1graph G { 2 graph [hostidtype="hostname", version="1:0", date="04/12/2013"]; 3 edge [dir=none, notify="log"]; 4 sw1:swp1 -- h1:swp1; 5 sw1:swp2 -- h2:swp1; 6 sw1:swp3 -- h3:swp1; 7 sw1:swp4 -- h4:swp1; 8} 9