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Solved
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 I upgraded the FW to V1.6.04 (Bootloader remained the same) PoE passthru worked a treat.
In September 2019 PoE Passthru just stopped and at the time I had just purchased two additional GS105PE switches 7 & 8 which came with BL V1.6.0.1-VB and FW V1.6.0.3. PoE Passthru did not work.
I upgraded switches 7 & 8 to FW V1.6.0.4 (BL stayed the same) and PoE Passthru worked
I then looked to upgrade original switch 6 to the latest FW in the vain hope that it would pull in the latest Bootloader V1.6.0.1-VB but it didn't (PoE passthru worked until switch powered off and would not work when switch powered back on)
I downgraded the FW to 1.4.0.6 and then stepped through every iteration from FW1.4.0.6, 1.4.0.9, 1.5.0.4 (where BL version V1.4.0.5-VB made an appearance), FW 1.5.0.5, 1.6.0.3, 1.6.0.4, 1.6.0.6 as per switches 7&8. The bootloader on Switch 6 would not upgrade to V1.6.0.1-VB. How can I force it to do this. Any advice appreciated
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
9 Replies
Murrayfield wrote:I downgraded the FW to 1.4.0.6 and then stepped through every iteration from FW1.4.0.6, 1.4.0.9, 1.5.0.4 (where BL version V1.4.0.5-VB made an appearance), FW 1.5.0.5, 1.6.0.3, 1.6.0.4, 1.6.0.6 as per switches 7&8. The bootloader on Switch 6 would not upgrade to V1.6.0.1-VB. How can I force it to do this.
As you correctly mentioned, only 1.5.0.4 firmware came budled with the 1.4.0.5 bootloader versions for the two chipset/hardware versions. To my knowlege, no bootloader updates were made available after that (up and including 1.6.0.6 firmware).
No idea if the V1.6.0.1-VB is for yet nother new hardware variant (Model does also show GS105PE-100000S for the one which came wit a newer bootloader?) or if Netgear does not see any urgent reason to update the VB hardware version to the newer code. YeZ can you plese check this with the product manager or engineering?
Hi schumaku,
Many thanks for the response, would it be of any help for me to provide the serial numbers of each of the switches?
Again, based on the available GS105PE firmware kits: In absence of an included newer bootloader, there can't be an intention that the V1.6.0.1-VB bootloader should be installed as part of the update procedures for now. Back to the reported problem...
Murrayfield wrote:PoE passthru worked until switch powered off and would not work when switch powered back on
...these issues are commonly caused by non-sufficient power source resp. a to high load on the GS105PE. It appears sometimes that a soft reboot does "recover" and the GS105PE does start to supply power outside of the specs. Say you power the GS105PE from an 802.3af (plain PoE), and try to power a Cat0 or Cat3 802.3af device, this will not happen correctly. Reason is that the GS105PE does require power for it's internal switch circuits, and there is not enough power. Under some conditions a warm reset/reboot does falsely apply power to the PD. The point is that most vendors are lazy or try to stick on the safe side. Even if a 802.3af PoE device does pull less power than the class default, they request Class 0 or Class 3 - typically for operational safety and reliability. Please note that these two standards don't have a granular "dynamic" power request protocol of PoE++ 802.3bt - and the GS105PE has (again to my knowledge) no such capability, too.
What switch (or power injector) make/model/PoE specs are you using to power the GS105PE?What device(s) are do you try to power from the GS105PE?
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