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Method of MPOA status change notification

  • US 6,643,289 B1
  • Filed: 12/29/1999
  • Issued: 11/04/2003
  • Est. Priority Date: 12/29/1999
  • Status: Expired due to Fees
First Claim
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1. In an Asynchronous Transfer Mode (ATM) based Multiple Protocol Over ATM (MPOA) network running LAN Emulation (LE), a method of notifying devices in said network of changes in device configuration status, said method comprising the steps of:

  • providing an MPOA device type TLV table for storing device type, Media Access Control (MAC) and control ATM address data;

    providing an LE_ARP cache table for storing LEC ATM to MAC address mappings;

    detecting changes in device status configuration in an MPOA device;

    if changes in said device status are detected and if said MPOA device comprises an MPOA Server, releasing all LE Data Direct VCs (DDVCs) to all LAN Emulation Client (LEC) ATM addresses associated with known MPOA Server and MPOA Client neighbors;

    if changes in said device status are detected and if said MPOA device comprises an MPOA Client, releasing all LE Data Direct VCs (DDVCs) to all LEC ATM addresses associated with known MPOA Server neighbors; and

    deleting all entries in said MPOA device type TLV table and said LE_ARP cache table associated with LEC ATM destination addresses of released DDVCs in an MPOA device for which a DDVC was released.

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