Re: [Astlinux-users] New internet provider with IPoE

[Michael K. <mic...@ip...>]

Thanks Lonnie

No my modem just bridges the IPoE to Astlinux and gives it a default gateway.
The modem itself is on 172.30.254.2/24 and usually 172.30.254.1 is configured on eth0 with PPPoE as the WAN interface.
This is now not configured on eth0 but it should be able to be added as a secondary address I assume?

Regards
Michael Knill

On 11/11/21, 12:30 am, "Lonnie Abelbeck" <li...@lo...> wrote:

    Hi Michael,

    Are you saying the ISP is providing both DHCP and Static IPs for your public WAN address(es) using the same routed subnet?

    My business DOCSIS cable modem ISP provides either a DHCP or a Static IP public WAN address, but not both at the same time for the same interface.  Basically because the DHCP addresses are routed in a different public subnet versus the Static addresses.

    On the other hand, if only DHCP is used for the public WAN address, then to admin your bridge modem using a static private address should work without any extra effort.

    Again in my example, the cable modem will accept HTTPS connections to 192.168.100.1, provided 192.168.100.1 is routed via the default route over the WAN path, the modem's web interface will appear.  Though if you defined a local private 192.168.100.1/24 LAN network or block RFC1918 egress traffic, the modem's web interface will be blocked.

    Lonnie



    > On Nov 9, 2021, at 10:03 PM, Michael Knill <mic...@ip...> wrote:
    > 
    > We are now using a new internet provider that uses IPoE rather than PPPoE which is nice.
    > Just wondering if its possible to have the WAN interface as both DHCP and also a secondary static IP Address to connect to the bridge modem.
    > I have this set up with PPPoE but as it's a separate interface its easy to do.
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