prkprk
Level 1: Cadet

NBN modem

Answered

What does a solid Blue line on the FRONT of my Telstra installed NBN modem mean please? Most days the light is solid green & the internet is ok. But on the days when it is blue, it is slower & keeps cutting off. Does it indicate 4G backup is on? If so, is it correct that 4G backup speed is limited to 6mps? Is there a guide on the 4G backup somewhere? Thanks

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cf4
Level 24: Supreme Being
Level 24: Supreme Being
Accepted Solution

Re: NBN modem

When 4G backup was first introduced it was limited to 6 Mbps down, 1 MBps up but it is now limited to about 25 Mbps up and 6 Mbps down. On 4G back the modem only has an IPv6 address on the WAN some devices and apps might not work correctly with only an IPv6 address. If it is only some apps or devices that having problems on 4G back you could try changing the PDP type to IPv4v6 in the modem's mobile settings.

 

The blue front light does indicate modem is on 4G backup. There could be an intermittent fault on your link.

 

The only guide to 4G backup are unofficial in section 25 of the document linked in these posts.

 

Telstra Smart Modem Gen 2 Technicolor DJA0231
https://crowdsupport.telstra.com.au/t5/Modems-Hardware/Telstra-Smartmodem-Gen-2-Technicolor-version-...

 

Telstra Smart Modem Gen 2 LH1000
https://crowdsupport.telstra.com.au/t5/Modems-Hardware/Telstra-Smart-Modem-Gen-2-Arcadyan-version-LH...

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Jupiter
Level 25: The Singularity
Level 25: The Singularity

Re: NBN modem

Yes, when the light is blue it means that you are on the 4G backup.

The backup is limited to 25Mbps, but is dependant on the mobile reception at your premises.

Never be afraid to back yourself when trying new things, just always make sure you have 3 escape routes if things go wrong.
cf4
Level 24: Supreme Being
Level 24: Supreme Being
Accepted Solution

Re: NBN modem

When 4G backup was first introduced it was limited to 6 Mbps down, 1 MBps up but it is now limited to about 25 Mbps up and 6 Mbps down. On 4G back the modem only has an IPv6 address on the WAN some devices and apps might not work correctly with only an IPv6 address. If it is only some apps or devices that having problems on 4G back you could try changing the PDP type to IPv4v6 in the modem's mobile settings.

 

The blue front light does indicate modem is on 4G backup. There could be an intermittent fault on your link.

 

The only guide to 4G backup are unofficial in section 25 of the document linked in these posts.

 

Telstra Smart Modem Gen 2 Technicolor DJA0231
https://crowdsupport.telstra.com.au/t5/Modems-Hardware/Telstra-Smartmodem-Gen-2-Technicolor-version-...

 

Telstra Smart Modem Gen 2 LH1000
https://crowdsupport.telstra.com.au/t5/Modems-Hardware/Telstra-Smart-Modem-Gen-2-Arcadyan-version-LH...

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prkprk
Level 1: Cadet

Re: NBN modem

Many thanks to the people who replied

99911
Level 1: Cadet

Re: NBN modem


@prkprk wrote:

What does a solid Blue line on the FRONT of my Telstra installed NBN modem mean please? Most days the light is solid green & the internet is ok. But on the days when it is blue, it is slower & keeps cutting off. Does it indicate 4G backup is on? If so, is it correct that 4G backup speed is limited to 6mps? Is there a guide on the 4G backup somewhere? Thanks


 

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