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Is this normal? UTM 9 home reducing ISP performance significantly

Hello,

I'm not a Sophos expert like many of you but I knew that it was a great value to be able to leverage enterprise grade firewall technology at a home. I signed up for and received the home license for UTM and installed it on a Zotac ZBOX-CI325NANO its got a quad-core intel celeron processor, 120gb SSD and either 4 or 8 gb of ram. When I had Comcast 100mb service I consistently received that speed at my end point devices. Comcast Gig recently became available and I decided to sign up. When I connected to the modem directly with my laptop I was able to get 940mb (although only from Comcasts own speedtest.xfinity.com website. If I plug my firewall in to the modem and connect directly to the firewall (with no switch) my speed drops to 500 mb on that same speedtest site. I check my firewall dashboard and the performance metrics all look good (low utilization on CPU, Memory, disk etc.). Does anyone have any advice on how I can get the most performance out of this? What optimizations could I make? Where do you think the bottleneck is? Obvious suggestions are ok too because I'm obviously not as practiced with this device as many of you. Thanks!



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  • Hi,

    the other trick you can try is increasing the idle speed of the processor in BIOS and UTM (CLI configuration).

    The issue being that one user usually cannot cause the IPS to run the processor up to full speed. If you try a second device at the same time you might have both devices downloading close to maximum link speed, so the link is staturated..

    Ian

    XG115W - v19.5.1 mr-1 - Home

    If a post solves your question please use the 'Verify Answer' button.

Reply
  • Hi,

    the other trick you can try is increasing the idle speed of the processor in BIOS and UTM (CLI configuration).

    The issue being that one user usually cannot cause the IPS to run the processor up to full speed. If you try a second device at the same time you might have both devices downloading close to maximum link speed, so the link is staturated..

    Ian

    XG115W - v19.5.1 mr-1 - Home

    If a post solves your question please use the 'Verify Answer' button.

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