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IPS - Performance Problem

Hi guys,

I have a little performance issue and I hope anyone have an idea , how I can go on.

At this moment, it occurres only @home
Software Appliance - Version: 9.101-12

Internet - cable modem bandwidth100-120mbit/s - UTM
With the version 9.0, I have a throughput of 80-90mbit/s.

Since the update to 9.1, the throughput is only 20-30mbit/s (same config, same system).
If I disable the IPS, I get great values ​​again 100-110mbit/s. 
In the IPS configuration I select only the systems I use. I active the IPS and after seconds... I have the bad values again.

This is only from WAN to LAN. From LAN to DMZ, everything is all right.

Nice greetings


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  • what is everyone who is having this issue physical cpu type and speed?  then in hyper-v what percentage do you have setup and how many cores?

    Owner:  Emmanuel Technology Consulting

    http://etc-md.com

    Former Sophos SG(Astaro) advocate/researcher/Silver Partner

    PfSense w/Suricata, ntopng, 

    Other addons to follow

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  • what is everyone who is having this issue physical cpu type and speed?  then in hyper-v what percentage do you have setup and how many cores?

    Owner:  Emmanuel Technology Consulting

    http://etc-md.com

    Former Sophos SG(Astaro) advocate/researcher/Silver Partner

    PfSense w/Suricata, ntopng, 

    Other addons to follow

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