I have been trying to understand and achieve assigning a static IP address to my machine, while being connected to a router (WiFi) and using DHCP.
My scenario is thus simple, but I think I missing something in understanding:
- I am using a Mac OS 10.9 machine
- I am connected to a wireless network
- I have a Cisco router, which is connected to my LAN (via network cable)
- my router has a setting DHCP Server enabled configured
- I thought I could "have" a static IP by configuring:
- my router: in my DHCP reservation table in my router settings
- my OS network settings: I have configured my OS network settings to be ip v4 "configured with dhcp and using manual address" and provided a static address in my settings (say 192.168.1.123)
- I would like to have the same IP over the internet, when I open my machine, connect to my wifi and check http://whatismyipaddress.com/.
I understand there is a difference of course between having a static IP address in my (local) network and having it in the entire web. And I have read that this can really only be achieved by my ISP really. Please let me know if this is the case.
Sorry if this is already answered, but I could not find the question. I would just like to know if my understanding is correct.
UPDATE: I have tried to rephrase my question and make it more clear. Sorry for not being formally correct in all terms. I just want to know if I can have a static ("final"/constant) IP address, so that wherever I am and whenever I turn my machine on, I have the same IP address, regardless if I am behind my home router or connected to some airport WiFi.