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Virtual circuits management. Simple database of allocated VC identifiers of different types.

VCs are separated into VC Domains while remain unique within VC Domain and own kind.

Supported VC Types:

  •  802.1Q VLAN
  •  802.1ad Q-in-Q VLAN stack
  •  FrameRelay DLCI
  •  MPLS label stack (up to 2 labels)
  •  X.25 logical groups/logical channel


  • VC - virtual circuit. Combination of one or two L2/L2.5 labels. Common examples: VLANs, VLAN stacks.
  • VC Domain - Administrative entry within all VCs of any given type are unique