Patent ID: 8824484

Claim:
A device comprising: a first, a second, and a third Ethernet port; and a network interface connected to each of said Ethernet ports, the network interface configured to: for Ethernet frames received on the first port and destined for the second port or third port, ensure that any priority tags of the frames do not indicate a priority that exceeds a predetermined threshold upon transmission from the second port or third port; and for Ethernet frames received on the second port or third port and destined for the second port or third port, preserve the priority level indicated in any priority tags of the received frames upon transmission from the second port or third port, for Ethernet frames received on the first port and destined for the second port or third port, ensure that any priority tags of the frames do not indicate a priority that exceeds the predetermined threshold upon transmission from the second port or third port by setting the priority level of the frames to a default value.