Trunk between CISCO switch and Alcatel omniswitch 6850

CISCO

!
interface GigabitEthernet1/24
description ALCATEL 6850
switchport trunk encapsulation dot1q
switchport trunk native vlan 5
switchport mode trunk
!

Alcatel 6850

vlan 5 name "vlan_5"
vlan 2 name "vlan_2"
vlan 5 port default 1/24
vlan 2 802.1q 1/24