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Level 1: Cadet

DJA0230 Smart Modem Bridge Mode

I am looking to switch to Telstra for NBN with the DJA0230 Smart Modem. I am told by Telstra Chat Staff that you cannot use this as a bridge and there is no modem they offer that can.

 

Seems rather unlikely but i am not keen to give up my Netgear R8000 which is working just fine. So, just to double check, there there a (Telstra?) Tech who can give me a definitive answer please? Don't mind if I lose the 4G Backup function - although that would be VERY nice.

 

Thanks so much!!

 

 

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21 REPLIES 21
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Level 19: Deputy Director

Re: DJA0230 Smart Modem Bridge Mode

You can bridge this modem but if you do it cancels the 4G backup option.  Whether you can use it as a bridged modem I'm not sure about.  From memory I think someone on here said that you would also lose internet connection.  I am not in anyway a Telstra employee but I own one of these Telstra modems and the option is there in the router configuration.

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Level 23: Superhero
Level 23: Superhero

Re: DJA0230 Smart Modem Bridge Mode

The Telstra Smart Modem can be be put into bridge mode.
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Level 24: Supreme Being
Level 24: Supreme Being

Re: DJA0230 Smart Modem Bridge Mode

With Smart Modem in Bridge Mode you will also lose the Telephone service as well as the 4G backup.

What type of NBN service are you getting? If its not FTTN or FTTB you can connect your router directly to the NBN connection equipment and then connect Smart modems WAN port to one of the LAN ports on your router, If you do this you will still have a voice service.

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Level 19: Deputy Director

Re: DJA0230 Smart Modem Bridge Mode

Just to clarify Cf4, when you say the voice service or telephone service you are talking about VOIP not the landline?
I've configured my routers the other way round, that's all, but wary of bridging Smart Modem. My other router running dd-wrt does not even have a WPS option whereas Smart Modem has got this. I'm trying to close doors to hackers by making WPS very dysfunctional. Bridging Smart Modem makes it very dysfunctional. My previous T797G still had landline ok.
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Level 24: Supreme Being
Level 24: Supreme Being

Re: DJA0230 Smart Modem Bridge Mode

Yes I was referring to the VOIP function of the modem as the Telephone uses VOIP on all NBN services except for some that use Fixed radio NBN and Satelite NBN services.
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Level 21: Augmented

Re: DJA0230 Smart Modem Bridge Mode

@GPM_KP,
I am IT pro of something like 30+ years, but I struggle with understanding why some people do insist so heavily on using their (sometimes outdated) hardware... Can you enlighten me in what are the advantages of your R8000 as compared to DJA0230? And just to be clear, I would understand some of that in the enterprise environment, but home?
DISCLAIMER: I do not work for Telstra or any other ISP. I never did. I have wealth of practical knowledge in Computer Security and Forensic Computing. I have been in the field since 1985.

Likes (formerly Kudos) and solutions are appreciated!!!
The comments expressed by me reflect my user experience and personal opinion.
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Level 19: Deputy Director

Re: DJA0230 Smart Modem Bridge Mode

Interesting point ForensicsGuru. The R8000 is a fairly expensive router but is also flashable with dd-wrt. So I expect the security would have been reasonably good.

Unfortunately it is also one of the routers listed as vulnerable to linux VPNfilter
https://www.symantec.com/blogs/threat-intelligence/vpnfilter-iot-malware

So GPM-KP may want to have a think about using it for that reason alone. Whether flashing with dd-wrt would help or not I don't know.

I was using linux exclusively and though neither of my routers were listed as vulnerable I have very good reason to believe I was hacked as I could only connect to websites that were http:. and by disabling my VPN on port 443. This happened several times. Eventually running clean image backups and never using wifi I was able to get rid of it. Although the FBI's efforts probably also helped.
Being a responsible home user these days is a bit like tip toeing through a security minefield.




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Level 21: Augmented

Re: DJA0230 Smart Modem Bridge Mode

 

@mazinoz, I am aware of your obsession with VPN...

 

But, I can tell you, it is not the answer... People who do not do anything bad on the Internet, do not need it... Yes, of course, you will argue that there will be bad people hacking you (and your Bluetooth which seems to be your pet talk) and getting your private stuff... OK, you argue that VPN is the only way to go... Rubbish - I PERSONALY know people who know how to breach/hack onion routing... And personally, I do trust more Palo Alto, McAfee and other corporate VPN systems...

Unfortunately, I am also aware (and I have access to) of systems like SilentRunner and others that are well above your grade... If people like NSA and Australian government want access, they will get it no matter what you do... 

DISCLAIMER: I do not work for Telstra or any other ISP. I never did. I have wealth of practical knowledge in Computer Security and Forensic Computing. I have been in the field since 1985.

Likes (formerly Kudos) and solutions are appreciated!!!
The comments expressed by me reflect my user experience and personal opinion.
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Level 2: Rookie

Re: DJA0230 Smart Modem Bridge Mode

The reason Bridge mode is important it that it isolated the modem choice from your LAN. I do not want to reset my entire LAN setup each time I upgrade a modem. I have an Apple Base Station providing my WiFi and LAN Routing connecting to another Apple Base Station to extend range as well all my other Apple Laptops and Apple TVs. Doing it any other way is frankly a waste of effort. Service Providers should keep out of LANs and Home WiFi Networks and Content for that matter. Just a good VDSL2 or Gfast modem or Fibre NTU is all that’s needed from the SP - plus save a heap of money at the same time. Thankyou.
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Level 24: Supreme Being
Level 24: Supreme Being

Re: DJA0230 Smart Modem Bridge Mode

Most home Internet users are not Tech Savvy. They just want one device that allows them to connect there devices by wifi and LAN to the internet. They don't want to have the extra hassle expense and time installing there own local network equipment or paying some one to do it for them.

If Telstra and other ISPs were just to provide a modem with a single LAN port and no WiFi most off there customers will go to an ISP that provides modem router with extra LAN ports and WiFi.

The customers who want to set up there own network using there own equipment can always set up the ISPs modem in Bridge mode.
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Level 2: Rookie

Re: DJA0230 Smart Modem Bridge Mode

Sorry. I dont think it cant be placed in bridge node and still connect to the nbn
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Level 2: Rookie

Re: DJA0230 Smart Modem Bridge Mode

In bridge mode you also lose nbn connection... kinda defeats the purpose of a modem haha
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Level 2: Rookie

Re: DJA0230 Smart Modem Bridge Mode

Modems should be modems. By setting things to bridge mode you logically separate the modem function from your Wifi+LAN setup. When Gfast comes along no other change is necessary other than changing the modem. Why carriers insist on supplying Routers and WiFi with the Modem I have no idea. Maybe a mistaken belief that it helps lock-in the customer?? Bad practice.
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Level 2: Rookie

Re: DJA0230 Smart Modem Bridge Mode

Maybe for new customers 10 years ago but for existing customers (a majority btw) with their LAN and WiFi already setup - just dont want to go through all the hassle again. Its also terribly expensive and wasteful for the carrier in believing this. They really need to get out and talk to real customers. :-)
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Level 24: Supreme Being
Level 24: Supreme Being

Re: DJA0230 Smart Modem Bridge Mode

I always change LAN IP address, WiFi SSID and password when I get a new modem. That way everything automatically reconnects without having to configure individual devices.
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Level 2: Rookie

Re: DJA0230 Smart Modem Bridge Mode

Bridge mode can be selected to turn the Smart modem into a Smart-looking Brick! There is no Internet connection provided in this mode. A very bad bug which Telstra does not seem to know about.
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Level 2: Rookie

Re: DJA0230 Smart Modem Bridge Mode

But I thought the whole idea was for those that are not Tech-savvy??

Just a good reliable modem thankyou that works in Bridged mode :-)

Something Telstra's Smart Modem incredibly does not do.
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Level 24: Supreme Being
Level 24: Supreme Being

Re: DJA0230 Smart Modem Bridge Mode

The Telstra Smart Modem does work in Bridge mode. I have tried it several times. When in Bridge mode the Online light is off by design. The internet still works. You can connect a PC or router to the LAN port and have internet access.

 

The reason I change password and SSID is because I have several devices with fixed IP address connected by WiFi. 9 out of 10 people I know only have a PC, smart phones, tablets and perhaps a WiFi printer or smart TV connected to the modem that are quite easily set up with a new modem by using WPS or entering a WiFi password.

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Level 2: Rookie

Re: DJA0230 Smart Modem Bridge Mode

Well I wish it did, but all I can say Telstra Technical Support doesn't think it works either in Bridged Mode.  Had them try to provide assistance for over an hour.  They gave up and then wanted to sell me Platinum support for what is a click-button on this Modem's management page.

 

Yes the Link light is ON and ONLINE light off - a design feature??  Hmmm not in any Engineering practice I would respect hehe.  Why turn-off the ONLINE light if you are ONLINE?

Bizarre.

 

I am starting to think that maybe the Telstra Smart Modem isn't 100% nbn compliant...  Come to think of it I don't think that I have ever seen it on any nbn 100% compliant/registered list...

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Level 24: Supreme Being
Level 24: Supreme Being

Re: DJA0230 Smart Modem Bridge Mode

The Green  Link on indicate the DSL link is working. The Green Online light indicates the modem has authenticated with Telstra server. In Bridge Mode the modem only acts a DSL modem and its authentication function is disabled hence Link light green and DSL light of when in Bridge mode and modem is connected to node.

Does Smart modem provide Internet access when in normal Mode..

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Level 24: Supreme Being
Level 24: Supreme Being

Re: DJA0230 Smart Modem Bridge Mode

The smart modem uses a broadcom BCM63148 chip which is VDSL compliant

NBN's FTTN/B/C infrastructure uses Broadcom equipment and it is recommended by them for RSP's to use Broadcom DSL chips for maximum compatibility

@cf4 is correct. When the modem is bridged, the online light will be off, similar to the older Telstra modems where the internet light would be red. Bridge mode turns the modem into a passthrough. Whether you're online or not would be determined by the router or device you plug into it
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