others here are correct cheap consumer routers rarley have the option to
handle multiple ip's
better routers do. It is built in ipfire ( my choice of routers) on a old
computer with 2-4 network cards or in a vm also works and I think it is
available in
pfsence or opensence and DDWRT just add a alias IP and then port forward to
the server you want it togo to.
On Sun, Jul 9, 2023 at 4:44 PM James Mcphee via PLUG-discuss <
plug-discuss@lists.phxlinux.org> wrote:
> Buddy who ran cox business had 6 ip's. stacked them on the router and
> provided different SNAT/DNAT to the boxes behind. There was some
> configuration fiddliness with the modem, but this was years ago. any
> reasonable router would be able to do this, the main question is how the
> modem handles it.
>
> On Sun, Jul 9, 2023 at 1:51 PM David Schwartz via PLUG-discuss <
> plug-discuss@lists.phxlinux.org> wrote:
>
>> AFAIK, the Cox router can be configured to either run DHCP or as a Static
>> IP address. Either way, it can only listen to one IP. They do run DHCP from
>> the local hubs, but the IPs themselves rarely change, and you’re sharing
>> them with the whole neighborhood.
>>
>> Most hosting providers share a single IP among multiple accounts coming
>> into a server. There are two separate IPs for DNS hosting on a totally
>> different server. If you want your own dedicated IP for your account, you
>> can usually get it. But I can’t think of any that let you set up a separate
>> IP for individual services unless they’re on separate servers in different
>> facilities. I’ve had hosting accounts where they share a pool of IPs among
>> hosting accounts, and I’d have up to 6 IPs, but each account only had one
>> IP and all of the services used that one IP.
>>
>> The only situations I’ve heard where people are using multiple IPs is to
>> have backup internet providers, like Cox, CenturyLink, etc, in case one of
>> them goes down. In those cases, you need a router designed to handle
>> multiple (usually two) WAN ports where one is primary and the other is a
>> failover.
>>
>> -David Schwartz
>>
>>
>>
>>
>> On Jul 9, 2023, at 12:33 PM, Keith Smith via PLUG-discuss <
>> plug-discuss@lists.phxlinux.org> wrote:
>>
>> Hi,
>>
>> Was looking at the raspberrypi this morning and it brought me to the same
>> place I have come to several times in the post.
>>
>> I have a business account with Cox Cable which allows me to run 1 or more
>> servers. Last year I used an old laptop to make a web server using Ubuntu,
>> Apache, MySQL, PHP, plus Postfix and dovecot, plus BIND. I'm a PHP dev so
>> I felt pretty good about that achievement.
>>
>> I only have 1 public IP and everything on my network has a private IP. I
>> used port forwarding to get the web server to work.
>>
>> Supposedly I can get multiple IPs from Cox. On several occasions I've
>> asked the level 1 how I would configure 1 or more servers on the public IPs
>> they can provide and they do not know how.
>>
>> At some point in the future I'm thinking I'd like to create a publicly
>> facing group of PIs to run as a web server (or maybe more)... 1 for HTTPS,
>> 1 for DNS, 1 for mail, and 1 for MySQL (on a private IP ?).
>>
>> I assume I would use the Cisco gizmo that has coax in and RJ45 out... the
>> out would go into a small switch which would route each IP to the
>> appropriate PI based on the BIND config. I assume I can plug my Netgear
>> router into the switch that currently has multiple devices connected to it
>> on private IPs, and which provides WIFI.
>>
>> I assume I can add a router in between the Cisco (modem?) and my Netgear
>> and everything would work as it does now. The added router would then be
>> in place to deal with any additional IP address that Cox would provide?
>>
>> Thanks in advance for any help!!
>>
>> Keith
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>>
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>
>
> --
> James McPhee
> jmcphe@gmail.com
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>
--
Todd Cole
Ubuntu Arizona Team
2928 W El Caminito
Phoenix AZ 85051-3957
toddc@azloco.com
602-677-9402
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