However, a hard coded IP is not limited to a 192.x.x.x IP address. If you are faculty or staff and require an unchanging static IP for an application or project, please contact the Computing Helpdesk. To remove a hard coded IP address and use a dynamic address, click your operating system below. Once you have the MAC address for your device or computer you’re ready to create its static IP address. To create a static IP address. Before you start. You will need the IP address of your Telstra modem. The IP address is on the underneath of your modem. The most common modem IP addresses are:;;

  1. My router allows for static DHCP leases. Static leases are used to assign fixed IP addresses and symbolic hostnames to DHCP clients. So, you supply the MAC address of the server and it's desired IP address as a 'static lease', and DHCP will always allocate the same IP.
  2. When I last created all the configuration (as I said in my previous post), the show ip dhcp bindings command showed me correct static bindings as I expected (.80.35 and.80.36), but the actual users still got different IP addresses via DHCP (.80.2 and.80.3 that are part of the DHCP pool that I defined).
  3. Most IP addresses assigned today by Internet Service Providers are dynamic IP addresses. It's more cost effective for the ISP and you. Well, more or less. If you read on, you'll learn about the difference between a dynamic IP vs. Static IP, in non-technical language you can understand.
well, there are several things to consider here
1) your router might be set in a way that it hands out the .3 IP via DHCP, so another machine on the network might be using the .3 address already
2) do you have another device set up to use .3?
3) do you have set your subnetmask, routing and DNS information? those are important. subnetmask should be and routing and DNS is the IP of your router in most cases
4) your static IP should start with either 192. or 10., is that the case?
5) if all of that doesn't help, can you access your router with the static IP (entering its IP in the browser URL field)?
edit: also, OS X has a little annoying bug where it sometimes deletes your DNS info when you switch from DHCP to manual IP. after you are done, click apply in the network settings dialog, go back to the system preferences main dialog, back into network, click advanced, switch to the DNS tab and make sure your DNS IP is present in the DNS-Servers list. if not, add it and apply the changes.
Static ip for macMac

Public Vs Static Ip Address

Dec 11, 2010 3:28 AM

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