Hi All,

I am having problems using NAT on my Cisco 3620 router.  NAT translations
works fine but for some reason, the cpu utilization on my router starts
increasing to about 91% after a few days.  When access to the Internet gets
slow, I also notice that I have lots of dynamic address translation when I
do a "show ip nat stat", over 1000 active translation with dyanmic
translations being the majority and when my router is really slow, around
6000 dynamic translation.  When I do a "clear ip nat trans *", the router
returns to normal, cpu utilization also drops to around 10%.  Should I have
to do this every so often or am I missing something from my config file.  

I am currently running IOS 12.0(5) and have 48MB RAM on my router.

Any hints/tips would be greatly appreciated.

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