ER605 (TL-R605) v2 with Telstra NBN

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ER605 (TL-R605) v2 with Telstra NBN

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
ER605 (TL-R605) v2 with Telstra NBN
ER605 (TL-R605) v2 with Telstra NBN
2022-07-27 02:24:37
Model: ER605 (TL-R605)  
Hardware Version: V2
Firmware Version:

Hi Guys,

 

Do you know if I can use a ER605 (TL-R605) router with Telstra NBN and still have 4G Failover and access to SIP/Telephony that comes from Telstra Smart Modem?

 

Topology is

 

NBN Connection Box > Telstra Smart Modem > TPLINK Switches and APs

 

I've tried to do the following

 

NBN Connection Box > TPlink ER605 (TL-R605) > TPLink switches and APs ( This works but loose 4G failover and SIP/Telephony that is supplied by Smart Modem)

 

Troubleshooting done

 

* If put Smart Modem in Bridge mode loose 4G failover and Telephony

* Attempted DMZ via Smart Modem but believe can't get it to work.

* Routers connected but on different subnet's but I don't believe it worked properly.

 

Any suggestions. If not is there another method to get a WAN failover connected via the ER605 (TL-R605). Telephony might I could possibly port to another provider or divert to my mobile. It's more the 4G failover I would like to keep.


Thanks


Shane

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Re:ER605 (TL-R605) v2 with Telstra NBN
2022-07-27 07:38:08

  @shano81 Hi

 

Try NBN Connection Box > Telstra Smart Modem > ER605>Other AP/switches.

 

But make sure the ER605 has different subnet from your Telstra Smart Modem. ER605 default IP is 192.168.0.1, if you smart modem also use 192.168.0.x/24 subnet, there will be a conflict and you need to change the ER605 to another subnet like 192.168.2.1

 

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Re:ER605 (TL-R605) v2 with Telstra NBN
2022-07-27 09:52:11

  @Somnus 

 

Do I plug in from the Smart Modem LAN port to the ER605 WAN port? or LAN to LAN?

 

Regards,

Shane

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Re:ER605 (TL-R605) v2 with Telstra NBN
2022-07-28 06:10:06

  @shano81 Yes, Smart Modem LAN port to the ER605 WAN port .

 

There will be double-NAT but at least it can keep the Smart Modem functions. Consider ER605 is just a client device of Smart Modem, so no matter the Internet comes from NBN box or 4G, smart modem will provide Internet to the ER605 anyway.

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