Add IPv6 support for AddDefaultRoute

containernetworking · Dec 28, 2022 · e56d6a2 · e56d6a2
1 parent ec76e3c
commit e56d6a2
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/pkg/ip/route_linux.go b/pkg/ip/route_linux.go
@@ -42,6 +42,11 @@ func AddHostRoute(ipn *net.IPNet, gw net.IP, dev netlink.Link) error {
 
 // AddDefaultRoute sets the default route on the given gateway.
 func AddDefaultRoute(gw net.IP, dev netlink.Link) error {
-	_, defNet, _ := net.ParseCIDR("0.0.0.0/0")
+	var defNet *net.IPNet
+	if gw.To4() != nil {
+		_, defNet, _ = net.ParseCIDR("0.0.0.0/0")
+	} else {
+		_, defNet, _ = net.ParseCIDR("::/0")
+	}
 	return AddRoute(defNet, gw, dev)
 }