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Network Design with Layer 3 Switch and UTM

PMIAdmin

Our network will consist of 5 access switches connected to a layer 3 core switch connected to a SG430. We will have several VLANS consisting of computers, VoIP phones, security cameras and card access readers. Total users will be around 100. We are fully cloud and no longer have any servers so no DHCP or DNS server. It appears my options are to use the core switch as layer 2 and let the SG430 handle the routing, DHCP and DNS or use the core switch as layer 3 and let the switch handle DHCP. Does anyone have a recommendation as to which setup will give the best performance? Am I missing any other option?



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    I had the same decision to make when we overhauled our network. I decided to let the core switch do the VLAN-routing because:

    1. I didn't require firewall rules between the VLANs (we only have data & voice).
    2. The performance will always be better on a switch.

    I then created a static route under "Interfaces > Static Routing" for the voice VLAN so the UTM can forward the voice packets to the core switch.

    I would definitely let the UTM handle DHCP & DNS.

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  • 0

    I had the same decision to make when we overhauled our network. I decided to let the core switch do the VLAN-routing because:

    1. I didn't require firewall rules between the VLANs (we only have data & voice).
    2. The performance will always be better on a switch.

    I then created a static route under "Interfaces > Static Routing" for the voice VLAN so the UTM can forward the voice packets to the core switch.

    I would definitely let the UTM handle DHCP & DNS.

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