Cisco IOS Software Release 12.0 introduced several new features that allow you to alter the default behavior of the OSPF LSAs. These new features are Cisco proprietary in nature, so use them in a multivendor network with discretion.
You should first give a lot of thought to altering the OSPF default behaviors. With these precautions in mind, now it’s time to discuss them and determine where they would fit in your network.
The OSPF LSA group pacing feature allows the router to group OSPF LSAs and pace the refreshing, checksumming, and aging functions. The group pacing results in more efficient use of the router.
Cisco has made LSA group pacing the default behavior for OSPF in Cisco IOS Software ...