diff --git a/dhcpd/v6.go b/dhcpd/v6.go
index 0a1a7d47..4eba42c1 100644
--- a/dhcpd/v6.go
+++ b/dhcpd/v6.go
@@ -182,7 +182,7 @@ func (s *V6Server) checkSID(msg *dhcpv6.Message) error {
 	return nil
 }
 
-func (s *V6Server) process(msg *dhcpv6.Message, req dhcpv6.DHCPv6, resp dhcpv6.DHCPv6) {
+func (s *V6Server) process(msg *dhcpv6.Message, req dhcpv6.DHCPv6, resp dhcpv6.DHCPv6) bool {
 	switch msg.Type() {
 	case dhcpv6.MessageTypeSolicit,
 		dhcpv6.MessageTypeRequest,
@@ -192,19 +192,19 @@ func (s *V6Server) process(msg *dhcpv6.Message, req dhcpv6.DHCPv6, resp dhcpv6.D
 		// break
 
 	default:
-		return
+		return false
 	}
 
 	mac, err := dhcpv6.ExtractMAC(req)
 	if err != nil {
 		log.Debug("DHCPv6: dhcpv6.ExtractMAC: %s", err)
-		return
+		return false
 	}
 
 	lease := s.findLease(mac)
 	if lease == nil {
 		log.Debug("DHCPv6: no lease for: %s", mac)
-		return
+		return false
 	}
 
 	switch msg.Type() {
@@ -215,20 +215,20 @@ func (s *V6Server) process(msg *dhcpv6.Message, req dhcpv6.DHCPv6, resp dhcpv6.D
 		oia := msg.Options.OneIANA()
 		if oia == nil {
 			log.Debug("DHCPv6: no IANA option in %s", msg.Type().String())
-			return
+			return false
 		}
 		if !bytes.Equal(oia.IaId[:], []byte(valueIAID)) {
 			log.Debug("DHCPv6: invalid IANA.ID value in %s", msg.Type().String())
-			return
+			return false
 		}
 		oiaAddr := oia.Options.OneAddress()
 		if oiaAddr == nil {
 			log.Debug("DHCPv6: no IANA.Addr option in %s", msg.Type().String())
-			return
+			return false
 		}
 		if !oiaAddr.IPv6Addr.Equal(lease.IP) {
 			log.Debug("DHCPv6: invalid IANA.Addr option in %s", msg.Type().String())
-			return
+			return false
 		}
 	}
 
@@ -245,6 +245,7 @@ func (s *V6Server) process(msg *dhcpv6.Message, req dhcpv6.DHCPv6, resp dhcpv6.D
 	if msg.IsOptionRequested(dhcpv6.OptionDNSRecursiveNameServer) {
 		resp.UpdateOption(dhcpv6.OptDNS(s.conf.dnsIPAddrs...))
 	}
+	return true
 }
 
 // 1.
@@ -310,7 +311,7 @@ func (s *V6Server) packetHandler(conn net.PacketConn, peer net.Addr, req dhcpv6.
 
 	resp.AddOption(dhcpv6.OptServerID(s.conf.sid))
 
-	s.process(msg, req, resp)
+	_ = s.process(msg, req, resp)
 
 	log.Debug("DHCPv6: sending: %s", resp.Summary())
 
diff --git a/dhcpd/v6_test.go b/dhcpd/v6_test.go
index 270e6ae9..60885a05 100644
--- a/dhcpd/v6_test.go
+++ b/dhcpd/v6_test.go
@@ -4,6 +4,8 @@ import (
 	"net"
 	"testing"
 
+	"github.com/insomniacslk/dhcp/dhcpv6"
+	"github.com/insomniacslk/dhcp/iana"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -54,3 +56,53 @@ func TestV6StaticLease(t *testing.T) {
 
 	s.Stop()
 }
+
+func TestV6GetLease(t *testing.T) {
+	conf := V6ServerConf{
+		Enabled:    true,
+		RangeStart: "2001::1",
+		notify:     notify,
+	}
+	s, err := v6Create(conf)
+	assert.True(t, err == nil)
+	s.conf.dnsIPAddrs = []net.IP{net.ParseIP("2000::1")}
+	s.conf.sid = dhcpv6.Duid{
+		Type:   dhcpv6.DUID_LLT,
+		HwType: iana.HWTypeEthernet,
+	}
+	s.conf.sid.LinkLayerAddr, _ = net.ParseMAC("aa:aa:aa:aa:aa:aa")
+
+	l := Lease{}
+	l.IP = net.ParseIP("2001::1")
+	l.HWAddr, _ = net.ParseMAC("aa:aa:aa:aa:aa:aa")
+	assert.True(t, s.AddStaticLease(l) == nil)
+
+	// "Solicit"
+	mac, _ := net.ParseMAC("aa:aa:aa:aa:aa:aa")
+	req, _ := dhcpv6.NewSolicit(mac)
+	msg, _ := req.GetInnerMessage()
+	resp, _ := dhcpv6.NewAdvertiseFromSolicit(msg)
+	assert.True(t, s.process(msg, req, resp))
+	resp.AddOption(dhcpv6.OptServerID(s.conf.sid))
+
+	// check "Advertise"
+	oia := resp.Options.OneIANA()
+	oiaAddr := oia.Options.OneAddress()
+	assert.Equal(t, "2001::1", oiaAddr.IPv6Addr.String())
+
+	// "Request"
+	req, _ = dhcpv6.NewRequestFromAdvertise(resp)
+	msg, _ = req.GetInnerMessage()
+	resp, _ = dhcpv6.NewReplyFromMessage(msg)
+	assert.True(t, s.process(msg, req, resp))
+
+	// check "Reply"
+	oia = resp.Options.OneIANA()
+	oiaAddr = oia.Options.OneAddress()
+	assert.Equal(t, "2001::1", oiaAddr.IPv6Addr.String())
+	dnsAddrs := resp.Options.DNS()
+	assert.Equal(t, 1, len(dnsAddrs))
+	assert.Equal(t, "2000::1", dnsAddrs[0].String())
+
+	s.Stop()
+}