SNMP / Network Monitoring For Surveillance

Author: IPVM Team, Published on Aug 21, 2018

Surveillance systems typically rely on the the VMS to report issues, but this most often just means knowing a camera is "down" with no warning or detailed information.

Network monitoring systems can give users more insight into their network, from the camera to the switch to the VMS server, but are seen as too complex or expensive to be used in simple surveillance systems.

However, significant practical benefits can be gained by understanding these monitoring platforms, with free software available, and minimal setup time.

In this guide, we take a look at network monitoring specific to surveillance, explain the basics and software available, and give real practical examples of its use.

Topics Covered

In this guide, we cover these topics:

  • What Is SNMP?
  • What Are Traps And Requests?
  • Network Monitoring Software Basics
  • SNMP Integration Challenges
  • Using Network Monitoring Systems Demonstration
  • SNMP Traps Basics
  • Using SNMP Traps
  • Device SNMP Support
  • MIB File Overview
  • Manufacturer MIB Support
  • Default Sensor Support Rare
  • Surveillance Applications
  • Camera Monitoring
  • Server/VMS Monitoring
  • Switch/Router Monitoring
  • Other Related Systems

************ ******* ********* **** ** *** *** *** ** ****** issues, *** **** **** ***** **** ***** ******* * ****** is "****" **** ** ******* ** ******** ***********.

******* ********** ******* *** **** ***** **** ******* **** ***** network, **** *** ****** ** *** ****** ** *** *** server, *** *** **** ** *** ******* ** ********* ** be **** ** ****** ************ *******.

*******, *********** ********* ******** *** ** ****** ** ************* ***** monitoring *********, **** **** ******** *********, *** ******* ***** ****.

** **** *****, ** **** * **** ** ******* ********** specific ** ************, ******* *** ****** *** ******** *********, *** give **** ********* ******** ** *** ***.

Topics *******

** **** *****, ** ***** ***** ******:

  • **** ** ****?
  • **** *** ***** *** ********?
  • ******* ********** ******** ******
  • **** *********** **********
  • ***** ******* ********** ******* *************
  • **** ***** ******
  • ***** **** *****
  • ****** **** *******
  • *** **** ********
  • ************ *** *******
  • ******* ****** ******* ****
  • ************ ************
  • ****** **********
  • ******/*** **********
  • ******/****** **********
  • ***** ******* *******

[***************]

What ** ****?

****** ******* ********** ******** (****) ** **** ** ******* ****** and *********** *********** ** ********* *******. **** *********** ** ****** requested ** ** "*******", **** ** ** **** ********** ******, or **** ** * ******* (****** * "****") ** * device.

  • ******** ********* ******* ******** ***********, **** ** *** *****, *********, disk ***** *****, ***. **** ** ***** ********** ********* ******** a "******" ******* ** ** **** ********** ********, ********* *****.
  • ***** *** **** ** ****** *** ******* ** *********** ******, such ** *********** ******, ***** ****** ********, ****** *********, ***., which ** *** **** * ******** ******.

Network ********** ********

******* *** ********* ***** * *********** ********** ******** ***** ********** SNMP ******** *** ***** (** **** ** ***** *********) *** presents ****** ***********, **** ***** ***********. ******* **** ** *******, servers, ********, ***., *** ***** (**** **** ****** ******* ** a ***) *** *** ** **** "*******" ********** **** ****. A ****** ******** ******** ***** *** ** *********, **** ** pings, ******, *********, ** **********.

***** *** **** ******* ********** ********* *********, *** *********** *********** *** ******** *******, **** **** *** ****. **** ******* ********* *******:

** *** ************** *** **** *****, ** **** **** ******* it ** *** ** *** **** ******* ********* *********. ************, it ****** * **** ******* ** ****** ***** (****, ******* Management ***************, *** *** *****/***, ****, ****, *** ****), *** free ********* *** ** ** *** *******.

SNMP *********** **********

******** *** **** ******* ** ********* **** *****, ***** *** manager **** **** ***** ******** **** ********** ** ******* *** how ** ********* *** ******** (******* ** * ******/*** ***********), while ***** *** ********* **** ** * *** *****.

************, ***** ** ** ******** *** ***** ******** * ******** device ********, ** *** ******* ***** **** ************* *** ******* SNMP ******* ** *** *******, ****** ** ***. *****, **** is ****** ********** ** ******/******** *************, ******* ***** ** ********** for ********** ** **** *** ******* **** ******* *** *********.

Using ******* ********** *******

**** ***** ************ *** ****** ** ****** ******* ** **** as *********** *** ********** ******* ** ******* ********** ********:

SNMP *****

***** *** ********* ***** * ******* **** ** ******, ****** called * ********, ***** ** **** ** ******* *** ********* trap **** **** ****** ***********. ** ***** *** ****, ***** contain ******* ****** **** ********* *********** ********* ********* ** **** or *** ** ***** ****. *** ******* *** ************'* ***** look **** ****:

******-***-**::***********.****.*.*.*.*.*.* = *

******-***-**::***********.****.*.*.*.*.*.* = *

******* **************, **** ******* ** ******* ** *** ****. *******, once *** **** ** ********** **** ****** ***********, ** *** be **** ** ****** ****** ** ******** **** ******** ******.

** ****** ***** ** **** *****:

Device **** *******

**** ******** ****** ** ******, **** ******* ********* ********* *** least ***********, ***** ******* *** ******** ******* **** ******.

  • *******:**** ** ******* ** *** ******* *** *********** ********, ** are ******* ** ****** **** *** **** *******. * *** manufacturers (**** ** ******, ********* *****) ******* **** ******** *******, while ******, ********* ** ********, ****, *** *********, ******* **** detail *** *** ***** (********* *****), **** ** ******** **********, temperature, *** ***** ********* ******, *** **** ** ****. **** cameras **** ******* ******* *** ***** **** *****, ****** *** which ****** *** *** ******** ****** ******.
  • ******* (*******/*****):******* ******* **** ******** ***********, ********* ******** *********** *******, **** as *** ****, ********** ** *** ***, ****** *****, **** I/O, *** ****. *******, ****** **** ************* ** **** ******* due ** *** ****** ** ******* ********* *** *** ******* trial *** ***** ** *** ******* ***** ********** ** *** do *** ****.
  • ******** ****:****** *** *******, ******** **** ****** ******* **** *******, ** least *** ** *** ***. **** *** ** ********** *** manufacturer *** ***** **** *******, *** **** ** ********.
  • ******* ********:*******, **** ******* ******** ******* ******** ***********, ********* ** * port ** **** *****. ********** ** *** *** *** **** port *** ** ******, ***** **** ******,**** *******, *** ****. *******, **** **** ********** ***** **** ** a ****** *** ** ******, ** **** **** ** ********* seen ** * ******** ****** ** ********** *********, *** **** another *******. ******* ** ****, *** ***** **** ** ****** uplinks ** ******** *********** *** ** ********* *******.

Dealing **** ****

**** ** **** ****** ****** ************* **** ********* **** ***************, network ********** ********** ****** ** ******** ** ********* **** *** interpret *** ** ****. ******* ** ****, ************* *** ******* MIB ***** (********** *********** ****) ***** ******* ******* ** ***** requests *** ***** **** *******. ***** ***** *** **************** *** ******* ********** *********** ***** **** **** ** ********* SNMP ****.

**** ***** ***** *** ******** ******' *** ***** (******** ********* *** ********), ***** *** ****** ** ****:

mib file import to monitoring systems

MIBs ********

**** **** *** ***** *** **** ** ************ *** *** available *** *** *************. ***** ****** *** ****** **** **** may ****** ******** * *** ** ******* ***** ******* ** recorders ** ******. **** ***** ***** ************* ***** ***** ****, exactly **** ******* *** ********* ******, ** *** *********** ** more ***** *** ***** *** *************** **** **** *** **** expected ***********.

******* ************* ******** ***** ****, *********:

**** **** **** *** **** ** ******** ********* ************ *****. *******, **** ** * **** ********* ******* *** ****** the ***** ** **** *****.

Default ****** ******* ****

** *** *****, ***** *** *** ************* ***** ******* **** detailed ******* *** ** *** ***, ******* ********* *** *****. For *******, ****** ******** ******** *******, *** ****, *** ** card **** ***** ***** ******** **** *******, *** ****. *******, this ******* ** **** ****.

Surveillance ************

***** *** ******* *** ***** ***** ******* ********** *** ** an *********, *********:

  • ****** **********
  • ******/*** **********
  • *******/********
  • ***** ******* (***, ********)

Camera **********

***** *** ******* ******* ***** *********** ** *******, ********* **/**** status *** **********, **** *** ********** ********** ******* *** ******* more ******.

  • ********** ********** **** ** * ******, ***** *** ** ******* if *** ****** ****** ***** ***** ******* ******, ***** *** indicate ***** ****, **** ** *** ****** ** ***** ***** as ** *** ********** ** *****. **** ********** *** ** performed ****** ** *** ****** (********* ***) ** ** *** switch **** (********* **). *** *******, "******* **" ** *** switchport ***** ***** * ****** ****** **** ** ~*.* **/* (3,367 **/*).

  • ************, ***** * ****** ** ***** **** *** **** ****** of *** ******'* *** ********* ***** ******* *** ****** ** responsive, ********** ** ******* ** ** ********** ** **** ** not. **** ** *** ********* ********** **** * ****** *** failed, ** ***** ******** ** *** ****** *** **** (*** server, *********, ***.) ***** ** ***** ******** ** *****.
  • *******, **** ** **** ***** *** ** *********, ***** *** see *** **** ** *** ****** ** ** ** ****, but ********* ** *******, ** ****. **** ***** ******** *** camera ******** *********, **** ** ******* ** **** ******, ** trying ** **** ** **** ******* *** *** ***********/**** *********/**** framerate *********.

** ******** ** ************, ***** *** **** **** ****** ** historic ****, ***** *** ** **** ** **** *** **** disk ********, ****** ******* *** ********* ** ******** ********, ***. For *******, *** ***** ***** ***** *********** *** ******* ** volume *** ***** **** * ** *** ******, **** *** camera ********* ~*** ** ** ******* *****, *** ********* ***** 6.2 ** *** ******.

Server/Recording **********

******* ********** ******* *** ** **** ** ******* ***** ****** performance, **** ** *** *** ****** ****, **********, *** ****. While ***** ********** *** ********* ***** *********** ******* ** ***** tools, ***** * ********** ****** *********** **** *********** *** ******** servers, *** ****** *** ****** ******* *** ***** ****** **** a *********** ********.

**** **** ****** ******** ******* ******** ** ** *********. **** allows ***** ****** ********** ** ******** ****** ****** *** **** troubleshooting ***********, ***** ******* *****/****** *** ****** *** *** ** correlated ** ***** ******, **** ** **** **********, **** *** usage, ***.

*******, ****** ***** *** ** ********* ** **** ** * high ***** ******* ***** ** ***** ******** ** ***. ** monitoring **** ****** ********* *** ******, ***** *** ** ******* if **** ******* ***** ***** ** ******** *****. *** *******, if ******* *** ***** ******* ** **** ** * ******* of ** **/*, *** **** ****** **** ** *** **/*, but ******* *** ***** ** *** *********, ***** ** ****** a ****** ********* ***** ***** ***** ****** ***********.

********/*******

** **** *****, ****** ***** *** ** *** **** *** of ********** ****** ********** ** *** ****** **** *** ******* the **** ******* ****** ** ******* ********** *** *** *****. However, **** **** ********** ****** ***** ******** ******** *******, ***** typically **** ******* * *******. *** *******, ******* ** * 48 **** ****** *****, ** *** *** **** **** ** displayed ********** (****************, ****************, ***.). ********** *** ***** ** **** switch ***** ******* ** ******** ******* (** *** ***** **** 4 *******), ****** ** **** ****** **** **** *** ***** (critical *******, *******, *******) ***** ** *********.

******* **** ******** * ****** ******* **** ****, *** *** typically ***** **** ***** **** ********. ******* **** ********** ******* additional *********** ** ***** ********, **** ** ******** ******* ** VPN *******, ***** *** ** ****** ** *****-**** *******. *** instance, *** ******* ***** ***** * ********* ****** ** ****, monitoring ******** ****:

Other *******

** ******** ** **** ************ **********, ***** *** ** ********** in ********** ******* ******* ** ****, **** ***** (*************** ***** ******), ******** ******, ** ****** ******* *******. *** ******** ******* available *** **** **** ******, **** ***** ***** **** ********* with ******** *********** ***** ****** ******* *** **** ******* **/**** status ** *******.

Example ******* *** ******

*******, ** **** ***** ** ****** ****** ******* *** ****** which *** ** **** *** **** ** ************ **********:

Test **** *********

***** ****** **** * * ******** ****.

[[****: **** ***** *** ********** ******* ** **** *** ************* updated ** **** ** ******* ******** ****** ************, *** ************, and ******** ******** ** ********** *** ******* *******]]

Comments (15)

*** ********* ******** ********* *** ****** ********* **** *** ***** available. **** *** *** ********* **** *** ******* *** **** can ** ********* **** *** *** ********* ***** ***** *** software ** *********:

** *** ********** ******:
*:\******* *****\*********\******** ********** ******\******-***.***

** *** ********* ******:
*:\******* *****\*********\******** ********* ******\********-***.***

****** ******* ****:

****** **** ***

***** *****, ******!

**** ********! **** ********** ********:

*. * ***** ** ***** ** **** ** ******* *** various ******** (**/**/**) ** ****, **** ** *** **** ****** version. ***** ** *** ******* ***** ***** ** ******** ** find *** ***** ******** *** ******** *** *** ******* *** thus ***** ******* **** ** ********** (** *** *** *** up ** **** **** *******). **** ** *** *** ***** camera ****** ******* **.

*. ** **** **** ************** * *** ***** *** ***** ***** ****, *** ** open ****** *** ********* ****.

*. **** ******* **** ***** ****: ********* ** ****** ** devices, ****** ** *******, ****** *********, *** ***** ******** * lot ** ******* *******.

****** *** ** ** **** *** **** ******, *** **** what ** ** *****

** ***** **, ******* ******* ** * **** ** ****** which *** *** **** ********** **-******* *** ** * **** modern ******.

*** *** ***** ** * ******/**** *** *** ***** **** allows **** ********** ** ** ******* *** *** **** ******* to *** ******* ***** (** ***** ***)

**'** ******** *** ***** *** ********* **** **** *** ** doesn't **** ** *****.

* **** **** ***** (*****://***.*****.***/) *** ***** *** ***** ** a ******, ********* *** ******** **** *** ****, ************* *** graphing.

**** **** *** *** ****** *** * *** **** ******** to ***** *****. *** **** **** ***** ******** *** ** sent ** ******* *** ***** ********* **** *************.

*************(***),**** ****** *** *** ******* ** **** **** *** ********* queries ** **** **** *** ***** **** **** *** "****" closed ****** ********* *** *** ******* ** ******* ** * paid *******.

**** **** ****** ***** ******* *********** **** ***** ********* ******* SNMP ******** *** **** ** ******* *** ******** / ********** in ****** (*** "*" ** ***, *************-********-******).

snmp in ELK

** * *** ***** ***** *** ****/******** *** *** *** Data ********* *** ****** ******/**********.

**** ***** *** *** *** **** *** **** ******.

**** ** ********** *** ****. ** *** ******** *** ***, it's *** ******** *** ** ****. ***'* ***** **** ** Nagios ** ******* ******* ****** *** **** ****** ********** ****** administrators ** ****** *** *** ****** **** *** *****.

****** *******. ** * *********** ***, ******* ******, ************, *** monitoring ** *** ***** ** *** *********, *** ****'** * set ** ****** **'** ******* ** ***** ** *** ** camera *****. ******* **** **** ** ******* ** ***** *** space, *** **** ********* ** **** ** ******** ********* *** like **, **** *** ***** ** ********** *** *********** ********.

**** ** ***** *** ****** ***** ******* *** ** *** limited *** ************* ******* ** ******* ********** *** ***** ******* over * *******. ** ****** * ****** ***** ***** **** in *** * ****** **** ** ***.

****'* ***** **** *******? **** ******* *** **** **** **** the ****** ****

**** **** ***** *** **** ** *******. *** ** ** out ** ***** ** ** **% *** **** ***** *** way, ***. **** ** *** ** ************* ** **** *** traffic ** ** *********.

* ***** ****'* *** **** *** **** ** ***. ** by **** ***** **** *** **** ******* ******, **** *** need *** ** ****** ** ******* **** (*** ***** ** NMS *** **** ** ** ******). *** ** ***'** ******* about ******* ** ****** ****, **** ** ****** ********* ***** SNMP.

****** ****** ** ** *** ***** **** ** ****. **** have ****** ****** ************* ** **** ***** *** **** *******.

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