Dynamic vs. Static IP Addresses Tutorial

Author: IPVM Team, Published on Mar 01, 2018

While many cameras default to DHCP out of the box, that does not mean you should use it. This may seem basic for some, but those new to the industry may not know there are other options. In this note, we review:

  • Dynamic addressing
  • Static addressing
  • Advantages
  • Disadvantages
  • Potential issues of each
  • Public vs. private IP address impact
  • IPVM recommendations

Key Recommendations

In summary, there are three key points to remember about addressing schemes:

  • Do not use DHCP on surveillance equipment: There are few exceptions to this rule, but DHCP should generally only be used when staging cameras, not in the final installation.
  • Do use static addresses: The potential headaches of dynamic addresses far outweigh the slight increase in configuration time required.
  • DHCP address reservation: Provides the benefits of static addresses, but adds more configuration complexity. It should be used when IT policy dictates, and systems may not deviate. Reservations are also useful for the edge case devices that only support DHCP.

We review each of these items below, in more detail.

***** **** ******* ******* ** **** *** ** *** ***, that **** *** **** *** ****** *** **. **** *** seem ***** *** ****, *** ***** *** ** *** ******** may *** **** ***** *** ***** *******. ** **** ****, we ******:

  • ******* **********
  • ****** **********
  • **********
  • *************
  • ********* ****** ** ****
  • ****** **. ******* ** ******* ******
  • **** ***************

Key ***************

** *******, ***** *** ***** *** ****** ** ******** ***** addressing *******:

  • ** *** *** **** ** ************ *********:***** *** *** ********** ** **** ****, *** **** ****** generally **** ** **** **** ******* *******, *** ** *** final ************.
  • ** *** ****** *********:*** ********* ********* ** ******* ********* *** ******** *** ****** increase ** ************* **** ********.
  • **** ******* ***********:******** *** ******** ** ****** *********, *** **** **** ************* complexity. ** ****** ** **** **** ** ****** ********, *** systems *** *** *******. ************ *** **** ****** *** *** edge **** ******* **** **** ******* ****.

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

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

Static *********

********* * ****** ** ******* ** **** ****** ** *** most ****** *** ** ******** ** ****** **********. ** **** method, * ****** ******* ** ******** ******** ** **** ******, requiring ** **** ** ***** ********. ***** ***** ** ** chance ** ** ********* ********, ** **** **** ******, *** potential *** ********** ****** ** *******, ***** ******* *************** **** if ****** *****.

*** **** ******** ** *** ********* ***** ********** **** ********* addresses ** ********** *******. ****** ********* *** ******** ******** ** individually ********** ** **** ******, ****** ******** ******* *** *** interface, ** *** ************-******** ********. **** *** *** * *** minutes ** ************ **** *** ******, ***** *** *** ** in ***** *******.

**** ************ ***** ***** *** ***** ********** ** *******, ** a ******** ***** ** ******* *** ** ******** ** ********* from * ***-******* *****. ***** **** **** ******** *** ***** time ********, **** ** *** ******* *****, ******* * ******* addressed ** * *****.

****** ********* *** ********* *********** ** *** *******. *** ********** time ******** ** ***** ********* ** ******* ** ***** *******. In ***** *******, *** ***** **** ****** *** ** ***********, but ** **** **** ***** ** ****** ** *************** ***** a ****** ********** ******* ******* ******. * *********** ******** ** labor ****** ************ ** ********* ** ************* *************** ****.

Dynamic *********

*** **** ****** **** ** ******* ** ******* ********** ** DHCP (******* **** ************* ********), ** * ****** ***** ******* addresses ** * ********* ***** (****** * "*****") ** ******* as **** *** *********, ********* ** *** ***** *** ******* boot. **** ******* *** ***** ***** **** **** ***-**** ******* but *** **** ** *** ** * ******* ** ***** service. **** *******, ********* *********, *******, *******, ****** *******, *** more,******* ** ******** *** *******.

*** **** ******* ** ***** **** ** * ********* ** setup *****. ***** ** ******* ***** *** ******** * **** scope ** * **** ******/******, ***** *****. ***** ****** ****** the ***** *** *** ******* ** *** ***** *** *** long * **** ***** ***** (*** **** ****** *** ******* is *******).

******** *** **** ***** **** **** **** ** ** **** once ****** *** *******'* ******* *****. ******* *** **** ***** only ***** * *** *******. ***** ********** ** *** **** to ******* ** **** ****** ** *** *** ** ******* with ******* **********, ******* ******* **** ** *********. ***** ** the ********** ******* ** ** ** ****** ******* ******* ******* configuration:

*** ****** ** **** ****** ******, *******, ** **** ************* allow ******* ** ** ********* ** ****,*** ***** ***** ****, ***** * ********* ***** ** ** *******. ** **** case, *** **** ******* *** *******.

*******, ***** *** *** ****** **** ***** ****** ** ***** of ****** ***** ****:

  • *** *********** **** ********* *** ****** ** *** **** ******** to ***** ****. **** *** ******'* ***** *******, ** **** it ******* ***** ***** *******, ***** ** * ****** **** its ******** ** ******* **** ******. **** *** ******* ********, as ******* ***** ******* ** *** *** *** ** ******* (the **** ********) **** ** ****** **** ***** *** ****** is **-******* **** *** *** ******. ************, ******* *** ******* address *** ** * ********, *** *** ******* ***************'* ********* ****.
  • *******, **** ****** ***** **** ***** ******* ********* ** *** threat ** ***** **** *******. ************ **** ******* *** ** plugged **** *** *******, ************* ** ***************, *** **** ** supply *********. ** *** ** * ***** ***** **** **** is ******** ** *** *******, ******* *** *** ** **** to ******* ** *******, ** ** ******* ********* *** *****. This ** *** ******** * ******* *****, *******, ** ******* only **** * **** ****** **** ***** ***** *******, ** upon ****.

Dynamic ******* ************

**** ***** ****, ******** ******* ********* *** ** ******** ** the ****** *** ******** *******, ***** ** *** *******. **** prevents *** ******'* ******* **** ********, *********** *** **** ******** of ***** ****. ** ** **, *** ****** ****** ** set *** **** *** *** ******* ** ******* *** *** camera's *** ******* **** ** ******* **** *** **** ******'* setup. ***** ** ** ******* ** *** ***** / ********* for ******* ******* ***********:

Public **. ******* *********

****: **** ****** ****** ********* ******** (*******) ** ********** *** surveillance *******, *** ****** *** (***** ******** ** ***'* ******** service ********), *** ****** ** ****** **. ******* ***** **** looking ** ***** ******** ** ****, ** ****.

******** ******* ********* ********* ****** ***** ******* *********, ********** ** whether **** ** **** *** ****. **** ************* ************'* ************ ****** *********** *********, ** *** ** ******* *** have *******. ***** *** *** ****** ********* **** ** ********* this *****:

  • ***** *** ******** * ****** ** *******, *** **** ** typically * **** ******* ** *** ** ******** ******* **** (~$10-20 *** *** *****). **** *** ** ****** ********** ** larger ************* *** *** *********** *** *** *******, ** *** add *********** **** ** ******** *******.
  • *** **** ****** *** ****** **** **** ** ** *** dynamic ***, ***** **** * ****'* ****** ** ******* ** a ****** ********, *.*., **.**.***.** **** ** "****.******.***", **** *** dynamic *** ************* ******** ** * *** ******** ** ******* should ** ******.

** ****** **** ** ***** ****** ** ****** ****** ** our****** ******* ****** *** ***** ************ *****.

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

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

Comments (36)

** ******* ***** *** ******* * ****** ** *** ****** addresses ** *** *** *********, *** **** **** *********** *** cameras. *** ******* ** ******* **** *** *** ********* **** successful ****** *** ** ********** **** ***** * **** ****** failure ** * **** ***-************* ***** ** **********.

*** **** ** **** **** *******'* , **** **** ******

******* *** ** ******** ** * **** * **** *** for ******

**** ** **** ***** ** ******** *******'* *** ****** ***********

**** ****** **** **** *** *** ******** ***** ******** **** so ** ** **** *** ***** **** ** ***** ******* consistant

*** **** *** , *** **** ******** ****

* ********** **** ** *** ******** ******* ** * *** set ** ***** *** *** **** ****** **** ** *** them.

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

*** **** ** **** **** *******'* , **** **** ******

**** ***** **** * *** ****, ** *** *** ** effect ****** ** ** ******* *** ** *** ****** ** the **** ****. * **** **** ****** **** **** ** IP ****** ********* ** ** ****** ** ** *** ******* taken, *** ** *** *** ****** **** ****** **** *** rogue ****** ** **** *** ******* ** *** **** (******* lost, ****** ** *********, ******* ********, ***.) *** **** ** with **** *** ****** ** *** ******* *********** ******* **** IP ******** *** **** *** ******* ** *********.

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

**** **** **** **, **** ** ** , **** ** change ** ** ******

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

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

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

*** **** *** , *** *** ******** ** **** **** help ******* ***

****'* ******* **** *** ******** ***** *** ******* ************ ****** the *****.

****** ********** ******** ** ** **********, *** ****** ***** **** use *** **** ***** ** ****** *** *** **** *** the ****** *******. *** *********** *** ** **** ******* ******* (because *** ***'* **** **** *** ***** ****** **) ** IT **** **** **** ****** *** ******* **'* *** ******** like ** ****** ** ** ***** *********, *** *** ** with ** ** ********.

*** **** *** ** ** **** ** ** **** **** IT *** *** * ***** ** ** ********* **** *** not **** ** *** **** ******* **** ** **** *** range ******** **** ****. *** *** *** ** ** ******* like ******** ** ******* ** **** **** ********* ***** *** find **** *** ** ********** ***.

*** ***'* ***** ** *** **** *** ********* *** ** address *** **** ********** *** ** ** ** ***** ** the ******* **** ** *** *** *** ****** *** ** use * ***** *** ** *** **** ** **** *** been ********.

* ***** **** ****** ******* ** *** ****** **** *********. We ****** *** **** **** ******** ** ** **** *** care ** *** ** ******* *******. *** *** ****** *** camera *** **** **** ************* ********* **** ** *** ** address *******. **** ****** **** ***** ******* *****.

*'** *** ****** **** *** ******** ****** ****** ******* ** reboot, **** **** ** *** ******* ******. ***** ****, **'** switched ** ****** ***** *** **** ********. * ****** ** that *** ******* ** *****'* ***** ******** ******* **** *** VMS

* ****** ** **** *** ******* ** *****'* ***** ******** cameras **** *** ***

*****-***** ******* * ***** ****** ****** ** ****. ******** ******* + ******** *** ****** ** *** ******.

* ***** ****** ******** ******* *** ** *****/****. ***** **** your ******** * *** *** ** ** *** ******** ** *******/******* *** *******.*************, *** ******* *** ***** **% ********* ********.

*** **** ** *** **** ** *** *** ** *** article ******* ** ** ****.

*** - ***** ***, *** **** ** *******.

**** ********** *** ***** **** ** *** **** *** ** their ******, *** **** *** *** ** ****** *** *******. This ***, **** ******** ******* ** *** *** *** ****, so ** *** ** ******* *******, *** ****** ** ***** accessible.

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

*** ******* ******* *** ******* * ****** ******* ** * camera(or ******) ** ***** **** *********** ****** ********?

** *** ********** ****** ******* ** *** ******** ******* ** 'off ******' ** ****, **** *** ****** *** *** ** hand ** *** ** ******* ******, ******** ** ******* ********.

** *** *** * ****** ** * ****** ******* ** will ***** ******* ** ******* **** *** **** ******; **** if *** *** ******* ** ******** ****** *** ************* ** the **** *********** ******.

****** ********* ****** ***** ******* **** ********* (***-***********). ** *** statically ******* ****** **** ***-****, *** **** ****** **** **** out *** ******* ** ******* ******...**** *** ******* **** ** in ******** **** *** ***-**** ****** ******* ** **-**** ******.

**'* * **** ******** ** ***** ******* ****** ** ****** with **** ******.

**'* * **** ******** ** ***** ******* ****** ** ****** with **** ******.

******** * ***** ** *******, ** *** *********** ** ******** entered ***** ****** *** ** * *******.

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

**** ****, *** *** ******** ****** *** **** ****** *** camera ****** ** *** ***** *****.

**** **** ******** ***** *********** ******* **** **, *** ***** is ** *** ** ****** **** **** * ****** **.

"****, ****** *** ******** ******* ********** ** *** ****** ****** the ****** ** ******* *** ********** ** *** ***** ** a **** *******."

** ** **********, * *****'* ***** *** ** ****** **** can ********** **** **** * ****** ** ******* *** ** a **** ****** ** *** **** ****. ****** *** ****** has * ****** *******, ** ** ********* *** *** ****, both *** ************ *** **** (******* *** ** ****** *** when *** ***** *** ** ********).

** **** ** *********, ****** *** ** **** * ****** that ******** **** *******. *'* ****** ******* ** ***** *** things.

****** *** ****** *** * ****** *******, ** ** ********* one *** ****, **** *** ************ *** **** (******* *** is ****** *** **** *** ***** *** ** ********).

*** ******* ****** * **** ******** **, **** **** ******** devices:

***** *** **** ****! *** **** *** ***** *** ****** every ***.

** *** ******* ** ******** *** * ********** ******, *** would *** **** ****** **** *** **** ******* ** ******* device? ******'* *** *********** ******* *** ** ******* **** ** without *** ****** ***** ******* ** *** *******?

***'* **** ** *** *** ******** ********* *** **** ******* have * **** ******** ** ****** *** ******* ****** *** lock ** **?

**, ***

** **** ** ** , **** ***'* *** ***** ****** adding?

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

***'* *** *** **** *** ******** ** ** ***** **** on *** ******* ?

**** **** ** *** *** ******* *******'* ****** *** ******* occurs

*'* **** ** ********* *********** *** ******* ******** ** ***** dynamic ******* ***********. ****** *** **** **** ** ******* * camera, *** ** * ***** ** ** ******* *** *******, the *********** ***** **** **** ** ** ******* ****** *** camera ** ******** ** ** ******* **** *** ******** (** re-use *** ******** ******'* ** *******). **** ***** ** * problem ** *** *** ******* ** ** ******** ** ******* or **** ** **-**** ** ****** *** *** *** ** there ** *** *** (**** ** *** ******* ** **** with **** ****-**** ** ****** *** **** ****** **** * week), ******* ** ****** ** ******* *** ****** **** ** and *******.

**** ********* ************, ***** **** *** **** **** ******* *** reservation ***** ***** ******** **** * ******* ****** ** **** as ** ***** ** ********* *** ******* *** ****** ** addresses ** *** ***** ***** (****** ** ********* ****** ********), negates *** ********** **** ****** ******, ** ** *******.

***** *******. ****** ** ********* = ****** *********.

*'* **** *** * ***** ****** ** **** *** ******** Service ******** ******* *** ******* ** *******.

******* *** **** ****-*** ********** *** ** *** ********'* ********** and ***** **** **. ** **** ****** ****** ***** ******, log **** *** **** **, **** * *** *******, ** to ******, **** ** "****'* ** **?". ***** ** ****. Close *** ********** *******. ****** *** ***** ******** ** *** smartphone. ****.

***'* *** ********** ** **** *** ******** ****** ** ****** a ********'* **** *******. ** *** **, *** ****** ** the ***** *****... ***** ** *** $$$ *** *** * commercial *******.

*********** ****. ** ****** ****** *** ** * ******* ******* for *** *******, *** ****** * ***** ****** ******* ***** network *** ****. ** *** ********** ** ****** *** ***** we ***** ******* ** ***** *** *** ***/******, ** **** the ** *** *** ******** ******.

** ** *** **** ** *** ****** ** ** * tech ***** ** ** *** *** ** ******. ** ** limit **** ** .*** *** *****, *** ****** *** ***** of *** *******. ** ** ***** **** ** *** *** right ***** ******* ******* **...

******** *** **** ****** ****** , *** *** *** ********** why, ***** ***

*** ****** *** ****** **, ***** ********, **** ** ***** cameras, ****** *** * ********* *******'* , **** *** ****** into *******, *** ***** ******, *****, ***** *** *******, ** the ***** ******* ** *** *******, **** **** ** ***** out **** *** ******** ** ******** **** ******** ** *** camera ** ***** *** ****** *****.

******** ***** , **** ***** * ***** ** **** ** find , ****** **** *** ********.

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

*** ****, * **** **** ** **** ********** **** *** less **** ****** ** ******* *********** *** ** ****** ** OCD *******.

* **** ** * ***** ** ***** *** ** ********* into **** ****** ******. *'** **** ******** ** **** *********** installers ** ****** ***** ******* **** ********* ***** ** ******* in *******. *** ***, * **** * *** **** ***** training ****** *** *** ***** **** ** ** ********** ******* my ****. * *** *** *****!

**** ** *********. * **** ****** ********* *********. **** * few ***** ******* ** *** ****** ** ********** **** **** troubleshooting ******* ******.

******* ** *** *** ** ** ********** , ** *** field **** **** ** ******* *** ** *** **** ** IT *********. **** ****** ** ***'* **** *** *** *********** we ***** **** *********** *** *** ***** * .

******* ***** , ****** *** *********** ** *** ********* *** the **** ***

***** *** *** **** ******** ** ** ** * **** by **** ********* **** *** **** *** *** *** ******** , ********** *** ********* *** ** ***** **. **** ****** there *** **** ********* **** ***'* ****** ****** ***** *** rules .

** **** ** **** *** ** ***** **** ***** ** from *** ***** ** ***** ************ ****** ** **** **** the ** ** **** *** **** **** *****.

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

* ** ********** **** *****, ***** ** ********** *** ** nature

****, *** **** **** **** ** *** **** ******* ** that ** ******** **** ** ** * ***** ********, *** I'm ********* ****** ***** **** **** ******* **** ***** *****.

**** ****** ******* ** *** ********. ****** * ***** ** address, *** ********* * ****** ** ******* **** *********** ** only ********* ** *** ******** ********* *********** ** *** ******.

**** *** **** ******** ***** ******* ******** ** **** *** a ******* ******* *** *** **** ***'* ** *** ****, the ****** **** ******** *** ********** ** *** ****** *** therefore ** *****'* ****** **** *** ** ******* ** *** device ** ** ** ******* ** ** ******* ** ******.

** ****** ******* * ******** ******* *** *** **** *******. All ******* *** ******** ****** ** ********* **** *** *********, though *** ******, ******** ** *** ** **********.

** ** **********, ****** ** ********* **** *** ******* ****** to ******, ************ *** ******** ************ **** *********** **** **** little ** ********. ** ******* *** ********* ***** ** ******* and ***** *** **** ****.*****'* ** **** ** ***** *** manage * **** ****** ** ***** ***** ** ******* ************ or ******** ** **** ****.

*******, ******** *** ********* ********* *** ** *** ** *** bench ****** ** *** ****** *** **** **** ** **** for ************.

**** ***********, ** * ****** *****, **'* * ****** ****** to ****** *** ** ******* ** * *** ****** *** swap *** *** ****** ******. ** *********** ***'* **** ** concern ********** **** ******** *** ********* ** *** *********** *****.

** ** *******, ******* ********** ** **** ** * ******** in *** ******** ********.

** ***** ** ** ********* *** ********* *** **** ** just ** **** ********* ** ********* * ****** **. ** I ******* *** ***** ****?

********* - *** *** *** ***** **** **** **** **** time / ****** ** ********* ** *****, *** ***** *** solid *** ***** *** ****.

* ***** ** ****** **** *** ***** ******* **** *** work. * ** *** **** ** ****** ** ** ************* each **** * ****** ********, *** * ** **** ** get *** **** ******* ***** **** * ******* ** *** work ***. **** * *********** * *** ****** ****. (* am *** * *** ** ********* ** *********, ** **** feature ** ******* ***** ** **** ******).

**** ******* ** *** **** *** ******* ** ****** * static ******* ***; *.*. *** ******** **** (****** **** *******, smart ***, ********* *******, ******** ******** *******, ***).

****** *** *** *********** ********** ** ************ ******* **** ******** static ********* ** **** ********** ******.

*** *** ****** ****** **** * ********** ******, *** **** importantly, ****** ***'* *** ** *** ** *** ****** ******* range, ***** ** ***** * ***** ***** ** ********* ***** for ******** *** *******.

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

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