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Pass through only get 30/30 mbs

MrB974
Hi

When I have IPS enabled it reduced network speed to about 30/30 mbs between the ISP and WAN. Is there anything I can do to increase the speed by adjusting various settings, or must I obtain a larger CPU? 

-Do I need to upgrade to dual cpu 3Ghz i3 or higher?
 
-Do I need to upgrade my nics?


When I measure passthrough and gets 30/30 mbs. CPU1 is 96% and CPU2 0% in Shell access /loginuser, If I set IPS to OFF I get about 100/100 mbs.

I use eth1 as External WAN, and eth0 as internal network, 


Hardware:
Intel D2500CC Dual Atom (2 x 1,86 GHz 1MB Cache)
Ram 2x2 gb
eth0 Intel Corporation 82574L Gigabit Network Connection 
eth1 Intel Corporation 82574L Gigabit Network Connection 
eth2 Intel Corporation 82546EB Gigabit Ethernet Controller (Copper) 
eth3 Intel Corporation 82546EB Gigabit Ethernet Controller (Copper)  
eth4 Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ 

UTM9
Firmware version:  9.313-3 
Pattern version:  83605 


.

Sincerely Mattias


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