公开(公告)号：EP4395265A1

公开(公告)日：2024-07-03

申请号：EP23159186.8

申请日：2023-02-28

申请人： Juniper Networks, Inc.

发明人： Cheng, Jing ,  Shamsundar, Abhiram Madhugiri ,  Gandhi, Pawan ,  Wu, Xiaoying ,  Wang, Jisheng

IPC分类号： H04L45/28 ,  H04L43/02 ,  H04L47/11 ,  H04L43/065 ,  H04L41/06 ,  H04L41/0604 ,  H04L41/0677 ,  H04L41/069

CPC分类号： H04L45/28 ,  H04L43/02 ,  H04L43/065 ,  H04L41/06 ,  H04L41/0613 ,  H04L41/0677 ,  H04L41/16 ,  H04L41/142

摘要： Techniques are described for detecting that a client device physically connected to a network device is "stuck," that is, the client device is not sending or receiving network packets with the network device. A network management system (NMS) receives current network statistics of ports of network devices with respect to client devices physically connected to the ports. The NMS identifies a candidate client device connected to a particular port of a particular network device for which the current network statistics indicate an issue. The NMS detects anomalous behavior of the candidate client device based on one or more features of the current network statistics, historical baseline statistics associated with the candidate client device, and peer statistics associated with one or more peer client devices of a same device type as the candidate client device. The NMS outputs a notification of the anomalous behavior.