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SG105 and Telstra NBN FTTP Connection

Dread

Hi Guys,

Remotely trying to get a clients new Telstra Business NBN connection working through the Sophos SG105 they have had for 12 months on their ADSL2 connection. The main issue here is the supplied Static IP. 

If I change the Interface to Ethernet and leave Dynamic ticked - the connection works fine, except its giving me an IP from their dynamic pool obviously.

If I untick it and enter in the supplied (and verified correct) Static IP and subnet mask - it kills the connection on a reboot and will not reconnect.

Anyone hooked up a Telstra Business NBN FTTP connection with a Static IP to a SG Firewall successfully???

Any tips would be appreciated!!  ;)



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  • 0 in reply to BAlfson

    Ended up getting a second IP address since they still haven't sorted the original Static IP we were supposed to get. Set up the additional IP, changed MX records, and then set up a new SNAT rule from Internal Mail Server to Any using the Second IP. Had to turn off sending via the UTM as no matter what I tried it kept trying to send through the main dynamic IP only. So now sending via Exchange instead and that is going out the correct Secondary IP.

    Cheers for the tips and pointers lads!

  • 0 in reply to Dread

    When creating an SNAT for messages sent by the SMTP Proxy, it must look like:

    SNAT : External (Address) -> SMTP -> Internet : from External [Mail] (Address)

    Cheers - Bob