",
	  requires="controller",
	  ];

    dut1 [
	  label="{ <mgmt> mgmt | <mon> mon } | { dut1\r | { <link1> link1 | <link2> link2 } }",
	  pos="2,15.25!",
	  requires="infix",
	  ];

    dut2 [
  	  label="<mgmt> mgmt | { { <link1> link1 | <link2> link2 } | dut2\r }",
	  pos="2,14.75!",
	  requires="infix",
	  ];

    host:mgmt1 -- dut1:mgmt [requires="mgmt", color=lightgray]
    host:mon   -- dut1:mon  // Monitor connection to dut2 via dut1
    host:mgmt2 -- dut2:mgmt [requires="mgmt", color=lightgrey]

    dut1:link1 -- dut2:link1 [lag=true, color=black, fontcolor=black, penwidth=3]
    dut1:link2 -- dut2:link2 [lag=true, color=black, fontcolor=black, penwidth=3]
}