Patent ID: 8537839
Filing Date: 2013-09-17
Classification: H04L

Abstract:
1. A port unit, comprising: a label map memory to hold multiprotocol label switching (MPLS) labels; a stream data memory that holds stream forming data defining a plurality of packet streams for transmission over a network under test, the stream forming data for at least one packet stream including one or more pointers to respective locations within the label map memory; a traffic generator for generating the plurality of packet streams in accordance with the respective stream forming data, the traffic generator configured to a traffic receiver for receiving packets from the network under test; and a port processor coupled to the traffic generator and the traffic receiver, the port processor comprising a first memory that stores label tracking data including data to uniquely identify each of a plurality of label conditions sets and data associating each label condition set with one or more respective memory locations within the label map memory, wherein, when a control packet associating an MPLS label with a specific label condition set is received via the traffic receiver, the port processor performs actions including: