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Author Topic: BCM63168 Modems that Support Baby Jumbo Frames (Bridge Mode)  (Read 15693 times)

johnson

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Re: BCM63168 Modems that Support Baby Jumbo Frames (Bridge Mode)
« Reply #210 on: June 30, 2018, 04:42:19 PM »

Firmwares for 8924/8324 based off the new AAKL.24:

https://www.dropbox.com/sh/4xfif7ssq8pdq6u/AAChWy_N8UIVmpqQizmI2CUra?dl=0

Again 2, one just jumbo patches and another for multiple telnet sessions.

Both tested to boot but not on a line.

I should add this to every post, but please flash at your own risk. Have seen from other posts that unlike the 1312 a serial console is essential to recover from a bad flash on the 8924/8324. If your device is mission critical and you have no spare modems, flash with extreme caution.

Have a nice sunny saturday!
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underzone

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Re: BCM63168 Modems that Support Baby Jumbo Frames (Bridge Mode)
« Reply #211 on: June 30, 2018, 08:36:33 PM »

Many thanks!  :)
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BT Infinity 2, Huawei 288, Zyxel VMG8924-B10A (bridge mode), pfSense

Dad-Of-5

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Re: BCM63168 Modems that Support Baby Jumbo Frames (Bridge Mode)
« Reply #212 on: August 07, 2018, 12:47:10 PM »

My DGA4132 is playing up. I find it a bit of a chore to administer, so was thinking of getting a VMG1312-B10A to run in bridging modem mode hopefully with MTU 1508.
I am on VDSL 450M from Huwaei cabinet my line is syncing at 67 DS and 8 US…..
Anyway after wading through this forum I am somewhat confused.

1. Is the Core VGM1312-B10A firmware for MTU1508 firmware: https://github.com/Olipro/VMG1312-B10A/releases and is this is based on the first ZyXel firmware 1 with the oldest Broadcom driver? Am I able to telnet it via Putty/WinSCP?

2. @Spring Where is the link to the V firmware that you speaks of and recommends please?? And which Broadcom driver is in this firmware in relation to the official Zyxel driver? 

@Johnson I recall you mentioned Zxyel firmware 7 having the highest sync rate, have you built a custom mashup of this firmware as yet form MTU1508? If so I wouldn’t mind giving it a try.

Again huge thanks to all of you who contribute to this forum (those who ask and those that answer) and to the wider Kitz community.
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johnson

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Re: BCM63168 Modems that Support Baby Jumbo Frames (Bridge Mode)
« Reply #213 on: August 07, 2018, 01:19:29 PM »

A VMG1312-B10A will probably serve you well, but I wouldn't expect any large increase in sync over the DGA4132.

1. The first firmware in the wild that supported 1508 MTU on the 1312 was from Olipro, he figured out the magic words that needed to be added to a Makefile and 1 other source file in the Zyxel supplied firmware build package. Would be really cool if he showed up here in fact, sure lots of people would have kind words. This version you linked is based on the last but one release of the stock firmware and it by all means perfectly suitable for flashing and use. All I have done is apply the same patches he has to newer versions of the firmware from Zyxel, some messing with binaries related to the dsl driver and changing the telnet version to allow multiple sessions. Olipros version has fully functional telnet and ssh, the changes I have made since are just to allow multiple concurrent telnet sessions.

2. The "V" version of the adsl_phy.bin has been the default in all builds of the 1312 (and 8324/8924) firmware for many release versions now, the latest versions I have posted and will link again here use it.

3. I did make a firmware with the "O" version of the adsl_phy.bin for someone to experiment with, but for them at least it offered no benefit, you are free to try it yourself and I will link it too.

My advice since people have tried the newer "X1" adsl_phy as well as the older "O" version is to stick to the normal "V" one that Zyxel ship with the firmware and is the only that I have used with the latest releases of the firmwares, unless you have a BDUK area connection with vectoring, then some improvement may be realised from the later adsl_phy.

So:

The latest 1312 images based on V16:
https://www.dropbox.com/sh/c5no9h8ckyp2i4i/AADwAR6oVbzwFjtE-bLdy81Za?dl=0

The weird older adsl_phy one if you wish to experiment:
https://www.dropbox.com/sh/lijl9krbghcpc2c/AAAlzU2b8mtbZ0k2shjVJpINa?dl=0

The later x1 adsl_phy - best used only if you have vectoring:
https://www.dropbox.com/s/84uvih8rex1wyed/1312-B10A-from-zyxel-jumboframes-3925adsl_phy.bin?dl=0

Hope this helps, please ask for clarification if I have been confusing.

Edit: typos
« Last Edit: August 07, 2018, 01:34:59 PM by johnson »
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Dad-Of-5

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Re: BCM63168 Modems that Support Baby Jumbo Frames (Bridge Mode)
« Reply #214 on: August 07, 2018, 02:54:16 PM »

A VMG1312-B10A will probably serve you well, but I wouldn't expect any large increase in sync over the DGA4132.

1. The first firmware in the wild that supported 1508 MTU on the 1312 was from Olipro, he figured out the magic words that needed to be added to a Makefile and 1 other source file in the Zyxel supplied firmware build package. Would be really cool if he showed up here in fact, sure lots of people would have kind words. This version you linked is based on the last but one release of the stock firmware and it by all means perfectly suitable for flashing and use. All I have done is apply the same patches he has to newer versions of the firmware from Zyxel, some messing with binaries related to the dsl driver and changing the telnet version to allow multiple sessions. Olipros version has fully functional telnet and ssh, the changes I have made since are just to allow multiple concurrent telnet sessions.

2. The "V" version of the adsl_phy.bin has been the default in all builds of the 1312 (and 8324/8924) firmware for many release versions now, the latest versions I have posted and will link again here use it.

3. I did make a firmware with the "O" version of the adsl_phy.bin for someone to experiment with, but for them at least it offered no benefit, you are free to try it yourself and I will link it too.

My advice since people have tried the newer "X1" adsl_phy as well as the older "O" version is to stick to the normal "V" one that Zyxel ship with the firmware and is the only that I have used with the latest releases of the firmwares, unless you have a BDUK area connection with vectoring, then some improvement may be realised from the later adsl_phy.

So:

The latest 1312 images based on V16:
https://www.dropbox.com/sh/c5no9h8ckyp2i4i/AADwAR6oVbzwFjtE-bLdy81Za?dl=0

The weird older adsl_phy one if you wish to experiment:
https://www.dropbox.com/sh/lijl9krbghcpc2c/AAAlzU2b8mtbZ0k2shjVJpINa?dl=0

The later x1 adsl_phy - best used only if you have vectoring:
https://www.dropbox.com/s/84uvih8rex1wyed/1312-B10A-from-zyxel-jumboframes-3925adsl_phy.bin?dl=0

Hope this helps, please ask for clarification if I have been confusing.

Edit: typos

Thanks Johnson!

First things first I cannot seem to be able to find G.INP value on my modem GUI stats page (in the DGA4312) however it does say PATH: Fast.... would this indicate G.INP is indeed enabled??
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johnson

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Re: BCM63168 Modems that Support Baby Jumbo Frames (Bridge Mode)
« Reply #215 on: August 07, 2018, 03:32:54 PM »

Given a Huawei cab and broadcom chipset with a sync that isn't maxing out the 80/20 cap its improbable that you don't have G.INP enabled.

Are you running the DGA4132 with the stock firmware? I admit my ignorance, but isnt the long thread about the DGA4130 in this section of forum home to a nice custom firmware that shows lots of stats? I havent been keeping up with it.

Can you not telnet or ssh into the router and issue commands like "xdslctl info --stats"?
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j0hn

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Re: BCM63168 Modems that Support Baby Jumbo Frames (Bridge Mode)
« Reply #216 on: August 07, 2018, 03:34:32 PM »

I had to telnet in to my DGA4130 to see full stats. I assume the 4132 will be similar.
Either that or setup DslStats (which automates the stats collecting for you).

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Zyxel VMG1312-B10A bridge mode with 1508 MTU + Asus RT-AC68U running Asuswrt-Merlin

Dad-Of-5

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Re: BCM63168 Modems that Support Baby Jumbo Frames (Bridge Mode)
« Reply #217 on: August 07, 2018, 08:51:23 PM »


Ok I got DslStats running and G.INP is enabled down stream...
How can I tell if I'm in a BDUK area? For ISP, I am with an ENTAnet through a reseller...
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johnson

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Re: BCM63168 Modems that Support Baby Jumbo Frames (Bridge Mode)
« Reply #218 on: August 07, 2018, 09:46:32 PM »

Theres a map if you scroll down a little here:
https://www.gov.uk/guidance/broadband-delivery-uk
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Hitman

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Re: BCM63168 Modems that Support Baby Jumbo Frames (Bridge Mode)
« Reply #219 on: August 09, 2018, 10:56:30 AM »

My DGA4132 is playing up. I find it a bit of a chore to administer, so was thinking of getting a VMG1312-B10A to run in bridging modem mode hopefully with MTU 1508.
I am on VDSL 450M from Huwaei cabinet my line is syncing at 67 DS and 8 US…..
Anyway after wading through this forum I am somewhat confused.

What issues are you having, mines been rock solid and I find it very easy to use the GUI, also supports 1508 frames?

I tried a Zyxel 1310-B10A, which syc'd at a slightly lower rate, the 4132 also gave me a few less errors and a higher 14.5 U/L Snr, rather than ~10 on the Zyxel.


Quote from: Dad-Of-5
First things first I cannot seem to be able to find G.INP value on my modem GUI stats page (in the DGA4312) however it does say PATH: Fast.... would this indicate G.INP is indeed enabled??

I'm running the latest Ansuel GUI 8.6.4 and G.INP info is under Diagnostics\xDSL but you have to click '+ show advanced' at the top right to see the extra stats info, then you can scroll further down to see those extra stats.

I'm also now running the latest 1.1.2.004 firmware with no issues.
« Last Edit: August 09, 2018, 10:58:32 AM by Hitman »
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jhm

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Re: BCM63168 Modems that Support Baby Jumbo Frames (Bridge Mode)
« Reply #220 on: September 08, 2018, 05:21:40 PM »

Thank you very much to everyone for the posts above which are really helpful and interesting.

I'm running on a FireBrick 2900 with two HG612 modems and bonded AAISP Soho::1 lines.  Baby jumbo frames.  Huawei FTTC cabinet.  Everything works fine. :)

However, I'd like to swap out the modems.  I understand the Broadcom BCM63138 chipset is best (being based on a much faster ARM core rather than MIPS) but the modems which I can see which use it (Netgear D7000, Technicolor DGA4130, Asus DSL-AC87VG, Billion 8900AX R2) don't seem to support bridge mode + baby jumbo.  So I should fall back on the BCM63168 (Zyxel 3925, 8324 and 8924) or the BCM63381 (which I understand is just the BCM63168 but without VoIP - Zyxel 1312-B10A).

The posts in this thread have talked about firmware for the 8324/8925 and the 1312-B10A.

I can obviously get one of those routers but I was just wondering whether there's any obvious reason why the Olipro baby jumbo patches wouldn't work for the 3925 or the 1312-B10D (being the two modems which are currently sold by AAISP) ?  I realise that I'd have to ask Zyxel for the source and then compile my own firmware using a toolchain etc setup in a VM.

(One final thing: the PPP bug in the 1312-B10A has been mentioned.  This is the one referred to here:

https://support.aa.net.uk/VMG1312-B10A:_Bugs
"VPNs may not reconnect if PPP drops - until you unplug and replug the LAN-side ethernet cable! We saw this same thing last year with Huawei HG612, which use the same chipset. (ZyXEL HQ are investigating having seen this demonstrated in our offices)"
"PPPoE Session-ID caching bug (In Bridge mode) [...]"

Just to add that unless I've misunderstood there's a FireBrick workaround for this:
https://www.revk.uk/2018/07/very-frustrating-modem-bug.html )
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burakkucat

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Re: BCM63168 Modems that Support Baby Jumbo Frames (Bridge Mode)
« Reply #221 on: September 08, 2018, 05:31:20 PM »

Welcome to the Kitz forum.  :)

Another happy A&A user, with the latest FB2900 FireBrick!

Quote
I can obviously get one of those routers but I was just wondering whether there's any obvious reason why the Olipro baby jumbo patches wouldn't work for the 3925 or the 1312-B10D (being the two modems which are currently sold by AAISP) ?

I can't think of any reason why you could not apply similar patches so, yes, go for it. And let us know how you get on.  ;)
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j0hn

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Re: BCM63168 Modems that Support Baby Jumbo Frames (Bridge Mode)
« Reply #222 on: September 08, 2018, 06:51:18 PM »

So I should fall back on the BCM63168 (Zyxel 3925, 8324 and 8924) or the BCM63381 (which I understand is just the BCM63168 but without VoIP - Zyxel 1312-B10A).

The BCM63381 is a budget chipset, which syncs quite a bit lower than the BCM63168 (on VDSL2 anyway).
I've owned a Technicolor DGA4130 with a BCM63138 chipset and it didn't perform as good as the BCM63168 in my Zyxel does.

The Zyxel VMG1312-B10A and VMG8x24-B10A both have additional noise filters that aren't found in other modems and this makes them the 2 favourite devices by many on these forums.

There's no reason why you couldn't use other Zyxel models with the Olipro github patch but I would avoid devices with the BCM63381.
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jhm

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Re: BCM63168 Modems that Support Baby Jumbo Frames (Bridge Mode)
« Reply #223 on: September 09, 2018, 02:53:25 AM »

Many thanks, burakkucat and j0hn for the replies.

I have a spare VMG3925-B10B lying around and have requested the firmware source from Zyxel.  I'll give it a go and will report back if I succeed!

Another happy A&A user, with the latest FB2900 FireBrick!

I've been a happy A&A user since December 2001 when I first took out ADSL from them ("Office 500" - 512kbps; 20:1 contention; £100+VAT per month!).

The Zyxel VMG1312-B10A and VMG8x24-B10A both have additional noise filters that aren't found in other modems and this makes them the 2 favourite devices by many on these forums.

There's no reason why you couldn't use other Zyxel models with the Olipro github patch but I would avoid devices with the BCM63381.

Thanks for the heads up!  I hadn't realised that the chipset in the VMG1312-B10A and the VMG1312-B10D are different.  As I understand it now:

BCM63168 + extra common mode noise filter:
      VMG1312-B10A
      VMG3925-B10B
      VMG8x24-B10A

BCM63381:
      VMG1312-B10D

Looking at:

https://www.zyxel.com/uk/en/products_services/service_provider-dsl_cpe.shtml

all of the above are described as a "VDSL modem/residential gateway" except the VMG8x24-B10A which is described as a "VDSL residential VoIP integrated access device".
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j0hn

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Re: BCM63168 Modems that Support Baby Jumbo Frames (Bridge Mode)
« Reply #224 on: September 09, 2018, 01:20:17 PM »

The VMG8x24-B10A (8324/8924) is only described differently because it has VOIP ports.
Ignoring that addition they are functionally the same devices as the others.

The VMG3925-B10B should be a good choice and previous threads show it performs as good as the 8x24's which were the favorite devices of many members of this forum for some time.

My preference of the VMG1312-B10A is mainly down to its design/shape. It has a very similar design as the OpenReach provided Huawei HG612 which wall mounts great next to the master socket.

The "PPPoE Session-ID caching bug (In Bridge mode)" mentioned on the AAISP pages for the 1312-B10A doesn't only affect that device, but affects many Broadcom devices with the same chipsets (and not just Zyxels).
It's not a bug I've ever come across myself.

Being a Firebrick user you won't have to worry about that anyway  :)
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