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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.
  • For AmpCon environment, PICOS will restart the OpenVPN connection between the switch and AmpCon Server, switching the OpenVPN connection to the management VRF, if Eth0 is used to connect to the AmpCon Server and management VRF is enabled. This may cause a short interruption in communication between AmpCon Server and the switch.

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