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OSPF monitor

  • US 20040190457A1
  • Filed: 02/25/2004
  • Published: 09/30/2004
  • Est. Priority Date: 03/24/2003
  • Status: Active Grant
First Claim
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1. A network monitor for passively monitoring traffic on a dedicated packet-switched data network connecting network controllers controlling associated network elements of an automatically switched optical transport network;

  • said monitor being adopted and programmed to filter protocol frames of a predefined protocol type by which said network controllers advertise the network topology and status; and

    to extract from the filtered protocol frames information about the topology and status of the transport network and displays these information graphically to a user.

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