ICX 7150: Not letting me create a Router-Interface

HELP!!!I’ve been trying to create a vlan with its own dhcp server, however for some reason my switch is not letting me create a router-interface. I do have the dhcp pool ready for it, though.below is code:ICX7150-C12 Switch(config)#vlan 30ICX7150-C12 Switch(config-vlan-30)#tagged e 1/1/3Added tagged port(s) ethe 1/1/3 to port-vlan 30.ICX7150-C12 Switch(config-vlan-30)#tagged e 1/1/4Added tagged port(s) ethe 1/1/4 to port-vlan 30.ICX7150-C12 Switch(config-vlan-30)#untagged e 1/1/5Added untagged port(s) ethe 1/1/5 to port-vlan 30.ICX7150-C12 Switch(config-vlan-30)#router-interface ve 30Invalid input -> router-interface ve 30Type ? for a listICX7150-C12 Switch(config-vlan-30)#exitICX7150-C12 Switch(config)#show runCurrent configuration:!ver 08.0.70cT211!stack unit 1  module 1 icx7150-c12-poe-port-management-module  module 2 icx7150-2-copper-port-2g-module  module 3 icx7150-2-sfp-plus-port-20g-module!!!!vlan 1 name DEFAULT-VLAN by port!vlan 30 by port tagged ethe 1/1/3 to 1/1/4 untagged ethe 1/1/5!!!!!!!!!!!!!aaa authentication web-server default localaaa authentication login default localdhcp-gateway-list 10 192.168.30.1ip address 192.168.1.90 255.255.255.0no ip dhcp-client enableip dhcp-server enable!ip dhcp-server pool testvlan30 excluded-address 192.168.30.1 lease 1 0 0 network 192.168.30.0 255.255.255.0 option  3 ip 192.168.30.1 deploy!!username telepro password …..username user password …..username ruckus password …..username admin password …..!!interface ethernet 1/3/1 speed-duplex 1000-full!interface ethernet 1/3/2 speed-duplex 1000-full!!!!!!!!!end