usg flex 50 vs usg flex 100

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antoniocerasuolo
antoniocerasuolo Posts: 14
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Hi,

I have two questions:

1)I wanted to know what are the main differences between the usg flex 50 and the usg flex 100 besides the price?

2) when i buy the device will it work immediately? do i need to subscribe to anything?? a license i needed even if I buy the device?? please explain because its really not clear…

ciao,

Antonio

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  • mMontana
    mMontana Posts: 1,304  Guru Member
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    I'd personally go with the second one.

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  • PeterUK
    PeterUK Posts: 2,770  Guru Member
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    edited February 24
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    The FLEX 50 has lower Performance like SPI firewall throughput 350 vs 900 Mbs note that these numbers are not TCP

    You can buy the device without a license and will work when you register it here https://portal.myzyxel.com as you set it up

  • antoniocerasuolo
    antoniocerasuolo Posts: 14
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    so looking at this link , there seem to be huge differences like IPS.. email security.. etc..

    so doesn't seem to be only a speed thing..

    https://www.zyxel.com/it/it/products/next-gen-firewall/usg-flex-firewall-usg-flex-50/license-and-spec

    can you please explain?

  • mMontana
    mMontana Posts: 1,304  Guru Member
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    edited February 24
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    Specs are not "that" accessible, but are reachable. "Speed" is sometimes a misleading way to define transport capacity and this change if different services (email/web filtering, cloud AV, VPNs) and techiques (different stronger/heavier cyphers, remote authetication services…) are used. CPU the same, but load increase.

    Last but not least: while both are not "newest line" of Zyxel products, USG Flex 50 is a "brand rename" of the older USG-20 VPN, more or less, so it's… a bit older, as design, than USG Flex 100 (more or less 4-5 years).

    If it's your first firewall device and your ISP connection (more than one?) si faster than 50mbps in or out, USG Flex 100 might be a better option for future ISP upgrades.

    They share a defect: only 1gbe ports, no 2.5gbe or 10gbe.

  • antoniocerasuolo
    antoniocerasuolo Posts: 14
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    https://community.zyxel.com/en/discussion/comment/62458#Comment_62458

    thanks,

    I gave gigabit ethernet form my ISP, so should be getting the usg flex 100 i guess!!

    i plan on installing it in the following way:

    ISP ROUTER → USG FLEX →MY ROUTER → SWITCH

    therefore in between my ISP router and my router, my isp IP DHCP range is 192.168.1.0/24 but from what I understood the USG FLEX will automatically give out 192.168.10.0/24 ? is this really the case or will I have to manually change the LAN IP addressing?

  • mMontana
    mMontana Posts: 1,304  Guru Member
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    I'd personally go with the second one.

  • StefanZ
    StefanZ Posts: 191  Master Member
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    I have a F50 here to connect to an on-site F200.

    The F50 maxes out at around 350MBit / sec on the WAN side.

    That is fine for my admin use case, but as the only path to a GBit WAN you should at least go with the F100.

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