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If an ONOS instance fails because of issues, another ONOS instance is re-elected leader for VPLS and takes over for the intent installation process.

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Known limitations

At the present current stage:

  • Only VLAN tags can be used , no MPLS;

  • Hosts need to send into the network tagged traffic. “Access” or “untagged” ports are currently not supported;

  • Single-point to multi-point intents and multi-point to single-point intents still don’t support encapsulation. Traffic cannot be encapsulated through the core;

  • Run-time Interface configuration doesn’t support persistency. Either the configuration is loaded through an external json file or the configuration won’t survive after an ONOS reboot (teardown followed by setup or after a new setup).
  • A single host can be attached to an edge-port.
  • If some egress-points are attached to the same switch, the generated actions cannot be accepted by the switch.
  • to select traffic at the ingress, no MPLS