diff --git a/cmd/start.go b/cmd/start.go
index aed365f..f0b9939 100644
--- a/cmd/start.go
+++ b/cmd/start.go
@@ -1401,6 +1401,16 @@ func StartJail(args []string) {
 			}
 		}
 		
+		if cj.Config.Rtsold > 0 || strings.EqualFold(cj.Config.Ip6_addr, "accept_rtadv") {
+			fmt.Printf("  > Start rtsold:\n")
+			cmd := fmt.Sprintf("/usr/sbin/setfib %s /usr/sbin/jexec %d service rtsold start", cj.Config.Exec_fib, cj.JID)
+			out, err := executeCommand(cmd)
+			if err != nil && len(out) > 0 {
+				fmt.Printf("Error: %v: %s\n", err, out)
+			} else {
+				fmt.Printf("  > Start rtsold: OK\n")
+			}
+		}
 		
 		// TODO: Execute Exec_poststart
 		if len(cj.Config.Exec_poststart) > 0 {