The opaque-capability enable command enables opaque LSA capability.
The undo opaque-capability command disables the opaque LSA capability.
By default, opaque LSA capability is disabled.
Usage Scenario
Opaque LSAs provide a generic mechanism for OSPF extension: OSPF supports GR using Type 9 LSAs.
Before configuring OSPF GR, you must enable opaque LSA capability running the opaque-capability enable command.
Configuration Impact
Enabling or disabling the opaque LSA function may delete and re-establish all sessions and instances.