SuperHub 3 Modem Mode port 1 stuck at 100meg

[Zoltron]

Recently took out Virgin Media since moving from BT, beginning to wonder if I’ve made a big mistake.

I have my SuperHub currently set in Modem mode as I have a far superior ASUS router.

My problem is the SuperHub in Modem Mode keeps switching port 1 to 100meg, which gives around 82meg download.

If I restart the SuperHub 3 then it does revert to 1Gbps, for a short amount of time before returning to 100meg. I’m paying for well above 100meg.

I’ve read posts on here that overheating is often the cause, however the modem is in clear air and there is nothing further I can do to cool the SuperHub 3.

Realistically what are my options, my belief is this is Virgin’s problem to fix.

While it will be clear for anybody to see the problem when they arrive that the modem is stuck on 100meg, and that the issue will resolve upon reset, but I can’t see any potential engineer waiting around for a couple of hours for it to revert back to 100Meg.

[Adduxi]

Buy a good quality Cat 6 patch lead, as short as you can go.  Replace the existing cable between the Hub and the Router. Also try the other ports, I have historically always used the port closest to the co-ax cable, but that's just me!

You can also try a 60 second factory pinhole reset as below;
Remove any ethernet cables from the Hub and hold the pinhole reset switch for 60 seconds. Do NOT reboot the Hub, just let it do it's thing. Note you will need the passwords from the bottom of the Hub afterwards, so make sure they are legible. NOTE this will remove any custom settings you may have set in the Hub, and they will all have to be setup again.  Set the Hub back into Modem mode once completed.

[Zoltron]

I’ve done what you said, factory reset using the pinhole, put the SH3 back into modem mode and are using a shielded 0.5m cat6 patch lead which I know works are I took it from my patch panel which was showing a 1000meg connection on the switch it was connected to.

SH3 still jumps back to 100meg after anywhere between 20 minutes to 2 hours.

Beginning to wonder if the SH3 was is at fault, wondering if I should call up and barter for a SH5.

[legacy1]

what about in modem mode to your PC without a router?

[Omadawn]

Have you tried using a different port on the hub? Contrary to popular belief, in modem mode it doesn’t have to be port 1.

[muffintastic]

Yeah.. I get this on my Hub 3. Either a firmware issue or hardware problem. Usually fetching the ethernet cable out for 10 seconds then plugging it back resolves this.

[Client62]

It is important to grasp that both the Hub 3 and the ASUS Router will be facing the same connection issues and both are capable of de-rating from 1000 to 100.

Hub 3 does not have metal network sockets, so at the Hub end an SFTP network cable will not ground the shield. Is it grounded at the ASUS Router end ? If not, a shielded cable may not be an ideal choice.

[legacy1]

Likely a hardware fault have a old Cisco switch with one port that will not lock a 1Gb but works fine at 100Mb

[Zoltron]

It appears the SH3 was faulty as called 150 and they ordered me a SH5 which arrived today (Friday)

All working perfectly now, no dropping to 100meg every few hours.

The representative thinks I ended up with a broken SH3 which had been refurbished but had slipped through the net as faulty.

Don’t know why VM ain’t issuing SH5 modems as standard?

[muffintastic]

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@Zoltron wrote:

It appears the SH3 was faulty as called 150 and they ordered me a SH5 which arrived today (Friday)

All working perfectly now, no dropping to 100meg every few hours.

The representative thinks I ended up with a broken SH3 which had been refurbished but had slipped through the net as faulty.

Don’t know why VM ain’t issuing SH5 modems as standard?

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I don't know why VM are still issuing Hub 3's on new / existing installations they're legacy hardware. I've spoken to many technicians and they all agree the Hub 3 is terrible. Hub 4 should be at least the standard for new installs.