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Dell Networking SmartFabric Services with VxRail vSAN Stretched Cluster Reference Architecture
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Networks and IP addresses
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SFS default fabric settings

Home > Integrated Products > VxRail > Guides > Dell Networking SmartFabric Services with VxRail vSAN Stretched Cluster Reference Architecture > SFS default fabric settings

SFS default fabric settings

  • Ensure that there are no conflicts between BGP autonomous system numbers (ASNs), IP addresses, and VLANs used in your existing network environment that SFS reserves for internal use. The values used by SFS depend on the domain ID configured on each SmartFabric instance.

    Note: For more information and other domain ID default settings, see the SmartFabric Services User Guide.

    This deployment uses two SmartFabric instances, one in Site 1 and one in Site 2. The SFS domain IDs used in this example are 100 in Site 1 and 101 in Site 2. The following table shows the default fabric settings for these two SFS domains.

    Table 3. SFS defaults for domain 100 and 101
    Site Domain ID used Leaf ASN Spine ASN BGP address range VTEP address range Client control VLAN Client management VLAN
    1 100 65011 65012 172.16.0.0/16 172.30.0.0/16 3939 4091
    2 101 65015 65016 172.18.0.0/16 172.31.101.0/24 3939 4091

    If any of the default fabric settings conflict with your environment, you can change them in the SFS UI after the switches are placed in SmartFabric mode. See the SmartFabric Services User Guide for instructions. Changes to the SFS default fabric settings will reboot the entire fabric and should be done as early as possible in the deployment.

    Note: VLAN 3939 is the VxRail default for node discovery and is the default SFS client control VLAN. If this VLAN is changed from its default setting of 3939 in the SFS UI, you must also change it to match on the VxRail nodes per your VxRail documentation.

    Note: OMNI uses 172.16.0.0/25 for its docker private network. To change the OMNI docker private network address, see the OpenManage Network Integration User Guide.