Symptom
OSPF not originating Traffic Engineering Opaque LSA for a link though "mpls traffic-eng tunnels" is configured in it
Conditions
In the following sequence of events:
1. OSPF and MPLS TE are configured in the interface
2. Interface config is removed using "default interface"
3. OSPF and MPLS TE are configured back in the interface
Workaround
Delay between steps (1), (2) and (3)
Further Problem Description
Recovery can be done by doing "no mpls traffic-eng tunnels" and "mpls traffic-eng tunnels" or "clear ip ospf process"