Method of multi-port virtual local area network (VLAN)...

Details Method of multi-port virtual local area network (VLAN)... Method of multi-port virtual local area network (VLAN)...

2004-07-27

2010-12-07

Wilson, Robert W (Department: 2475)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S399000, C370S395500

Reexamination Certificate

active

07848333

ABSTRACT:
The present invention provides a method of supporting a multi-port virtual local area network (VLAN) with a multi-protocol Label switch (MPLS), comprising steps of: establishing a label switching path (LSP) by the label distribution protocol (LDP), and obtaining information binding a forwarding equivalence class (FEC) and a label or information binding an ingress label and an egress label, and an address of a LDP peer entity at an opposite end, which is a next-hop IP address; the MPLS table item managing module creating a forwarding-relation table, and adding a forwarding-relation table item based upon the obtained information; obtaining an egress port corresponding to the forwarding-relation table item based upon the next-hop IP address; and accomplishing the MPLS via the egress port. With the present invention, it is possible to support the multi-port VLAN in a three-layer switch with the function of the MPLS and implement the MPLS in the VLAN.

REFERENCES:
patent: 2001/0049739 (2001-12-01), Wakayama et al.
patent: 2002/0138628 (2002-09-01), Tingley et al.
patent: 2002/0191572 (2002-12-01), Weinstein et al.
patent: 2003/0133412 (2003-07-01), Iyer et al.
patent: 2004/0017816 (2004-01-01), Ishwar et al.
patent: 1433642 (2003-07-01), None
patent: 315668 (2003-11-01), None
patent: WO 02/01909 (2002-01-01), None

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