digraph "IPv6" { edge [fontname="Helvetica",fontsize="10",labelfontname="Helvetica",labelfontsize="10"]; node [fontname="Helvetica",fontsize="10",shape=box]; rankdir=LR; Node1 [label="IPv6",height=0.2,width=0.4,color="black", fillcolor="grey75", style="filled", fontcolor="black",tooltip=" "]; Node3 [label="MLD6",height=0.2,width=0.4,color="black", fillcolor="white", style="filled",URL="$group__mld6.html",tooltip=" "]; Node2 [label="IP",height=0.2,width=0.4,color="black", fillcolor="white", style="filled",URL="$group__ip.html",tooltip=" "]; Node2->Node1 [shape=plaintext, dir="back", style="solid"]; Node1->Node3 [shape=plaintext, dir="back", style="solid"]; }