here is the link for the answer: & s) f e( y4 [2 r8 _# n! n* chttp://www.cisco.com/c/en/us/td/ ... /l3_ospf.html#24789 : R3 W6 r/ v6 Q0 H / |/ L+ c# H7 a; K) o% i4 X+ u/ p; [+ k9 x7 I U0 f) W! v
under flooding a group pacing:; Y1 b/ j- U% v( k
"You can control the flooding rate of LSA updates in your network by using the LSA group pacing feature. LSA group pacing can reduce high CPU or buffer utilization. This feature groups LSAs with similar link-state refresh times to allow OSPFv2 to pack multiple LSAs into an OSPFv2 Update message."# r3 t* d% p; n8 |