[mdlug] Static IP behind NAT with Xfinity

[Gib]

When I really want to control the subnet I use a router that I supply.  Get
a router for $20 and have all the control you need.

Here is a real cheap one:
https://www.amazon.com/GL-iNET-GL-MT300N-V2-Repeater-300Mbps-Performance/dp/B073TSK26W/ref=psdc_300189_t1_B07PWD3PQ5


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On Wed, Aug 5, 2020 at 2:31 PM R KANNAN <rk111810 at gmail.com> wrote:

>  This could be a debian twist.  I did a search for the static IP address on
> all files and found a file under ./NetworkManager/system-connections with
> the same name as my old router SSID
>
> According to this link.
>
>
> https://wiki.debian.org/NetworkManager#:~:text=NetworkManager%20keeps%20connection%20information%20on,man%20nm%2Dsettings%20or%20online
> .
>
> this file "NetworkManager will only handle interfaces not declared in
> /etc/network/interfaces."
> This file seems to have all information on the router and internet service
> such as DNS etc.
>
> I did not manually create this file. Looks like somehow it got created and
> is working. I will investigate further tonight.
>
> On 8/5/20 9:55 AM, R Kannan wrote:
>
> Cannot find this file...
>
> root at HP-DVR:~# cd /etc
> root at HP-DVR:/etc# ls -l dhcpcd.conf
> ls: cannot access dhcpcd.conf: No such file or directory
> root at HP-DVR:/etc# ls -l /etc/dhcpcd.conf
> ls: cannot access /etc/dhcpcd.conf: No such file or directory
> root at HP-DVR:/etc# cd /etc
> root at HP-DVR:/etc# find . -name dhcpcd.conf
> root at HP-DVR:/etc#
>
>
> Thanks
>
> On 8/5/20 9:12 AM, Jay Nugent wrote:
>
> Greetings,
>
> On Wed, 5 Aug 2020, R KANNAN wrote:
>
> Thanks. I did follow the instructions but as I said in my previous email, I
> do not see static IP being set in the */etc/network/interfaces *file. There
> is no reference to eth0 at all in the file.  Only the loop back.
>
>
>
>    /etc/network/interfaces has been depricated and no longer used.  Leave
> it to the snot-nosed pimply-faced kids to mess up a good thing and make
> changes that are unneccesary :(
>
>    Newer distros are now favoring /etc/dhcpcd.conf as the place to edit
> static addresses.  Also now some ding-dong decided that ETH0 was not a
> "predictable" interface name and think that "enxb827ebe0583e" is *more*
> predictable because it contains the MAC address of the interface.  DUH!
>
>    On Rasperian that is easily changed back to ETH0 using the raspi-config
> tool (from the command line, NOT the GUI).  How you do it in other distros,
> I'm not sure...
>
>
>    Here is my snippet of code in /etc/dhcpcd.conf where I set a statis IP
> on my ethernet interface:
>
> #
> # sudo raspi-config
> #  N2 Network
> #     "Predictable Interface Names" should be set to NO
> #
> # Static IP configuration:
> #  Modified JJN 20200712
> #
> interface eth0
> ###interface enxb827ebe0583e
> static ip_address=23.115.92.205/29
> ###static ip6_address=fd51:42f8:caae:d92e::ff/64  <--- static IPv6
> static routers=23.115.92.206
> static domain_name_servers=23.115.92.201
> ### .... 8.8.8.8 fd51:42f8:caae:d92e::1  <--- IPv6 DNS server
>
>
>    Hope this helps!
>
>       --- Jay Nugent  WB8TKL
>
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