vlan-tagging on ospf interface

[jayshankar nair]

Hi,
 I have ospf interface ge-0/0/3 on peer routers. I am able to ping from one router to other when vlan-tagging is not enabled. When i enable the vlan-tagging on peer interface. I am unable to ping. Below is the vlan tagged enable configuration. Also the interface is added to ospf protocol
OSPF-MultiArea
jcluser at vMX1# show vlan-tagging;unit 600 {    vlan-id 600;    family inet {        address 10.100.12.1/24;    }}------------------------------
jcluser at vMX2# show vlan-tagging;unit 600 {    vlan-id 600;    family inet {        address 10.100.12.2/24;    }}Please let me know if the configuration is right.
Thanks,Jayshankar