Superhub Ethernet ports don't auto negotiate to 1Gbit correctly - Page 5

ferretuk · 31-01-2012, 07:42

Quote:

Originally Posted by dbateman2k5

It was a standard Cat5e straight cable I used.

Didn't use a switch either (don't have one).

Setup for testing was: Desktop PC - Cat5e Cable - Laptop PC

Perhaps we're starting to get to the bottom of the problem then.

A crossover is needed somewhere to get a Desktop <> Laptop connection to work. As you're testing used a straight cable one of the PCs must have the ability to determine if a swap is required and then switch. From what you've said (recently!) your laptop also has a gigabit port so:

Tests:

1. Plug the laptop into the SH - Confirm correct operation a 1Gbit. I haven't completely re-read the the thread but I'm not sure you've done this so far? My suspicion is that it will work...

2. Look at the PC NIC setting and try and find a setting to turn off auto crossover (may be call Auto MDIX). Once turned off, try the PC plugged directly into the laptop and confirm that you don't get a working connection.

3. Then try the PC in the SH again.

Remember that you have eliminated the cable (by using it between the PC and the laptop) so you can put any Cat5/5e/6 thoughts to bed!

It sounds to me that the SH port and the NIC are not correctly determining which end needs to switch...

dbateman2k5 · 31-01-2012, 12:34

Quote:

Originally Posted by ferretuk

It sounds to me that the SH port and the NIC are not correctly determining which end needs to switch...

I've never used a cross-over cable tho. All my cables are the standard straight cables.

I'm starting to think that the Auto MDIX setting may be what's be causing the fault. Is there a way to turn this off on the SuperHub side as well or is it only required on one end of the connection ?

Quote:

Originally Posted by ferretuk

1. Plug the laptop into the SH - Confirm correct operation a 1Gbit. I haven't completely re-read the the thread but I'm not sure you've done this so far? My suspicion is that it will work...

Will need to double check this, as I can't recall whether it did or not.

sniper007 · 31-01-2012, 13:18

I can't believe you are having such trouble with this still. I think I am right in saying (please correct me if wrong someone) that the ports on the superhub should go orange if at 100mbps, and green if at 1000mbps. Just thought I would mention that to aid testing as a quick visual check. Everything I have ever plugged into the superhub including a PS3, goes green and auto negotiates with no issues at gigabit speeds.

Daz555 · 01-02-2012, 14:19

Auto/auto failing to agree on the correct speed is far from uncommon. I have seen it hundreds of times in commercial environments - I remember for example there was a common problem between certain Intel NICs and a specific model of Cisco switch.

The solution is usually a simple matter of setting the port speed manually. Having said, does the superhub allow you to set each port speed and duplex manually?

General Maximus · 01-02-2012, 16:09

No

qasdfdsaq · 01-02-2012, 17:05

Superhub doesn't even allow you to set DNS manually.

General Maximus · 01-02-2012, 19:59

Quote:

Originally Posted by qasdfdsaq

Superhub doesn't even allow you to set DNS manually.

and things like that are the little things which we dont think of but make a huge difference. I gave up on Virgin DNS a couple of years ago and I don't know what I would do without google dns now. There have been several times where there has been a flurry of posts on the forum with users saying they cant get to a whole raft of sites because of problems with Virgin dns servers yet those of us using non-virgin dns have been absolutely fine.

I don't want to brag, I am only hoping to bring some sense and reason to those who are reading this thread and show that once again, the shub is not so super.

Yucataneer · 02-02-2012, 10:05

Quote:

Originally Posted by ferretuk

1. Plug the laptop into the SH - Confirm correct operation a 1Gbit.

Out of interest, what would be the best way of confirming correct operation at 1Gbit speed? I've noticed recently that the transfer speeds between my two machines both wired in to the superhub seem quite slow, like 3 - 4 MBps. I bought two Cat 6 cables thinking this might help but it hasn't. Am I right in thinking this is slow? I'm not an expert by any means!

qasdfdsaq · 02-02-2012, 11:41

Look at your connection status window. If it says 1Gbit it means it's connected at 1Gbit.

Yucataneer · 03-02-2012, 09:32

Quote:

Originally Posted by qasdfdsaq

Look at your connection status window. If it says 1Gbit it means it's connected at 1Gbit.

Thanks! For some reason I'd missed that and was expecting the answer to be something more elaborate. That's helped me identify that one of the cables was dodgy. I've swapped it for another one and bingo, super fast speeds. Cheers.

dbateman2k5 · 06-02-2012, 13:57

Seems I'm not the only one with the auto negotiate to 1Gbit issue with the SuperHub.

Someone replied to my post on the VM Support Forums, saying they had exactly the same issue and have emailed Netgear Support. Netgear told them it's be escalated to Level 2 Technical, for them to have a look at.

So it's definately looking to be a firmware and/or hardware fault with the SuperHub, that affects people with certain NICs and/or routers (depending on whether SuperHub is in modem mode or not).

I have also emailed Netgear, and am awaiting their reply.

xello · 21-02-2012, 17:04

Hi guys.

Any more info on this? I have the same issue, and it is causing very low LAN traffic going from my main to seondary PC.

Here is my thread on VM forum:

http://community.virginmedia.com/t5/...t/td-p/1043961