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Recommendations

The following simple guidelines will help you to successfully implement a campus fabric EVPN Multihoming design into your network.

  • Review the JVD extension for WAN router integration to make the best choice.
  • Review the JVD extension for DHCP relay integration to make the best choice.
  • All fabric networks should be configured in the following way to avoid inconsistency:
    • First, create them as part of your switch template for a site.
    • Then, import the created networks as part of the campus fabric dialogue and assign to VRFs.
    • Even if the system allows you a local network creation on a switch, do not use this option.
  • Do not manually configure VRFs locally on any switch. The fabric usually does this automatically on an as-needed basis.
    • The current exception to this rule is for a Layer 2 WAN router integration through transport VLAN. Review the JVD extension for WAN router integration and follow the example in the appendix.