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Forum Discussion
Murrayfield
Oct 18, 2019Tutor
Netgear GS105PE will not load new bootloader
I bought three GS105PE switches, let me call them switches 6,7 & 8 I purchased Switch 6 in May 2019 and it came with Bootloader V1.4.0.5-VB, firmware V1.5.0.5. PoE Passthru worked a treat. In June...
- Oct 21, 2019
Hi Schmaku
No rant intended, just frustration I guess. Thanks to all the information you have provided me I am now more equipped to make a quantifiable research into devices that I intend to use. I certainly know a great deal more now about PoE and can make more informed decisions, bring out the extension power lead and PoE injectors I guess lol.
Many thanks
Ian
schumaku
Oct 21, 2019Guru - Experienced User
Ian,
The GS105PE operate as designed and described when powered from 802.3at PoE+ (or newer, more powerful IEEE PoE++ 802.3bt standards) in my opinion. This is however difficult to understand in the bigger context.
Murrayfield wrote:...however this implies that Netgear are supplying a product that cannot perform in concert with other devices in the same product family, (after all I am only providing one WN370 from the switch) whilst actively advertising them as fit for purpose..
I'm sorry that the PoE thing is complex and not very transparent - even experienced networking engineers are not aware of these issues.
Now every network builder might understand that for example a GbE uplink port can't run on Gbit if it's connected to a Fast Ethernet only. The situation here is similar - but comes with a much higher complexity level.
Murrayfield wrote:Why provide the GS105PE without external power capability if they know that it cannot provide the oomph to do the job? This means then, for me, that the GS105PE's that I have purchased are rather expensive doorstops and nothing better.
A little bit of rant is allowed: Netgear should have enhanced the GS105PE data sheet, the Quick Installation Guide, and the User Manual with some more consumer understandable on the capabilities vs. the requirements. Just the KB article is in my opinion not sufficient, in fact as you see from the lack explanation of the PoE classes for example. And then the PD devices must be much better specified - this does not apply only to Netgear, but much more to almost every PoE powerable device I had in my hands over the last years from major and niche vendors!
For example just stating a device requires 802.3af (but also 802.3at Type 1) "PoE" and does take say typically 5.8 W is not sufficient when it comes to sharing the available power from a single PoE source. The should add the required to add the PoE class required [and requested] (like Class 0 default "Classification unimplemented", Class 1 optional "Very low power", Class 2 optional "Low power", Class 3 optional "Mid power", ...).
In the industry and typical installations, there is always a PoE 802.3af or 802.3at Type 1, a 802.3at Type 2 PoE+, a 802.3bt Type 3 PoE++, a 802.3bt Type 4 4PPoE power source (typically on a switch), and a similar minimum requirement for the PD (powered device). PoE sources are rarely shared, except for very special deployments like (an example where we deployed many GS105PE) retail cashier desks with the inventory and bookkeeping access, the bar code / QR code scanner, the payment terminal (dedicated VLAN), ...
Unfortunately, Netgear does not pick-up valuable (?) information from experienced IT infrastructure people here in the community.
Murrayfield
Oct 21, 2019Tutor
Hi Schmaku
No rant intended, just frustration I guess. Thanks to all the information you have provided me I am now more equipped to make a quantifiable research into devices that I intend to use. I certainly know a great deal more now about PoE and can make more informed decisions, bring out the extension power lead and PoE injectors I guess lol.
Many thanks
Ian
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