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Access Bridged Modem

ps500
I'm trying to setup routing/access to my bridged ADSL modem on Sophos 9.
Modem is in full bridge, PPPOE is configured on Sophos.

My setup:

WAN IP: DHCP / additional IP: 10.72.2.2 

Internal IP: 10.72.3.1

Modem IP: 10.72.2.1

Could someone please help me configure access to my modem's web-interface, how do I do this in Sophos 9?[:S]


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  • 0
    Hi everyone, found work around:

    Enable SSH on UTM, and hit the command line
    Find the interfaces in question "ifconfig"
    Then assign the interfaces the addresses manually.

    I have 1 modem @ 192.168.1.1, and the other @ 192.168.2.1.
    So 2 commands on the appropriate facing interfaces:
    "ifconfig INTERFACE 192.168.2.2 netmask 255.255.255.0"
    "ifconfig INTERFACE 192.168.1.2 netmask 255.255.255.0 "

    Where "INTERFACE" is your eth interface facing the modem(s)
    That did the Trick! Modems are now accessible internally.
Reply
  • 0
    Hi everyone, found work around:

    Enable SSH on UTM, and hit the command line
    Find the interfaces in question "ifconfig"
    Then assign the interfaces the addresses manually.

    I have 1 modem @ 192.168.1.1, and the other @ 192.168.2.1.
    So 2 commands on the appropriate facing interfaces:
    "ifconfig INTERFACE 192.168.2.2 netmask 255.255.255.0"
    "ifconfig INTERFACE 192.168.1.2 netmask 255.255.255.0 "

    Where "INTERFACE" is your eth interface facing the modem(s)
    That did the Trick! Modems are now accessible internally.
Children
  • 0 in reply to JohnRiley
    Hi, good advice, but you don't have to do this on command line since your configuration may get lost on reboot or update. Under interfaces and routing, use the additional address tab. This way it will be saved as a part of your backup also [;)]

    So , put your external modem in a different subnet eg 10.72.1.1 and then create an additional address 10.72.1.2 on the UTM as john suggested.
  • 0 in reply to Billybob
    Hi Billybob, already tried this - it didn't work. I've seen some other postings on this site of people also trying this - didn't work.
  • 0 in reply to JohnRiley
    I haven't used pppoe in years so I have no way to recheck if the additional IP still works but by using ifconfig, you are essentially adding additional IP via command line that you can't see in webadmin.

    In any case, I just noticed the original thread date and it was created more than 2 years ago but perhaps our conversation will help someone else [;)]
    Regards
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