Methods systems and apparatuses for dynamically tagging VLANs

摘要

Systems, mechanisms, apparatuses, and methods are disclosed for dynamically tagging VLANs. For example, in one embodiment such means include: means for receiving a packet having identified therein a source Media Access Control (MAC) address and a Virtual Local Area Network (VLAN) Identifier, wherein the VLAN identifier corresponds to a VLAN which is non-existent on a network switch; means for modifying the packet received to include two VLAN tags, a first VLAN tag corresponding to the VLAN identifier identified within the packet received and a second VLAN tag, distinct from the first; means for determining no forwarding database entry exists for the modified packet; and means for creating the VLAN on the network switch to handle received packets tagged with the VLAN identifier.

主权项

1. A method in a network switch having a processor and a memory therein, wherein the method comprises:
receiving a packet having identified therein, within a Customer VLAN Identifier (CVID) tag of the packet, a source Media Access Control (MAC) address and a Virtual Local Area Network (VLAN) Identifier; determining the VLAN identifier corresponds to a VLAN which is non-existent on the network switch; modifying the packet received to include a first VLAN tag corresponding to the VLAN determined to be non-existent on the network switch; and to include a second VLAN tag distinct from the first VLAN tag, to associate the source MAC address with the CVID tag of the packet; determining no forwarding database entry exists for the modified packet; and creating the VLAN on the network switch to handle received packets tagged with the VLAN identifier.