sniff network traffic

This article describes in detail how to set up wireless networks to reduce network traffic? This article will give you a detailed explanation. How can we reduce the cost of network traffic while ensuring the network speed? This is an urgent problem for many enterprises, espe

Linux network traffic control tool-Netem Article 1: ConceptsNetem is a network simulation function module provided by Linux 2.6 and later kernel versions. This function module can be used to simulate complex Internet transmission performance in a LAN with good performance, such as low bandwidth, transmission latency, and packet loss. Many released Linux versions

Recently, the company's traffic suddenly increased, after inquiring about the room, a total of two server traffic is relatively large. One is the resources to provide download upload (normal), there is a club, Member login Center traffic is very large (not normal). All install a iftop tool to see the network card, as w

Reference:Http://blog.163.com/[email protected]/blog/static/28596246201092081139283/I. Acquisition and installation of IftopCentos:yum Install IftopUbuntu:sudo Apt-get Install IftopCompile and install:Iftop is also a member of the Free Army, as follows:Click to download IftopIftop needs to rely on two packages, Libpcap and tcpdump respectively, to install the two guys before installing iftop.Click to download Libpcap and tcpdumpDon't rush to download and install Libpcap and tcpdump, if the syste

Introduces a powerful analysis of the network shell script, this script is split from the ezhttp, feel the need to introduce separately. Screenshot of script run effect: This script contains features such as: 1, real-time monitoring of any network card traffic2, statistics in 10 seconds average flow3, statistics of each port in 10 seconds of the average flow, based on client and server-side port stat

View CPU, memory, network traffic, and disk I/O in CentOS Install yum install-y sysstat Sar-d 1 1 Rrqm/s: the number of merge read operations per second. That is, delta (rmerge)/sWrqm/s: Number of write operations performed on merge per second. That is, delta (wmerge)/sR/s: The number of read I/O devices per second. That is, delta (rio)/sW/s: the number of write I/O devices completed per second. That is, de

CentOS view CPU, memory, network traffic, and disk I/O installation yum install-y sysstat sar-d 1 1 rrqm/s: the number of merge read operations per second. That is, delta (rmerge)/swrqm/s: Number of merge write operations per second. Delta (wmerge)/sr/s: the number of read I/O devices per second. That is, delta (rio)/sw/s: the number of write I/O devices completed per second. That is, delta (wio)/srsec/s: N

Third-party routing software has been available for some time, but we have no choice but to continue recommending these products to users who want to add new features to their home network. Our favorite routing firmware is still tomato, because it provides good compatibility for a variety of brands and models of routers, and its user-friendly, powerful user interface. Below I will tell you how to upgrade your router firmware to the latest tomato versi

ArticleDirectory Transferred from: Http://blog.csdn.net/0210/article/details/5437368 Some bugs in the original article have been modified. In the GUI, a routing tool can display network traffic. What should I do under the command line? Obviously there are some methods. For example, ifconfig will have such output:RX Bytes: 1224128649 (1.1 Gib) TX Bytes: 34114947 (32.5 MIB) After a w

Recently received a line of a DB server ping drops, packet loss rate has been around 30%. Through the Zabbix monitoring to view the server CPU, memory is normal, network card traffic is not high, basically around 100M.650) this.width=650; "Src=" Http://s3.51cto.com/wyfs02/M00/85/75/wKiom1ekGFCBE0nWAAHfgGoPDTk656.jpg-wh_500x0-wm_3 -wmp_4-s_2484793242.jpg "title=" icmpping.jpg "alt=" Wkiom1ekgfcbe0nwaahfggopd

command prompt, type "netsh int IP Set chimney disabled" and then press Enter. However, this does not change the data displayed in the packet capture tool, you should continue, close all scalable network pack features, see Knowledge Base Article 948496, or http://support.microsoft.com/kb/2570111 To manually disable RSS, netdma, and TCP offload, follow these steps: Click Start, click Run, type regedit, and then click OK. Locate th

Ntopng Introduction:Ntopng is the original ntop next-generation version for real-time network traffic monitoring display. Ntopng is similar to the RMON Remote network Monitoring agent, with built-in Web service capabilities that use the Redis key value service to store statistics on a time series basis. You can install Ntopng on any designated monitoring server,

servers, and important parts of the backplane used to handle mission-critical data. The second advantage of VLANs is: the management tasks caused by network changes are greatly reduced, that is, administrators can reduce the number of users across the network to move and change the physical location of the user workload, especially in the case of multiple network