ADI More Bad Advice: Network Switches

Author: Brian Karas, Published on Mar 04, 2016

Run with scissors?  Play in traffic?  Trust ADI for networking advice?

The last we checked with ADI, they were promoting bogus numbers from a shady research firm.

Now, ADI has turned back to the technical side, with bad advice on network switch selection. In this post, we examine what they recommended, what is wrong and 5 reasons why you should consider the alternative.

*** **** ********?  **** ** *******?  ***** *** *** ********** ******?

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

***, *** *** ****** **** ** *** ********* ****, **** bad ****** ** ******* ****** *********. ** **** ****, ** examine **** **** ***********, **** ** ***** *** * ******* why *** ****** ******** *** ***********.

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

ADI ******

*** *********** *** ***** ********* ******** *** ** ****** ************.  ***** ***** ** that ******* ******** *** *** '************, *********, ***** ******* *** ** ***** “**********-*****” ********', *** that ********* ******** "**** ******* ***-*** **** * ***** ** ********* ******** ** work **** **** **** ****** ** ******* ********* ** *******." 

******, *** ***** ************, ** *** ****, *** ********** ******** on **** * ****** ******** - ****** ** *****, ****** ****** and ****** *****.

IPVM ******** ** ******** / ********

*** ********** *** ***********, ***: 

5 Benefits ** ******* / ***** ********

***** / ******* ******** *** **** *************** **** ****** **** ******, saving ****, ***** *** *********. *** **** ** ********** ********* in ** ***** ******* ***** *** ****** ********* ****, *** demands *** ********* ************ ****** *** ** * *******.

***** ** ** ******** *** ** ******** **** * ****** is ******** ** **** ** ***** ** ** ****** * "managed ******", *** ***** ** ** ********** ***** ** ******** often ******** ** ** "***** ********" **** ********* **** **** features **** * **** ******* ******.

**** ******* * ******* ******* ******* ***, ***** *** * few ****** **** *** **** **** ** ****** ***** ***** or ******* ****** **** *** ** ********** ** ******** ******* installation *** ***************:

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

**** *********, **** ***** **** ** ****** *** *** ********* ** the ****** ***** *** ** ********** **** ** ** ** and ******* *** *** ****** ** *** *** ** *** switch ****** ***** ****.

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

*** *** *** ** * ****** ***** ***** *** ** or ****, *** **** ****** **** ******** **** ** ******* in ***** (******** **** *** *** **** ** ********). 

 

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

* *****/******* *** ****** ******, ** * *******, **** ***** and ***-**** ***** ***********.  **** ****** **** **** *** *** power ***** *****, ****** ** **** ** ******** ***** * device, *********** ****** *** * ***** ****. ********, ** ******* are ******* *** **** *****, * ****** *******, **** *** help * **** ****** **. ******* ****, *** **** **** have ** *****.

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

******** **** **** ******* ******* *** ****(*) ******** ** *** traffic ****, * ******* **** ****** *** ** ***** ** the ******* **/**** * ****** **** * **** **** ********* **** *** ** **** ******* **** ***'** ****** ** ****** out *** * ****** ***'* ******* ** * ***, ** why *** ******** ***** ***** ** ******* ** ****

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

**** ***** ** * *** *********, **** ******** **** ******* * new/unknown ****** **** ***** ******* ** *** *** ******* ******** it ** *** ****** *********.  **** *** **** ******* ***** devices **** ***** ******* **** *** *******

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

***** *** **** ******** ** *****/******* ******** **** ******** ***** only ** **** ** ****** ** **** ******* ********:

  • *** ******** - ** *** ****** ** ********* ** *** camera ******* **'* ******** *** **** **** ** ** ******** with ******* ** ******* ********
  • **** ******* - *****, ** * ********* ****** ** ****** need ** *** ** ** ***-**** *******, *** ** *** be ****** ** *** **** ** *** * ****** ******* on *** **** ****** ** ******* *******
  • **** ******* - ******* ** * ***** *******/********** **** **** Nagios ** ******, *** ** ***** ** ******* ** * small ******, ** **** ***** **** ******* **** ** ******

Modest ***** *******

***** *** ******** ** ***** *** ********* ********, *** ***'* ********, *** might ***** **** ***** ** * **** ***** ******* *** a ******* ******.  **** ***** *** *** ***** ***** ******* managed *** ********* ******** ***** ** ***** *********** *** ***** ** is ****** ******* ********** ******** ** *** **** *** ***** troubleshooting ** ***** ******.

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

  • ******* ***** *** - **** *** * $** ***** **********.  **** ****** *****'* do ***-**** *** ***** ******, *** ** **** **** * basic *** *********, **** **********, **** *********, *** **** ***** diagnostics *** ********* *** *********** ***** ******.
  • **** ** ** * **** (*** ***)**-**** ***** ********* $***, *** * ********** *** **, ****** **** **** 4 *** *****: **-****-**-*******, **** ** **** ** * ****** ********** *** ** still **** * $** ***** **********.  *** ******* ****** ***** pay *** ****** *** ***** **** ** ******* *** ****** diagnostics *** ********* * ***** ****, ** ** ** ***** ~********* ** ******** ****.

Deciding ** ******* ** *********

**** ******-********* ******* *** ****** ****** *** *** ** * managed ******* ******.  ***** *** ***** ******** ** ******* ********, and *** **** **** **** *** ******* ********* ** * Port ******** ******** **** *** *** ******** **** *** "***** ** ********".

***** ** ********* ****** ** *** '*****' *** *********** ****** carefully ***** *** **** ******** ** ***** ******** ******** ** their ****** ***** *******. ******, *** ***** **** *** *** a ****** **** *** * ******* ******.

Comments (37)

"*** **** ********? **** ** *******?" ****, ******** *** **** lines *** ******** *****. :)

*** ***, ****** * ******* ** * "*****" ****** *** save * *** ** **** *** ******* *** ******** *** the *** ******, ****** **** ******* *** ***** **** **** and *** *** ** **** ***** **** ****** ****** *****.

* ***** *** **** ********; ****** ******* * ***** ***.

*** ******** ********* *** ****** **** *** ** ** ******** systems. ** *** ***** ** ** ***** / ****** ******* / **** *******, **** **** ***** ********** *** ******** ** be ********** **** ******** **** ** / ****** ****** **** an **-******* ******, **** **** ** ** *** **** ** to ******* ** ********. ******* ****** ************** **** ** ********* Fabric, ****** *******, ****, ******** ***** *** *** *** ********* factors **** ***** **** ******* ****** *** ************ *** ******* flows ***. ****** *** ****** ******* ******** ******** ********* **** as **** *******, **** ******* *** ***. ******, ** **** units **** ** ** * ***** ***********, *** ************* ***** will ** *********, ***'* *** * ******* ******* **** *** in * *** ** **** ********* ***** **** *** **** will ***** ** ********** *** ****, ** **********.

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

*** *******, ************ ******* **** ******* **** ***'* ***** "****" technical *******.

**** ******** *** **** "***********" **** ** **** ******, ******* everyone ******* *********** *******, ** **** ******* ******** ***** ** survival ****.

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

** ***** *******, **** **** ********* *** ******* $$$ ** clean ** *** ******* ************.

"************ ******* **** ******* **** ***'* ***** "****" ********* *******."

***** ********* ***, ** **** ****, ***** *** *** **** more ***** ******* ***** / ******* ******** ****** **** ******* ones? *** ****** ******* *****?

** ******** ****** ** **** *** ******* ****** ****** ********** gear **** *** ***'* ***** **** *****. **** *********** ******** has ***** ***** ******* ********, *** ******** ***** *** ** camera ******** **** **** **** ** '*******' ****.

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

*) **** ***'* **** ***** ********* ***** ****** *** ** IP *******

*) **** ***'* **** ** **** **** **** ******* ***** from ****** ******* **** *** *** **** ********, ** ******** twiddling * ***** ** ******** *** ******* ********, ******** *********, etc.

***'* *************** **** **** *****, *** ***** $* ****'* **** on ******* * ******* ****** ***** **** $** ** **** support.

******. * ***** ******* ** *** *** ******** **** ******** of *** *********** "***** ****". **** ******* *** ******* *** "plug-n-play" ******* **** *** **** ** *** ***. **** ****'* doing ******* ************. **** ** **** ********* * ******* ****** or ******, **** ***** **** **** ** ** ******* *********** it ******. ****, ***** ** **** **** ****** *** ******* password ** *** *******. ** ****** ***** **** *** ******** countless ********* ** ******** ***************. ***** *** **** ***** ******* to ** ****.

****,

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

"** * ************ * ***** *** *** *****'* ***** ***** support ***** ** **** **** **** ***** ********* ** **** the ************ *** *******."

*** ***.... :)

****

* **** ** **** *** * ***** *** *******, *** I ***** ****** ******* **** *** ************ *** ******* ****. Every **** * *********** *** **** *******, ** ***** **** ever **** **** ***** ** *** **** *** ********** ** by ***** ** *** **** ****** ** *** **. *** every **** *** ********* ** ** **********.

*** ******* ** *** * ***********, **** ***** **** **** a ****** **** ** * ***** *** ******* ******, **** up ***** ************* ********* ** * ***** ********. ** *** the ************ ****, **'* **** ********* ** ***** ** **** time *** ********* ********.

"***** **** * *********** *** **** *******, ** ***** **** ever **** **** ***** ** *** **** *** ********** ** by ***** ** *** **** ****** ** *** **."

*, ****** *** *** ********. **** *** *** *********** ** to ******** *** **** ****** ** *** **?

** ****** ** ******** *** ***********. ** **** ***** ** was ******* **** ******** ******** *** *** ******* **** **** after **** ****'* *** * ******* ***** ****** ***** ********. Randomly ********** *** ************ ****** ***** ****** ****** ** ** installed **** *** ***** ***** ** ****** ******* ************. ***** made ** *** **** ** ****. **** *** **** ** things **** **** ** **** ********** *** ******** ******* ******, and **** *** **** ** ** **** ******* ***** ******** for ***** *****. ** ** **** ** ***** **** ********* and ********* * ***** * **** ***** **** ******* ** the ***** *****. **'* *** **** ***** ***** **** ************ stupid, ******** *** ******** ***** *** *** ******* ** **** speaks ** * ******** *****, **'* **** * ********* ***** a ****** *** ** ********* *** ** *********.

***** *** *** ************ ****** **** *** ***** **** *** time **** **** ** ** ******* ***** ********** **** *** upgrade ** ******** *** * ********* ***. *** ***** **** that ** *** **** *** ******* **** *** ****.

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

****** ********* **** ******* *********** ******* ** *** ***** *******(***********/********) them *** ******* *** ***** *****'* **** **** ****** ****'** eaten ** *** *******...

* ***** * ********** ***** ********** *** **** ** *** business ***** ****** *** ******* ** ******, ******* ** ****'* profitable *** ****...**** **'* *** ********** *** **** ****** **** can ****** *** **** ******** *****'* ****** ** ********** *** to ****** *** *** "***********" *** **** ***** *** *** incursions **** ***** **** ** ******, ***..

"********** **** ***** **** ** ******, ***.."

******** ** ** ******, ** *** ***** * **** ******, why *** **** ** ** ******? ***** ** ** **** trouble *** *** ******* *** ****** **** ********** * ********* system **** * **** ******.

*'** *** *** **** ************ ***** ***** ** ******* ******** as ***** ****** **** *** ***** **** ** **** ** have, ******** **** ***, ********* **** **** ** ** **** in **** ************* ********.

  1. *** - ******** **** ******** ** ******* ********* *******.
  2. **** ******** - *** *********.

*** ***** * ********* **** ***** **** ******** ******, ** their ********! **** *************** * *******; *** **** ***** **** it *** * ********** ************, ** *** ** *** **** in * ***** *** *** *** ** ******, ****** ***** is ** ****** ** *** ****** ** *****. ****** *** managed ****** **** *** **** *** **** **** ** *** into ** ***** **** **'* *** ***** **** ***** ***.

****** *** *** *********** ******* ******** *** "*********** *** ***** commercial" ***, ***** **** *** **** ****** ****** **** *****, because ** *** ********** ** ******** *********?

** *** ***** **** ***** ********** ***** *** ***** '********** upsold' **** *********** ** *** * ******* ******?

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

** *** ***** * ******* ****** ** ********* *** ** 8 ****** ******?

**'* *** ********* *** *** ***** **********. ***** ** *********** no **** *** ***, *****, ********* ******* ** **** ****** in ** * ****** ******.

*** ******* ****** ** ************ *** ***** *** ***** ***** in ** * ****** ****** **** *** **** ** ** any ******* ** ***************.

**'* **** ** **** *********. ** *** *** *** ** and ***** **** *** **, **** *** ***** **** **** better *** ******* ***. *** ** *** *** ** **** once ** *** ** ****-********* ** ***** ** ***** ******* or ********** ** ********** ***** ********* ***.

*** ** ***. ** ****, *** ******* * **** ** managed ******* ******* (*****) ************ ******** ****** *********** *** ***** commercial ************. ******* ** ******** ****** *** **********, ***** ** a ***** ** ******** ***** ****. **'* ****** *********** **** they ****** ** *** **** **** ** **** * ******** distributor.

* ***** **** *** **** ** ****** *** ***** **** to *** *** ********** ****** ************ **** ** ****** *** **** ******* ******** ***** ** more ******* **** ****'** *****.

** * ***, **** ******* ** **** ** * ****; if ***'** ********** ****** ** ******* **, ***'** ********** ****** that ** *********** **** ******.

**** ***** *** *** ***** ***** ******* ******* *** ********* switches ***** ** ***** ***********...

**** **-**** ****** ** ********** * ***** *****, * ***** I ***** ****** ****** * ****** **** *** **** **** a **** ******. ****** *** ******* **!

** ** ********* ******, *** ********** ****** ** **** **** the ** ***** ****** ** *** ** ******* ($**) ******* of *** ******* ($**). **'* **** **** *** ** ** GigE, **** *** ***** ******, *** **** ***** ***** ******** without ******* ***********, *** **** ****** ** ******.

** *** *** *-**** ** *-**** ***, **** ** ********** a **** *** *** ***** ******, *** *** ***** *** power ****** ** *** **** *** *** **** ********...

** *** **** ** **** **** *** *** **** *** pay ***. ***** **-**** *** * ***** ***** ***** (*** products **** ****'* ******** ** **** ********), **** ****'* ********** in ***** *********. **** *** ****** ******** *** **** ******** security *************** (* ******* ***** **** ********** **** *** ******* firmware ******* **** ************). **** *** **** ********** ** **** installs ***** *** ******* ** *******-***** *** ******* ** *** same ******* ****** ** **** ***** ******* ****** ** *** space. (*********, **** ***************, ***.)

*** *** ***** *** ***** ****** ** *** **** *** for **** ********...

* *** **** ***. *** ***** ** ** ******** ** cameras **** ***** ** ****, ** *** **** * ***** ***** ***** *** ****** of ********.

* *****, **'* ****** ** ** **** ** ****** *** power *** ***** ** **** ***** ** ********, ****** ***** are **** *****-******** *** ***** **** *** ******** **** ** you ***'* **** **** ***** ** ***** *** ****, *** will ****** **.

****'* ** ********* ***** ** ***, ** **** **** ** you ******** *** ***** ** *** ******** ** *** *** ubiquitous ***** ***'* ****** **** *** ***** ** **?

***** ** ****?

**’* **** ** ********* ** ********* **** *** **** ****** that *** ** ********* ******* **** ** *********** ********.

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

******** ** ***** *******, **** *** ******* ******* ** "**** outside *** ***" *** *** ** *** *** **** ********* low *******.

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

**** ******* ** ** ******** ****** **** ** ** ********* hiring ** ** *******. **** ***** **** *** **** * lot *** ** **** ****, **** ** **. ***** *** get ***** *** ***** * **** ******.

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

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

** *** *****, ****** **** ** *** ******* ******* ****** for ************* *** ****** ************ ***** ***** ** ****** * recommendation ** **** ********.

********: * ***** *** ***** ****** ** ****, **'* * high ***** ********* ****, *** **** ***, *** **** * look.

ADI **********: Uh, oh. That's what I was afraid of... Managed Cable.

****: *** ******* **** ***** ****** **** ** ********** ******** **** **** *** ** *** ****. ****** **** *******!

**** ** ** ***** ******, *** * ********** ***** **** Brian's ******* ** ********. **** $** *** ****... * ***** that ******* *** **** ** ** *** **** ******** ** management *** ****** ****** ** *** ******* ** ** *** possible. **** ******** ******* ******** **** *** ***** **********. **** network ********** ***** *** ************* **** ***, *****, ***, ***... can ******* **** ********* **** **** ********** **** ****. ********* the ******* ***** *********. *******, *** **** ***** ******** **** (RSTP), ***.***/** *** *** ***/**** ****-*********** ** ** ******** *** easy ** ***, *** ******* ******** ** **** ******** *** good ****** ** **** *** *** ** *** *****. * always **** ****** **** ****, *** ** ** ****** ** ever ********** ********...

•***** *********** - **** ******** ***** **** ****** *** ********** ability *** ************ **** *** ****** **** **** ******* **** port ******* ** ***** ***** ***********. ***, **********, ***... **** goes * **** *** ****** ******* ******** *** ***** ************. 100Mbps ******** ** *** ******* ***** **** *******. **** **** need * ** *** * ***** ** ***** *** ****** test **** ***. **** **** *** * ***** *** ********* can/will ***** ******* ** *** ****** ********.

•**** ********* ******* ***** ** ******** ** * ***** ***********. Since **** ******* *** ***** ******, ***** ** ** *** to ******** *** **** ** *** *** ***** ** ******* GigE ** * ***** ***********. *** ***** **** ** ****** the *********, *** ** * ****/*****/***** ******* ***** ***** ****** several ******* ** ****** **** *** *** ********* *** *** you **** ** * ******* ****** *** *** ***, *** port *** ** ** *********, **** *** ****** ****** **** it ** ********** *** *****.

•** ******* *** ******* *** ******* *** *** *******. ****** for **** ***** ******** ** ***** ***** *** ********* ******* attached *******, ********** **** *** ******* ***** ** ****. *******, Access ******, ******** ******* (*** ********** ****** *******), ***, ****, NAS *** *********.... **** ***** *** ********* ** ****.

** *** ****** *** ******* **** *** ****** ** ***** going ** **** ** **** ******** *** ***** * ******* installed *** *** *** **** ***** ** *** **** ****** then ****. ** * **** **** ************ * ***** ******* switch ***** ** ****, *** *** **** **** *******, *** for * ********/******** ************, *** *** ******* **** *** **** is **** *****. ***** ***** *** ******* **** *** ******** currently ***** ** $** *** ****. **** $**... **** ** less **** *** ***** *** ** **** ******... ***, ** generally ****** **** **** ***** *** ******* *** ******* ************* methods. (**** ** ** ***** ***** ***..) ***, ** ****** understand ****** ********* *** *** ***** ******** ** ****** **, NVR ******* ********** *** **************, ****** *** **** *** ******, Lux ****** *** ***** ********** *******, **** ******* *** ********, focus *** ***** ** *** **** ** ***** * ****** about. (* ***** ***** ****** ***** ****** *** **** ***** years ** ********...) *******, ******* *** **** ********* ** ** least ***** ** **** **** ** **, * ****** ******* PoE **** ****** *** **** **** **** *******/******** **** ******* and **** *** ******* ** ******* **** ********* *** **** you *****. ****, **** * ***** **** *** **** ***** and ***** ** *** **, **** **** *** ** *** units, *** *********, *******, ***** *****, ***** **** *******, **** meters, ***... **** *** ******** *** ****, *** ***** ******* bandwidth ***** ** *** *** ***** ** ***** **** ** conserving **** ***. **-** ***** *** **** *** *** ****. Your **** ** ***** **** **** ** **** ** ********, your ******** *** **** *******/******. ** **** ***'* **** ********* to ***** ***** **% ** *** ****. (**** ***'* **** for ******** *********, ****** *********, ***...) * ** *** ****** to ***** ***** ** *********, **** ***** *** ****** ***** it ***** * **********.

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

***** *** *** ****** ** ***** **** ******* ***** ** least ** **... ***** **** ****/*********/***.. ***** *** *** **** a **** ********** ** *** ********. **** **** ** ***** them, **** **** ** ********** ***** *****, **** **** ******** the ***/***, **** **** ** **** ** ** ********** *** functional ******, ***... -***** **** **** ******- ******** ***** ** 5:30 **** * ****** **** ** ******** ***. ** ** your ********, ** *** ******** *** ***** **** ****** ** is ***** *****. *** **** ** ****, *** **** *** across **** *** *:** ******* ***** ** ** *-* ***** there *** **** ** *******. *** **** ****** **** *** switch, *** *** **** **** **** ***** ******** **** *** not * *** ** ** *** ****** **** ** ********. So **** *** *** *** ***** ****. *** ****** ***** test **** *** **** ** ******* **** *** ****** ** the ****** ** *** ** **** ***** ***** **** ********* last ****... *** ***** **** ** **** ****** *** **** back ** *** ****** ***** **** *** *** ******* ** all *** ***. ***** *** ****** ******* ** ***** ****** without ****** *** ***** ******** ***. ******** ** *****, *** are *****... ***** ********* :-) (***** *** *** **********) *** around.. *** ** **** *** **** **** **** **** ****, hug **** ******, **** * **** **** ******* ** ** something **** ******* *** ****'* ***** ***** *** $** *** had **** *****. **** ********...

****, **** *** *** ****, *** *** **** *** **** the **** ******* ****** *** ********** ****** ********?

***********

** ** *** **** ******* ********?

....**** *** *** ****, *** *** **** *** **** *** GigE ******* ****** *** ********** ****** ********

*** *** **** *** **? :)

****,

********-* ** ******* ********. ** ** **** ********* *** *** longer ** ***** *** **** ***.* ********* ** *** *** layer * *** * *** ******* ********. * *** ** too ***** ** ***** *** *** ****** ** **** ** shorter...

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

**** ** ********* * ******** ************ **** ******* *** * Gigabit ******** ******* ********** (** ******) *** ** **** *** transmitting **** ****** ******** *** ***** **** ***** ******* *** high ***** ******* **** ***** *** ** ********** *.***/*.*** ********.

* ** *** ***** ** *** **** ****** ******* ******** or ****** *** ******* ************** ********* ******** **** ** **** Vision ********. ****** **** **** ******* ***-******** **** **** ********* with ********** ********* *** **** ********** **** ********** ******* ** data *** ** ********** ******** *** ** ***. ** ********* requires ********* ************ ***** *** ***** ** *****.

**** **** ******* ******?

*****, *****, **** ********* ***** **** *** **** ********* ******. I ****'* **** *** "****" **** ****** ** ** *** IT *****, ***. *'* ******** ****** *** ** **** ** separate, *** ****'* ** *** **********.

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