VLAN frame format

  • US 5,959,990 A
  • Filed: 03/12/1996
  • Issued: 09/28/1999
  • Est. Priority Date: 03/12/1996
  • Status: Expired due to Term
First Claim
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1. In a network device, a method of transmitting, on a shared communications medium coupled to said network device, a data frame associated with a virtual network, comprising the steps of:

  • a) transmitting a data frame having a type field whose contents indicate said data frame comprises a virtual network identifier field; and

    ,b) transmitting said virtual network identifier field whose contents indicate said virtual network associated with said data frame.

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