Ethernet lights up like christmas tree everytime when plugged in?!

Ensefalon · Dec 18, 2017

Hey guys, I have a Netgear FS750T2 that seems to light up like a christmas tree everytime I plug it in, Must be that time of the year...Could someone assist me? I've never had this issue until now and I don't know what the switch is trying to tell me.... Could anyone help me out?

AsRock · Dec 18, 2017

Sounds normal, how ever some allow you to login and turn the leds off. Maybe check here https://www.netgear.com/support/product/FS750T2

Kursah · Dec 18, 2017

Do you have a network loop or is that happening when you connect one Ethernet cable to it? Make sure that you don't have both ends of an Ethernet cable going into the same switch, that will create a network loop and if you don't have STP enabled, it'll quickly cripple your network.

Looking here: https://www.netgear.com/business/products/switches/smart/FS750T2.aspx#tab-features

It appears your switch supports STP, so you might try to enable that as well, but removing the physical loop, if the issue, should ultimately be removed no matter what. STP is a compensation feature, your network can still be negatively affected by that.

You might also try upgrading the firmware on that unit, I've had some crap experiences with Netgear Smart switches with older firmware versions. https://www.netgear.com/support/product/FS750T2.aspx

Have you tried different ports to see if they all do the same thing?

Have you tried the physical reset procedure?

Lastly, is the switch actually functioning normally or not?

Ensefalon · Dec 18, 2017

Kursah said:
Do you have a network loop or is that happening when you connect one Ethernet cable to it? Make sure that you don't have both ends of an Ethernet cable going into the same switch, that will create a network loop and if you don't have STP enabled, it'll quickly cripple your network.

Looking here: https://www.netgear.com/business/products/switches/smart/FS750T2.aspx#tab-features

It appears your switch supports STP, so you might try to enable that as well, but removing the physical loop, if the issue, should ultimately be removed no matter what. STP is a compensation feature, your network can still be negatively affected by that.

You might also try upgrading the firmware on that unit, I've had some crap experiences with Netgear Smart switches with older firmware versions. https://www.netgear.com/support/product/FS750T2.aspx

Have you tried different ports to see if they all do the same thing?

Have you tried the physical reset procedure?

Lastly, is the switch actually functioning normally or not?

The switch functions now and then when I plug it in after its been unplugged for maybe weeks or months at a time.
I'd I have to see if I can access the switch through its web gui to see if I can access it...But for now it's looking kinda crap.
The switch doesn't have a single cable plugged into it, so I doubt loops if/or either.

Kursah · Dec 18, 2017

Ensefalon said:
The switch functions now and then when I plug it in after its been unplugged for maybe weeks or months at a time.

So it is and has been intermittent on functionality or use?

I'd I have to see if I can access the switch through its web gui to see if I can access it...But for now it's looking kinda crap.

Does it timeout when you try doing so now?

The switch doesn't have a single cable plugged into it, so I doubt loops if/or either.

To have a loop you need more than one connection to a switch. A quick and dirty network loop is 2 ends of an Ethernet cable plugged into two switch ports.

A common example is a VoIP phone with LAN passthrough, a user plugs in the network cable to give the phone power (if PoE) and network, and then the pass through that normally goes to a PC gets plugged into the switch. This creates a network loop.

https://en.wikipedia.org/wiki/Switching_loop

So what is plugged in now if you have more than a single Ethernet cable? Can you disconnect the other cables and connect directly to your laptop or PC and access its WebGUI? How about after a fresh reset?

Ensefalon · Dec 18, 2017

Kursah said:
So it is and has been intermittent on functionality or use?

Does it timeout when you try doing so now?

To have a loop you need more than one connection to a switch. A quick and dirty network loop is 2 ends of an Ethernet cable plugged into two switch ports.

A common example is a VoIP phone with LAN passthrough, a user plugs in the network cable to give the phone power (if PoE) and network, and then the pass through that normally goes to a PC gets plugged into the switch. This creates a network loop.

https://en.wikipedia.org/wiki/Switching_loop

So what is plugged in now if you have more than a single Ethernet cable? Can you disconnect the other cables and connect directly to your laptop or PC and access its WebGUI? How about after a fresh reset?

The reset buttons seem to have no effect in turning the router off, Nor do any of the ports communicate with my other switch when I bridge the connection between the two....

eidairaman1 · Dec 18, 2017

You have to read your manual on it, sometimes you have to hold the reset button down for so much timr.

If it boils down to it get another switch.

Ensefalon · Dec 18, 2017

eidairaman1 said:
You have to read your manual on it, sometimes you have to hold the reset button down for so much timr.

If it boils down to it get another switch.

Ensefalon said:
The reset buttons seem to have no effect in turning the router off, Nor do any of the ports communicate with my other switch when I bridge the connection between the two....

As I expected, The solders were shorted and killed one of the transistors in its power supply causing it to produce a very high pitch "rer"...rip...they should've built this thing with better ventilation or something

Solaris17 · Dec 18, 2017

This guy has nothing but his server specs for his system info; I like him!

If you are looking to replace the netgear because of damage the Nortel baystack 5510-48T or the 5520-PWR are nice gig switches.

If your looking fomr something a bit more quiet the Ubiquiti switches are also quite nice.

Though the Nortels are dangerously cheap on ebay.

Ensefalon · Dec 18, 2017

Solaris17 said:
This guy has nothing but his server specs for his system info; I like him!

If you are looking to replace the netgear because of damage the Nortel baystack 5510-48T or the 5520-PWR are nice gig switches.

If your looking fomr something a bit more quiet the Ubiquiti switches are also quite nice.

Though the Nortels are dangerously cheap on ebay.

I'll take your recommendations into consideration.

That's my workstation PC, I use a HP DL380 G7 rigged with a GPU to game and whatnot lol

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Mouse	A cheap logitech wireless mouse
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Mouse	Logitech G502 \| Logitech M330
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Software	Windows 11 Pro x64 \| Windows 11 Home x64

System Name	HP DL380 G5
Processor	2x Intel Xeon X5460 @3.16 Ghz
Motherboard	HP DL 380
Cooling	6 60mm intake fans rated for 14k RPM max load
Memory	16GB of DDR2 667Mhz
Video Card(s)	AMD XFX R7 360
Storage	3x 140GB 10K SAS JBOD
Display(s)	1x Hisense 42" TV
Case	DL 380 G5
Audio Device(s)	HDMI Out
Power Supply	2x 800w Proprietary PSUs
Mouse	A cheap logitech wireless mouse
Keyboard	Acer KU-0355
Software	Windows 10!
Benchmark Scores	Ill get around to em soon

System Name	Kursah's Gaming Rig 2018 (2022 Upgrade) - Ryzen+ Edition \| Gaming Laptop (Lenovo Legion 5i Pro 2022)
Processor	R7 5800X @ Stock \| i7 12700H @ Stock
Motherboard	Asus ROG Strix X370-F Gaming BIOS 6203\| Legion 5i Pro NM-E231
Cooling	Noctua NH-U14S Push-Pull + NT-H1 \| Stock Cooling
Memory	TEAMGROUP T-Force Vulcan Z 32GB (2x16) DDR4 4000 @ 3600 18-20-20-42 1.35v \| 32GB DDR5 4800 (2x16)
Video Card(s)	Palit GeForce RTX 4070 JetStream 12GB \| CPU-based Intel Iris XE + RTX 3070 8GB 150W
Storage	4TB SP UD90 NVME, 960GB SATA SSD, 2TB HDD \| 1TB Samsung OEM NVME SSD + 4TB Crucial P3 Plus NVME SSD
Display(s)	Acer 28" 4K VG280K x2 \| 16" 2560x1600 built-in
Case	Corsair 600C - Stock Fans on Low \| Stock Metal/Plastic
Audio Device(s)	Aune T1 mk1 > AKG K553 Pro + JVC HA-RX 700 (Equalizer APO + PeaceUI) \| Bluetooth Earbuds (BX29)
Power Supply	EVGA 750G2 Modular + APC Back-UPS Pro 1500 \| 300W OEM (heavy use) or Lenovo Legion C135W GAN (light)
Mouse	Logitech G502 \| Logitech M330
Keyboard	HyperX Alloy Core RGB \| Built in Keyboard (Lenovo laptop KB FTW)
Software	Windows 11 Pro x64 \| Windows 11 Home x64

Ethernet lights up like christmas tree everytime when plugged in?!

Ensefalon

AsRock

TPU addict

Kursah

Super Moderator

Ensefalon

Kursah

Super Moderator

Ensefalon

eidairaman1

The Exiled Airman

Ensefalon

Solaris17

Super Dainty Moderator

Ensefalon

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