Network Monitoring / SNMP for Video Surveillance Guide

Author: Ethan Ace, Published on Feb 02, 2015

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?
  • How do I monitor this data?
  • What monitoring do cameras, servers, and other devices support?
  • What is a MIB and how do I use them?
  • What practical surveillance applications are there?

************ ******* ********* **** ** *** *** *** ** ****** ******, but **** **** ***** **** ***** ******* * ****** ** "down" **** ** ******* ** ******** ***********.

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

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

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

Topics *******

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

  • **** ** ****?
  • **** *** ***** *** ********?
  • *** ** * ******* **** ****?
  • **** ********** ** *******, *******, *** ***** ******* *******?
  • **** ** * *** *** *** ** * *** ****?
  • **** ********* ************ ************ *** *****?

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

What ** ****?

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

  • ******** ********* ******* ******** ***********, **** ** *** *****, *********, disk ***** *****, ***.
  • ***** *** **** ** ****** *** ******* ** *********** ******, such ** *********** ******, ***** ****** ********, ****** *********, ***., which ** *** **** * ******** ******.

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

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

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

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

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

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


**** *****

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

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

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

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

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


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

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

*******

**** ** ******* ** *** ******* *** *********** ********, ** are ******* ** ****** **** *** **** *******. ****, **** as ****, ******* **** ******, **** ** ******** **********, ***********, and ***** ********* ******, *** **** ** ****.

**** ******* **** ******* ******* *** ***** **** *****, ****** for ***** ****** *** *** ******** ****** ******. **** **** traps **** *** ******** ********, **** ** *** ***** ********, temperature ******, ******** ********, ***. ****** *** ** ********** ** send * ****** **** *** *** ***** ** *** ******.

*******

******* ******* **** ******** ***********, ********* ******** *********** *******, **** as *** ****, ********** ** *** ***, ****** *****, **** I/O, *** ****.

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

******** **** ******* ******** ***********, ********* ** * **** ** port *****. ********** ** *** *** *** **** **** *** be ******, ***** **** ******,**** *******, *** ****. 

Dealing **** ****

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

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

 

************ ************

***** *** ******* *** ***** *** ***** ******* ********** ***** sense, *********:

****** **********

***** *** ******* ******* ***** *********** ** *******, ********* **/**** ****** and **********, **** *** ********** ********** ******* *** ******* **** detail.

** ********** *****, ***** *** *** *** **** ** *** camera ** ** ** ****, *** ********* ** *******, ** well. *******, ***** * ****** ** ***** **** *** **** health ** *** ******'* *** ********* ***** ******* *** ****** is **********, ********** ** ******* ** ** ******** ** ***, which *** ******** ****** **** ******* ** ***. *******, ********** throughput *** (******* ** *** ****** ****** ** ***** * switch ****), ***** *** ** ******* ** *** ****** ****** drops ***** ******* ******, ***** *** ******** ***** ****, **** if *** ****** ** ***** ***** ** ** *** ********** to *****.

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

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

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

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

**** ***** ******* ****** ******* *** ****** ***** ***** ** used ** ************ **********:

 

 

 **** **** *********

***** **** ** **** * * ******** ****

Comments (23)

*****,

**** *******. *** ***** *** * ****** *****. ** *** SMNP ******* ** ****.

* ***** *** **** **** ******** ** ** ******* * combination ** ***** *** ******** (*** *******) *** **********. ***** provide *** ********* ************. ******* ******* ******** ****** *** * database ** ***** ********** ****. ** ********** ******* ***** ** that * ****** ****** *** *** ** **** ** **** the **** ** *** ********. ** ******* *** ******, *** can ***** ********* *** ****** *** *********** ** ******. * have **** ***** ***** ** ***** *** ***** ********* ************, but **** ****** ******* *** **** *** *** **** ** be ****.

****** *** ******** *** **** **** *** **** ******** ** the ***** ** ***** *** *******!

***** ** **********'* * ****** ***, *** **** **********.

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

***** *******. * ***** ********* *** ** **** * **** at******** ****. ** ** * **** ****-****** **** **** ***** ***** ** ********** ************. * **** **** ***** ** ** ******* *******, ********, and ** ******* *** *'* **** ***** **** **. **** a ********** **** ** ****.

******* "***** *******" *'** ****** **** ****** ** **** ****** to **** ** *** ********. **** **** ** * **** good, ***** ******** ** *** ** **** ** ******* ****** ping.

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

*** ** ** ******** ******* ********** ***** **** ** **** is "*** ****". *** *** **** *** **** ***** ********. You *** *** ****** ** ***** ******** ***, ***** ** nice. **** ** **** ** *****, *** * ******** * very ***** **** ** **** ** ***** ***** ** *** notification, ******, ***************, *** ******** *******.

**'* * **** **** ******** ***'* **?

**** ** * **** ******* *******. ***** *** *****!

** *** **** ******* **** *** *************** *** ******* ******* Monitoring ******** ** * *** ** * ********? * **** it ****** *** ***** ********** ******* **** ****** *** *** used ** *** ***** *** **** ** *** ** *** be. ***** ***!

*** **** ** **** ** **** ** ****** *** ******** on ******* ******* ** *** ***** *******? ** ***** ** helpful ** **** ** *** ** *** **** ******** ** cameras *** *** ******* ** **** ** ****** **** *** in **** ** *** **** ****** **** **** ** **** in **** **** * **** ******. ** *****, ***** **** to ******* **** ***** ** ****** *********!

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

*** ***** **********, **** **** ********* **** ****'** ******* ** ** *** *******. **********, **** **** **** ** ** **, ** **** is ***** * ****. ********** * ****** ** ******** *** a ****** ******* ** * ***** ** ***-**** ********** *** free ** ****** ******** ** *** *******, ***** ** ****'* at **.

*****,

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

** ******* ** **** ** ***** ****** *** ********** ****** in *** ******* *******, ***?

**** *******

******* ************* *******, ***.

**************@***.***

**

** *** ***********, **** ** **** *** ****** **** *******. Surveillance *** ****** ******** ** ***** **** *** ****. ******* when *** *** * ****** ** ****** ** ****** ,*** are **** *******'* ** * ******** ****... **** *** **** have **** ******* , *** *** **** ****, ******* *** fromcamera ****** ** * **** ******.

**** **** *******. * **** **** ******* ** ** ****** monitoring ********* *********. * **** **** ******** ** ********* **** monitoring ** *** ** ** ****** *****, *** *****'* **** the **** ***. * **** ** ****. * ***** **** to *** * **** ** *** **** *********** *** ********* this ** *** *****.

**** *** **** * **** ** **** *** *****, ** a ******* ***** ** ** **** ***** *** *** **** it ****** **** **** *********

****

***** **** ** *** ***** ** *** ** ******* **** is ****** ***********. ***** ***

** *** ***** ** ******* *** *** *************. *** ******* allows ** ** ******** ****** ********** *** ***** ** ******* switches *** ****** ** **** * ****** **** *******. ** use ** ** ******** *** *** *** *** ********.

****://***.*****.***/

*****

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

** **** **** *** ****** **** **** ****** * *** for ********* *******. * ***'* **** ** **** ** ********.

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

**** ***********'* *** ********* ************** ******* ****** * *.******* ******* ********* ******** ****. ****: ********* ********* ** **** ******** **** ** ********* to ****.

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