nagios network analyzer

Through the Linux network programming-the original socket programming, we know that we can get the link layer packets through the raw sockets and recvfrom (), what is the link Layer Packet we receive ? Link Layer envelope formatMAC head (wired LAN)Note : CRC, PAD can be ignored when group packageOne of the scenarios of a link-layer packet:unsigned char msg[1024] = {//--------------group mac--------------0xb8, 0x88, 0xe3, 0xe1, 0x10, 0xe6,//Dst_mac:b

One: Main steps1, install the SNMPD service Pack, and set the community name to add system boot2, deploy check_traffic.sh to Nagios 's plugin directory to libexec and authorize OH.3, network card detection parameters.4,nagios set the command for command.cfg, add service.cfgSecond: Specific work details1, install SNMPD, modify content, set boot bootInstalling SNMP

;NBSP;NBSP;0}I'm also a split line ************************************Error message7. Nagios Server Errorunknown-read or Write file/var/tmp/check_traffic_192.168.1.247_2__itnms.hist_dat_64 Error with User uid=501 (Nagios) G id=503 (Nagcmd) groups=502 (Nagios), 503 (nagcmd). Workaround:chmod nagios.nagcmd /var/tmp/check_traffic_192.168.1.247_2__itnms.hist_dat_

nagios is not monitored by default Windows Plug-in for network card traffic, but can be implemented through a third-party plug-in script. 1: Download the check_traffic.sh script and upload it to the/usr/local/nagios/libexec directory of the Nagios monitoring server.Official: Https://github.com/cloved/check_traffic2: Ex

above commandOk-the traffic in are 0.11KB, out are 1.08KB, Total is 1.19KB. The Check Interval is 1526s | In=0.11kb;1000;1400;0;0 Out=1.08kb;1200;1500;0;0 Total=1.19kb;2200;2900;0;0 Interval=1526s;1200;1800;0;0Define in and out values exceeding 1000K, 1200K warning, exceeding 1400k,1500k severity. (No output for first run, output after 30s)3 Defining the check_traffic command on the monitored sideVi/usr/local/nagios/etc/nrpe.cfgAdd toCommand[check_tr

Alarm garbled information as follows: 650) this.width=650; "Src=" http://s3.51cto.com/wyfs02/M02/57/6A/wKiom1SZXLDBxxJiAAC4evb6oGM411.jpg " title= "error. png" alt= "wkiom1szxldbxxjiaac4evb6ogm411.jpg"/> Observation of the alarm information: prompted to monitor the network card 11 status is not up (network card type is Realtek rtl8186c) To 245 check the network

Release date:Updated on: 2012-4 4 Affected Systems:Nagios XI Network Monitor 2011R1. 9Description:--------------------------------------------------------------------------------Bugtraq id: 56761 Nagios XI Network Monitor is a server monitoring and Network monitoring device. Nagios