Patent ID: 9184932
Filing Date: 2015-11-10
Classification: H04L

Abstract:
1. A method of monitoring traffic within a network, the method comprising: receiving, at a first node within a network, one or more loopback messages from a second node within the network, wherein each loopback message includes a target address parameter and a data portion; deciding whether to reply to a particular loopback message based, at least in part, on whether that loopback message includes either: in response to deciding to reply to a particular loopback message, generating a loopback reply based on that loopback message, wherein the generated loopback reply includes the data portion of that loopback message; wherein generating the loopback reply based on a particular loopback message comprises setting a source address parameter of the loopback reply to a Medium Access Control (MAC) source address of path that has a target address matching the source address parameter of the loopback message.