Connecting a PVLAN switch to a non-PVLAN device
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United States of America Patent
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Feb 28, 2017
Issued Date -
N/A
app pub date -
Jan 30, 2015
filing date -
Feb 27, 2014
priority date (Note) -
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Abstract
A PVLAN switch for connecting a PVLAN to a non-PVLAN device is configured as a primary VLAN with secondary VLANs, the primary VLAN includes promiscuous ports, each of the secondary VLANs includes a smart PVLAN trunk port, and the smart PVLAN trunk port is included in at least two secondary VLANs where the smart PVLAN trunk port and the promiscuous port connect to non-PVLAN devices. A frame is received on a smart PVLAN trunk port sent from a non-PVLAN device, and includes a destination address and a secondary VLAN ID. The PVLAN switch port ID for the first frame, and a primary VLAN ID for the secondary VLAN ID are identified. If the frame is a non-isolated port, the secondary VLAN ID is modified to be the primary VLAN ID, and the modified frame is sent to another non-PVLAN device connected to the PVLAN switch port.
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