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Author Topic: Help Deciding on Modem  (Read 2644 times)

hacktrix2006

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Help Deciding on Modem
« on: November 23, 2020, 11:08:36 PM »

I currently have a Zyxtel 1312-B10A in bridge mode connected to a Linksys WRT32X (OpenWRT), now i normally have a modem/router for 2 years before i replace it.

I am currently looking for a new modem (VDSL2) but without the Router segment.

So far i am looking at:

Comtrend 3030/3031u
Zyxtel VMG-4005-B50B
Vigor 165
Vigor 130

But are there any others i should also consider.

My current setup has a 40/10 connection syncing at 40/6 and i am connected to a Huawei Cabinet as well.

Now for Diagnostics reason i will be keeping my VMG-1312-B10A so i am not requiring a modem with SSH access or the such.

Moderators if this is the wrong place, please accept my advance apologies and move to the correct area.
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Weaver

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Re: Help Deciding on Modem
« Reply #1 on: November 23, 2020, 11:20:37 PM »

May I ask whatís wrong with the VMG 1312-B10A ? Will it not do VDSL2 (I donít know.)

One of the higher end ZyXel models will do a good job for you.

The Vigor 130 is a solid piece of kit. I prefer the VMG 1312-B10A.
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hacktrix2006

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Re: Help Deciding on Modem
« Reply #2 on: November 23, 2020, 11:23:54 PM »

There is nothing wrong with my VMG 1312-B10A, however i have always replaced my equipment after 2 years or sooner.

As i am looking to turn my VMG 1312-B10A (which has been rock solid i might add) into just a diagnostic router for when there is a line issue i am looking for something that will replace it.
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Weaver

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Re: Help Deciding on Modem
« Reply #3 on: November 23, 2020, 11:27:14 PM »

Sticking with ZyXEL is a good plan, although the models ending in -D do not have the good input filtering that the -A and -B models have, ask about this as I canít remember if thatís true without exception.
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hacktrix2006

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Re: Help Deciding on Modem
« Reply #4 on: November 23, 2020, 11:29:49 PM »

I was tossing between the comtrend and zyxtel with zyxtel being 1st however its how easy i can get a VMG4005-B50B being that is a CPE for ISP's and the only ones i can find right now are in the USA.

Also looking for one thats in the MCT as i am in the UK.
« Last Edit: November 23, 2020, 11:31:57 PM by hacktrix2006 »
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tubaman

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Re: Help Deciding on Modem
« Reply #5 on: November 24, 2020, 07:41:08 AM »

There is nothing wrong with my VMG 1312-B10A, however i have always replaced my equipment after 2 years or sooner.

As i am looking to turn my VMG 1312-B10A (which has been rock solid i might add) into just a diagnostic router for when there is a line issue i am looking for something that will replace it.

If it's working fine then why replace it?
It sounds like your connection is similar to mine, which runs at about 43/7 on a Huawei cabinet, and I think you'll struggle to find another modem that syncs as high and is a stable as the Zyxel.
I've tried a multitude of other modem/routers on my line and the only one I have ever found that's as good as a Zyxel VMGxxxx-B10A (for 'xxxx' substitute 1312/8324/8924) was a Netgear D6220, and that suffered a hardware failure after about 10 months of use.
 :)
« Last Edit: November 24, 2020, 07:50:11 AM by tubaman »
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BT FTTC 80/20 Huawei Cab - Zyxel VMG8924-B10A

Weaver

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Re: Help Deciding on Modem
« Reply #6 on: November 24, 2020, 09:26:05 AM »

What tubaman said. It was at one time possible to get new boxed VMG 1312-B10As on ebay even after ZyXel stopped supplying them. But in any event, as I said, I personally would go for one of the high end VMG 8xxx-B10A or 9xxx-B10A or -10B models. I canít remember the exact model numbers; Kitz herself uses one of these as a router. An advantage of all of these ZyXELs, apart from being a fine modem, is that it has PPP MTU = 1508 ie IP MTU = 1500 if you put our very own Johnsonís custom software into it and your router and wholesale service provider can support it.
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meritez

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Re: Help Deciding on Modem
« Reply #7 on: November 24, 2020, 10:17:31 AM »

The issue with comtrend is lack of publicly available firmware for the vr3030.
TTB tend to replace them instead of updating the firmware.

You can pick up Zyxels for pounds on ebay, my latest is a new in box VMG1312-B10D for £1 plus postage, but I also managed to grab a VMG3925-B10C postoffice branded for £7 plus postage.

The VMG8924 is worth looking out for
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Weaver

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Re: Help Deciding on Modem
« Reply #8 on: November 24, 2020, 11:21:16 AM »

The VMG 8924 is the model I was trying to remember.
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tubaman

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Re: Help Deciding on Modem
« Reply #9 on: November 24, 2020, 01:21:51 PM »

The issue with comtrend is lack of publicly available firmware for the vr3030.
TTB tend to replace them instead of updating the firmware.

You can pick up Zyxels for pounds on ebay, my latest is a new in box VMG1312-B10D for £1 plus postage, but I also managed to grab a VMG3925-B10C postoffice branded for £7 plus postage.

The VMG8924 is worth looking out for

Out of interest is your VMG3925 locked to Post Office firmware, as I have one that any attempts to update are met with a flat 'computer says no' because it has an ISP special version installed.
 :)
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meritez

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Re: Help Deciding on Modem
« Reply #10 on: November 24, 2020, 03:38:02 PM »

Out of interest is your VMG3925 locked to Post Office firmware, as I have one that any attempts to update are met with a flat 'computer says no' because it has an ISP special version installed.
 :)

Not turned it on yet, hoping to use the following to downgrade the firmware:

Code: [Select]
To downgrade first give these commands from telnet or ssh using the admin account:

zycli fwidcheck off
zycli modelcheck off
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hacktrix2006

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Re: Help Deciding on Modem
« Reply #11 on: November 24, 2020, 04:34:13 PM »

Thanks everyone for your replies, i am after just a bridge modem like the H612 where there is no Wifi etc. Will keep looking though and post what i find.
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tubaman

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Re: Help Deciding on Modem
« Reply #12 on: November 24, 2020, 05:40:31 PM »

Not turned it on yet, hoping to use the following to downgrade the firmware:

Code: [Select]
To downgrade first give these commands from telnet or ssh using the admin account:

zycli fwidcheck off
zycli modelcheck off

I've just tried this on mine and it has allowed me to install standard firmware. However, in the process it has locked me out of the device, which was on the default admin/1234 combination but clearly now isn't.
It's not the end of the world as I wasn't going to use it with the Post Office firmware anyway, but I suggest you proceed with caution.
Now, where's that large hammer....:comp:
« Last Edit: November 24, 2020, 05:43:02 PM by tubaman »
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BT FTTC 80/20 Huawei Cab - Zyxel VMG8924-B10A

skyeci

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Re: Help Deciding on Modem
« Reply #13 on: November 24, 2020, 06:01:39 PM »

Zyxel vmg3925-b10b are also well worth getting to use a bridge modem. Cheap to buy on ebay and easy to unlock for supervisor access if ex kcom for example.
Have found the speed to be very good too and with stability.
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Zen 80/20 - Zyxel VMG3925-b10b(bridge mode) + Opnsense(i5 Qotom) with IPV6 , AC-88U WAP- ECI cab,

click for ECI VDSL cab line stats by pi3


click for line stats by pi3/Huawei VDSL cab 

burakkucat

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Re: Help Deciding on Modem
« Reply #14 on: November 24, 2020, 07:39:47 PM »

Now, where's that large hammer....:comp:

Or connect to it via the serial console, interrupt the boot process and obtain the CFE> prompt, etc.  ;)
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