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When configuring VRF on a device, pay attention to the following points:

  • Enable IP routing function before using VRF function.
  • Currently, default VRF supports static routing and other routing protocols (BGP, OSPF, RIP, PIM), the user-defined VRFs support static routing and OSPF routing protocol. However, management VRF supports neither static routing nor any other dynamic routing protocols.
  • VRRP supports VRF function by binding the Layer 3 VLAN interface to a specified VRF.
  • A switch supports a maximum of 128 VRFs.
  • A Layer 3 VLAN interface can’t belong to more than one VRF, but one VRF can be bound to multiple Layer 3 VLAN interfaces. This is limited by the maximum number of Layer 3 VLAN interfaces a switch supports. A switch supports a maximum of 255 Layer 3 VLAN interfaces.
  • Loopback interface can be configured in the default VRF, management VRF or the user-defined VRFs.
  • If a VLAN interface changes the configuration to bind to another VRF, the IPv6 addresses of the interface need to be reconfigured to make it valid.
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