netstat (network statistics) is a command line tool for monitoring network connections both incoming and outgoing as well as viewing routing tables, interface statistics etc. netstat is available on all Unix-like Operating Systems and also available…

Linux网络管理 (YouTube视频教程) ISO/OSI七层模型 ISO: The International Organization for Standardization 国际标准化组织 OSI: Open Systems Interconnection model 开放系统互连模型 MAC地址负责局域网通信,IP地址负责外网通信 文件传输端口(FTP端口)默认21 Www网页端口默认80 Mail邮件默认端口是25和110 ISO/OSI七层模型是理论基础,TCP/IP四层模型是优…

[root@bigdata-server-02 /]# ps --help all Usage: ps [options] Basic options: -A, -e all processes -a all with tty, except session leaders a all with tty, including other users -d all except session leaders -N, --deselect negate selection r only runni…

https://www.coverfire.com/articles/queueing-in-the-linux-network-stack/ Queueing in the Linux Network Stack http://blog.jobbole.com/62917/ [A slightly shorter and edited version of this article appeared in the July 2013 issue of Linux Journal. Thanks…

学习 Neutron 系列文章: (1)Neutron 所实现的虚拟化网络 (2)Neutron OpenvSwitch + VLAN 虚拟网络 (3)Neutron OpenvSwitch + GRE/VxLAN 虚拟网络 (4)Neutron OVS OpenFlow 流表 和 L2 Population (5)Neutron DHCP Agent (6)Neutron L3 Agent (7)Neutron LBaas (8)Neutron Security Group (9)Neutro…

30.9 Simple Network Management Protocol Network management protocols specify communication between the network management client program a manager invokes and a network management server program executing on a host or router. In addition to defining…

linux network namespace概念类似于网络中的 VRF (virtual routing and forwarding).但是,你不知道VRF的概念也没关系,下面我们通过一个简单的介绍以及 几个实验来了解. 概念 linux network namespace机制可以在一个linux系统中建立多个网络命名空间.各个命名空间互相独立,内部有自己的路由表和iptable,内部的设备名和其它linux network namespace中的设备名可以重名. 命令 这部分简单介绍一下n…

In one embodiment, a network management system (NMS) determines an intent to initialize a request-response exchange with a plurality of clients in a low power and lossy network (LLN). In response, the NMS adaptively schedules corresponding responses…

学习 Neutron 系列文章: (1)Neutron 所实现的虚拟化网络 (2)Neutron OpenvSwitch + VLAN 虚拟网络 (3)Neutron OpenvSwitch + GRE/VxLAN 虚拟网络 (4)Neutron OVS OpenFlow 流表 和 L2 Population (5)Neutron DHCP Agent (6)Neutron L3 Agent (7)Neutron LBaas (8)Neutron Security Group (9)Neutro…

转自:http://www.rane.com/note161.html An SNMP Overview The Message Format The Actual Bytes Introduction Although some RS-232 connectors still cling desperately to audio hardware products around the world, for years Ethernet and the Internet Protocol (I…