Just got NBN installed. I plugged my existing MX64 meraki router into the telstra smart modem and almost everything is working ok. The only exception is the existing port forwarding I had set up no longer works.
Is having the smart router connected to the MX64 a good idea or should I just ditch the MX64?
How can I get the port forwarding to work through the new modem?
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You could put the MX64 meraki router in the DMZ of Smart Modem
Arcadyan Modem (LH1000) Go to Advanced > Fire wall > Firewall DMZ
Technicolor Modem (DJA0231) Advanced > WAN services > DMZ.
Before putting MX64 meraki router in DMZ set a static IP address for the MX64 meraki router in the Telstra Modem (Advanced / Go to Advanced > Local Network).
Alternatively if you have an NBN FTTC or HFC connection connect MX64 meraki router directly to NBN NTD and connect Telstra modem via its WAN port to a LAN port of the MX64 meraki router. If you have trouble wit incoming calls disable SIP ALG in the MX64 meraki router.
Thanks CF4 good idea. I have HFC so went with the alternative suggestion and plugged the MX64 directly to the NBN. Internet and port forwarding are both working fine now.
I plugged the WAN port of the Telstra smart modem into a LAN port of the router. However I'm having trouble getting the phone to work, can't find how to disable SIP ALG (SIP Fixup) in the MX64 router. So the landline is not working. Let me know if any ideas.
Try putting the Smart Modem in the DMZ of the MX64. Are Online and WAN / DSL lights green on Smart Modem?
@random_dude At any time when you had the NBN service commissioned, were you able to make and receive calls when the Telstra Smart modem was connected to the Arris HFC modem. From forum readings, after that phase is verified, it is OK to then place the Telstra modem behind a third party router essentially delegating it to a VoIP Adapter, DHCP and Wi-Fi network. Cisco Meraki does not appear to support SIP ALG, so I don't think that is an issue for you - it may be that your voice service has not been fully activated by Telstra.
@cf4- please feel free to fill in any comments and qualifying points or correct them if I have misunderstood the situation as I am not clear on the IP addressing - assuming no conflict under different subnets.
Out of curiosity, apart from possible Cisco VPN support, is there a special reason you are using an Enterprise Security Appliance in your home network - its a great product with high protection and cloud management services under a licenced controlled environment.