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Flow control for multi-hop networks

  • US 8,811,171 B2
  • Filed: 07/17/2013
  • Issued: 08/19/2014
  • Est. Priority Date: 10/23/2003
  • Status: Active Grant
First Claim
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1. A method comprising:

  • monitoring, by a network device, traffic into one or more ports of the network device based on a virtual local area network (VLAN) identification field in packets of the traffic; and

    if the monitoring indicates insufficient resources to handle traffic flow from a first VLAN;

    creating, by the network device, a frame indicating that the traffic flow from the first VLAN should be paused; and

    modifying, by the network device, a first field of the frame, the first field having;

    a value indicating a tagged frame; and

    a value indicating the first VLAN.

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