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Old January 21st, 2009, 01:26 AM
counterpoint counterpoint is offline
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Default GS608 LED color indications

Does anyone know (it seems nowhere to be found) exactly what the port LEDs signify on a GS608?

My unit shows some ports green and some amber. What is the meaning of the different colors? What other colors are possible? What do they mean?

The installation guide states that not lit or always lit indicates a problem. What is the difference between these two cases?

Can always lit simply mean that there is no traffic on a port?
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Old January 21st, 2009, 05:45 AM
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Default Re: GS608 LED color indications

green is 10/100
amber is 1GB
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Old January 21st, 2009, 08:05 AM
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Default Re: GS608 LED color indications

Could that be the other way round?

The one port that is showing green is connected to a Netgear ReadyNAS NV+ which should be a gigabit interface.

Two ports showing amber are connected to devices that do not support gigabit.

The one that is puzzling me (on the assumption that the colors might be to do with speed) is connected to a gigabit onboard ethernet port in a PC running Ubuntu Linux, and that one is also showing amber.
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Old January 21st, 2009, 08:51 AM
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Default Re: GS608 LED color indications

either way.. I think that is the indication. I don't remember correctly but anyway. two led indicates the difference in speed
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Old January 23rd, 2009, 01:01 AM
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Default Re: GS608 LED color indications

Thanks, but your statement conflicts with the statement given to a technical support query. The response to the support query was itself ambiguous as well as contradicting the statement above.

Is there some way to find out the actual characteristics of this device? Why is it so difficult?
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Old January 23rd, 2009, 04:29 AM
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Default Re: GS608 LED color indications

it not that difficult

take 10/100 card
take 1GB card

plug those in ports... color will indicated different .. that is the answer..

there is only two color of indication of speed
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Old January 23rd, 2009, 06:26 AM
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Default Re: GS608 LED color indications

It isn't that simple. The PCs connected to the switch have gigabit LAN on the motherboard. But they show the same color as 10/100 devices.

Without knowing whether the LED color is related entirely to speed or also related to full/half duplex, I have no way to know whether the motherboard LAN port is actually running at gigabit speed. The mere fact that the specification for the motherboard says it is gigabit doesn't seem to resolve the issue.

The answer from Netgear support was "ports lights would be green if lan card speed is 100/1000mbps full duplex and amber if 10mbps half duplex". That doesn't say what the color would be for 100/1000 half duplex, or 10 full duplex. It also states that the distinction is between 10 versus higher, whereas you say it is between 10/100 versus higher.

At first sight, since the motherboard contains NVIDIA nForce 430 built-in Gigabit MAC with external Marvell PHY, one would be entitled to expect it to show green when connected to the switch, exactly as the Gigabit Netgear ReadyNAS does. Since it doesn't, I'm left not knowing what real life experiments actually mean.

Before chasing problems, I'd like to know EXACTLY what the LED colors indicate. Is it too much to ask of a vendor that they state PRECISELY what is the specification of the equipment you've bought from them?
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Old January 23rd, 2009, 06:32 AM
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Default Re: GS608 LED color indications

if 100/1000 is same color and you are only getting 100 then I would look driver updates on NIC card

some manufacture will have advertised spec of 10./100./1000 but in actual usage you may find it will not negotiate.

driver is one issue can resolve the issues. check that.

try forcing to 1000base-t and if that would get you full 1G connection.

ultimately, very possible of compatible issues. there is numerous report on 1GB card do not work on these models.. search it
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Old January 23rd, 2009, 06:41 AM
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Default Re: GS608 LED color indications

According to the latest from Netgear (it's hard work getting this seemingly simple information) the LEDs will show amber if the connection is half duplex, irrespective of speed.

It is important to know this, because if that information is correct, then the PC LAN port may be running at gigabit speed, but half duplex.

It is not a totally straightforward matter to track down Linux drivers. At present two different PCs are connected to the switch, with slightly different motherboards, both having gigabit LAN ports. One is running Ubuntu 8 and the other is running CentOS 5.2. Both are showing amber LEDs on the switch. Both are running the drivers shipped with the respective Linux distribution, and for maintenance reasons it is desirable to stick with those.

Other devices connected to the switch are 10/100 but there is no easy way to know whether they are running full or half duplex, since their specification does not say and it is not a configurable option.

Life does not seem to be so simple really.
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Old January 23rd, 2009, 10:02 AM
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Default Re: GS608 LED color indications

if it was that simply, life would would better..
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