[mdlug] Static IP behind NAT with Xfinity

[Carl T. Miller]

Hey Jay,

This is a much better answer than what I had.  I was
going to suggest using "grep -Rl 192.168.1 /etc" and
then jumping down the rabbit hole.

c


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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