digraph "IP"
{
  edge [fontname="Helvetica",fontsize="10",labelfontname="Helvetica",labelfontsize="10"];
  node [fontname="Helvetica",fontsize="10",shape=box];
  rankdir=LR;
  Node2 [label="IPv4",height=0.2,width=0.4,color="black", fillcolor="white", style="filled",URL="$group__ip4.html",tooltip=" "];
  Node3 [label="IPv6",height=0.2,width=0.4,color="black", fillcolor="white", style="filled",URL="$group__ip6.html",tooltip=" "];
  Node1 [label="IP",height=0.2,width=0.4,color="black", fillcolor="grey75", style="filled", fontcolor="black",tooltip=" "];
  Node1->Node2 [shape=plaintext, dir="back", style="solid"];
  Node1->Node3 [shape=plaintext, dir="back", style="solid"];
}