Keeping my static ip with a new modem

[partiesplayin]

Might be a stupid question but here goes.

im using windows 7 64bit i have 2 computers right now, i running 2 modems just hooked the second one up and cant have much interruption in server so why i have both running on my account right now . Comcast BTW

On pc #1 im running a Teamspeak Server with a static ip made with port forward static ip software with origional motorola surfboard docsis 2 modem and a cisco e2500 router

On pc #2 i have no teamspeak server cisco dcp 3800 modem no router, ip is different then pc #1 with plublic static ip.

So my question is when i hook this new modem up to pc #1 & pc #2 with the router and static ip sofware on pc#1 will the ip stay the same as it has been before new cisco modem or will it be a new ip.

If it will change is there a way i can keep it the same ?

 

[bill001g]

You solution to changing IP is always something like dyndns or similar then you don't really care.

It mostly depends what comcast does and they of course are not telling. So if you can reboot your current modem/pc/router and the IP does not change then you have a chance. Some ISP will change the IP pretty much every time things connect.

What you will likely have to do is turn everything off. Then turn on your new modem and then hook the router to this modem. This in theory should move the mac address to that modem. Since the mac did not change the ARP entries will stay the same as well as the DHCP in the ISP routers.

Problem will be if they intentionally put in some form of security to prevent you move mac/ip from connection to connection quickly.

 

[nuix0923]

how many static IPs were you given? there is a way...
----IF----
you were given two static IPs from your ISP,
1. connect your MODEM to a SWITCH(pref. gigabit).
2. Leave your PC#1 as it, (which should have a static IP set on its NIC settings), then connect it directly to the switch.
---Doing this, your SWITCH will tell the modem to give 1 out of 2 Static IPs given to the PC#1 as it tells the switch and modem that he has x.x.x.x as its own static IP.---
3. then, configure your router to the 2nd static ip and connect it to the switch (of course, set the DHCP, so the PCs that are connected to the router can still have internet access)
4. Connect PC#2 to the router.
5. BOOM. This new connection would be the same as your old set-up and no need of changing anything...
see if that helps...and let me know if i misunderstood anything...im not too much of a net wiz!