help me! after using NetFlow Analyzer ,cat 6509's problem!!!

help me! after using NetFlow Analyzer ,cat 6509's problem!!!

I using NetFlow Analyzer 5.0 version.
cisco catos 6509 config:

2 layer config:

set mls flow full
set mls nde x.x.x.x 9996
set mls agingtime 32
set mls agingtime ipx 32
set mls agingtime fast 64 0

3 layer cofig:

ip flow-export version 5
ip flow-export destination x.x.x.x 9996

problem :

1 cat 6509 2 layer: cpu load 5%-80%.
2 I don't want to monitor lan network ,only monitor wan network.
HOw can i use fiter ?

for example:

my lan network:192.168.1.0/24
192.168.2.0/24
i want to monitor from 192.168.1.0 and 192.168.2.0 to internet traffic

























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