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Sophos XGS 126 - highest network speed

John245

Do I need a layer 3 aggregation switch to get the optimal network speed.

A part of the architecture diagram is given below (currently the FW's are in place and 2 L2 switches (which will be replaced)).

I want the highest speed for the NAS. It has a 10GbE port and can be connected to the 10GbE port of the layer 3 switch. Will this give 10GbE throughput? Is my assumption correct that in case I connect this NAS to the 10 GbE Layer 2 aggregation switch the throughput is limited to 1GbE as the traffic will go through the FW?

---

John



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    Hey  ,

    Just for your understanding, the differences between the layer 2, layer2+3 and layer3+4:

    > layer2
    # Generate the hash value using MAC addresses. This algorithm will place all traffic to a particular network peer on the same slave and is 802.3ad compliant.

    > layer2+3
    # Generate the hash value using a combination of layer 2 (MAC address) and layer 3 (IP address) protocol information. This policy is intended to provide a more balanced distribution of traffic than layer2 alone, especially in environments where a layer3 gateway device is required to reach most destinations. Again is 802.3ad compliant.

    > layer3+4
    # Generate the hash value using transport layer protocol information. This allows for traffic to a particular network peer to span multiple slaves, although a single connection will not span multiple slaves. Not fully LACP or 802.3ad compliant, may create unordered packets traffic.

    Thanks & Regards,
    _______________________________________________________________

    Vivek Jagad | Team Lead, Global Support & Services 


    Sophos Community | Product Documentation | Sophos Techvids | SMS
    If a post solves your question please use the 'Verify Answer' button.

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  • 0

    Hey  ,

    Just for your understanding, the differences between the layer 2, layer2+3 and layer3+4:

    > layer2
    # Generate the hash value using MAC addresses. This algorithm will place all traffic to a particular network peer on the same slave and is 802.3ad compliant.

    > layer2+3
    # Generate the hash value using a combination of layer 2 (MAC address) and layer 3 (IP address) protocol information. This policy is intended to provide a more balanced distribution of traffic than layer2 alone, especially in environments where a layer3 gateway device is required to reach most destinations. Again is 802.3ad compliant.

    > layer3+4
    # Generate the hash value using transport layer protocol information. This allows for traffic to a particular network peer to span multiple slaves, although a single connection will not span multiple slaves. Not fully LACP or 802.3ad compliant, may create unordered packets traffic.

    Thanks & Regards,
    _______________________________________________________________

    Vivek Jagad | Team Lead, Global Support & Services 


    Sophos Community | Product Documentation | Sophos Techvids | SMS
    If a post solves your question please use the 'Verify Answer' button.

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