Shulou(Shulou.com)06/02 Report--

SNMP

COMMAND

REMOTE Script

RRDTool

Cacti (php)

Display tool

Time series data

Nagios

ON-- > Off

SNMP

Simple Network Management Protocol

SNMP V1

Three Communities in SNMPv1:

Read-only

Read-write

Trap

SNMP V2

SNMP V3

MIB

Management Information Base

Table of mapping relationship between OID and name

Standard MIB Library: MIB-II

Objects that can be monitored in the network:

HIDS NIPS

SNMP UDP 161

IDS

Intrusion detection system

IPS

Intrusion Prevention System

Monitor the logical process:

Public and private SNMP community

SNMP Operations

NMS and Agent logic diagram

Net-snmp (Agent)

Net-snmp-utils (NMS:command)

Monitor installation of utils

The monitored end installs Agent

If the monitor side wants to accept trap information, install two packages

Snmpwalk-v 2c-c public tcp

RRDTools

Rotating database

RRA:round robin archives

PDP:Primary Data Point

CDP:Consolidation Data Point

Resolution: resolution

RRD file:

DS: (Data Source) data source

CF:MAX,MIN, AVERAGE,LAST aggregate function

Unknown

Rrd, DS

Rrdtool update test.rrd timestamp:32

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.