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Method and apparatus for multicast switching using a centralized switching engine

  • US 6,553,028 B1
  • Filed: 04/30/1999
  • Issued: 04/22/2003
  • Est. Priority Date: 04/30/1999
  • Status: Active Grant
First Claim
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1. A method for operating a switch, the method comprising the steps of:

  • forwarding a multicast frame received at the switch to a router;

    performing route processing and forwarding operations for a packet encapsulated within the frame;

    receiving multicast flow and additional information relating to the packet from the router, the information received in a multicast shortcut protocol (MSCP) from the router and received by a multicast shortcut client (MSC) process on the switch; and

    implementing multicast shortcuts at the switch for subsequent multicast frames having the multicast flow using the information provided by the router.

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