[Discuss] one vs many static IP addresses

[jabr at blu.org (John Abreau)]

If you have two different providers with static addresses, it makes sense
to use both so that if one provider has an outage, you can still reach your
servers through the other provider.

On Sun, Jan 3, 2016 at 3:20 PM, Stephen Adler <adler at stephenadler.com>
wrote:

> Happy new year BLU,
>
> My new years resolution was to clean up my static IP addresses I have with
> verizon and comcast. Being an linux nut I decided to keep both verizon and
> comcast static IP addresses, but figured there's no real need for both and
> just to stick with one provider. In this "clean up", I'm consolidating a
> bunch of domain names set to the comcast ip addresses to the verizon ones.
>
> Currently I have 5 comcast static ip addresses and 5 verizon static ip
> address. The reason I got 5 in the first place with comcast when I first
> got my access to the internet when I moved into my home, was that it was
> like only a few dollars more a month to have 5 instead of 1. But now that
> I'm consolidating my domain names, and the use of apache virtual hosting,
> the question I have is if there is any reason to use more then 1 static IP
> address to run my web and sshd services from my basement server? Would it
> make sense that if I have more than one server in my basement and I want
> each of them to access the internet directly, then I would assign one
> static IP to each server. If I only have one server in my basement then
> only one IP address would be sufficient. Or is there another subtly I'm
> missing regarding static IP address and how apache would use them?
> Currently, in order to assign them IP addresses, I have several network
> cards in my server and then have aliased some of the network cards with
> multiple ip addresses. It seems to me the cleanest way of managing the IP
> addresses is to just assign one ip address to one network card and then use
> the apache virtual host configuration to run multiple web sites off a
> single IP address.
>
> Any thoughts on the matter would be very helpful.
>
> Thanks BLU.
>
> Cheers. Steve.
>
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>



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John Abreau / Executive Director, Boston Linux & Unix
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