New To Mac-Forums?

Welcome to our community! Join the discussion today by registering your FREE account. If you have any problems with the registration process, please contact us!

Get your questions answered by community gurus Advice and insight from world-class Apple enthusiasts Exclusive access to members-only contests, giveaways and deals

Join today!

 
Start a Discussion
 

Mac-Forums Brief

Subscribe to Mac-Forums Brief to receive special offers from Mac-Forums partners and sponsors

Join the conversation RSS
Internet, Networking, and Wireless Discussion of networking, internet, and wireless including Apple's Airport products.

Changing Dynamic IP address????


Post Reply New Thread Subscribe

 
Thread Tools
CrossBones

 
Member Since: Apr 21, 2005
Posts: 766
CrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of light

CrossBones is offline
Can anybody help me with forcing my system to change the Dynamic IP address assigned under DHCP?

I have a cable modem which uses dynamic IP addresses through Comast. I've been told to change the IP address I should "Renew DHCP Lease" which would possibly change the IP address. But Comast hasn't been very helpful as to the exact procedure for doing this.

I am running a network through an Airport and have a Powerbook and G5 on the network.

Can somebody give me the steps to accomplish this?
QUOTE Thanks
rman

 
rman's Avatar
 
Member Since: Dec 24, 2002
Location: Los Angeles, California
Posts: 12,591
rman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud of
Mac Specs: 2 x 3.0GHz Quad-Core, 6GB OS X 10.6.8 | 15in MacBook Pro 2.2GHz OS X 10.6.8 | 64GB iPad 2 WiFi

rman is offline
I believe all you do is turn you modem off for a short period of time.

Life isn't about waiting for the storm to pass, It's about learning to dance in the rain!
QUOTE Thanks
CrossBones

 
Member Since: Apr 21, 2005
Posts: 766
CrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of light

CrossBones is offline
Quote:
Originally Posted by rman View Post
I believe all you do is turn you modem off for a short period of time.
Well I tried that -- sort of. I forgot to shut down my laptop so maybe that is why it didnt work.

But, what would be the sequence to assure this would work?

1) Shut down laptop
2) Renew DHVP Lease
3) Shut down computer (G5)
4) Recycle modem and Airport (unplug both)
5) Plug modem/airport back in after say 5 minutes
6) Reboot computer

You think that is what and how it should be done?

Thanks.
QUOTE Thanks
rman

 
rman's Avatar
 
Member Since: Dec 24, 2002
Location: Los Angeles, California
Posts: 12,591
rman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud of
Mac Specs: 2 x 3.0GHz Quad-Core, 6GB OS X 10.6.8 | 15in MacBook Pro 2.2GHz OS X 10.6.8 | 64GB iPad 2 WiFi

rman is offline
Okay here is the situation you have. Your cable modem is assign an ip address, when it is turn on. At which point your AirPort router picks up this address and uses it. Your AirPort router is using DHCP to assign ip addresses to each of your computers on your network.

Turning the cable modem off and back on does renew the DHCP Lease on the cable modem, but on the Airport router you are still using the same series of ip addresses.

Why do you need to change the ip addresses?

Life isn't about waiting for the storm to pass, It's about learning to dance in the rain!
QUOTE Thanks
CrossBones

 
Member Since: Apr 21, 2005
Posts: 766
CrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of light

CrossBones is offline
Quote:
Originally Posted by rman View Post
Okay here is the situation you have. Your cable modem is assign an ip address, when it is turn on. At which point your AirPort router picks up this address and uses it. Your AirPort router is using DHCP to assign ip addresses to each of your computers on your network.

Turning the cable modem off and back on does renew the DHCP Lease on the cable modem, but on the Airport router you are still using the same series of ip addresses.
So are you saying I have to "reset" the Airport at some point in the process? I mean there is a way to do this but I just can't get a handle on how.

Quote:
Originally Posted by rman View Post
Why do you need to change the ip addresses?
Because I want to.

Not trying to be a smart --- just sayin'.
QUOTE Thanks
Reel1

 
Reel1's Avatar
 
Member Since: Nov 29, 2006
Location: Barrie, Ontario, Canada
Posts: 606
Reel1 is a jewel in the roughReel1 is a jewel in the rough
Mac Specs: 2.16 GHz Intel Imac Core 2 Duo//MacBook 1.83 Core 2 Duo//G5 Power Mac

Reel1 is offline
Your external IP is assigned by your ISP. To get a new external IP you disconnect your modem from the power supply as well as the cable (if its cable) wait several minutes plug it back in and most times you have a new IP...notice the two words "most times". Good luck
QUOTE Thanks
rman

 
rman's Avatar
 
Member Since: Dec 24, 2002
Location: Los Angeles, California
Posts: 12,591
rman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud of
Mac Specs: 2 x 3.0GHz Quad-Core, 6GB OS X 10.6.8 | 15in MacBook Pro 2.2GHz OS X 10.6.8 | 64GB iPad 2 WiFi

rman is offline
Quote:
Originally Posted by CrossBones View Post
So are you saying I have to "reset" the Airport at some point in the process? I mean there is a way to do this but I just can't get a handle on how.

Because I want to.

Not trying to be a smart --- just sayin'.
The reason, why I asked is you are only going to reset the ip address on the cable modem only. Your ISP (cable company) only has a set amount of ip addresses, which they cycle through each time a cable modem is reset. As was stated before, you may receive the same ip address after your reset your modem. As for your AirPort router you will have make a change to your configuration to get a different ip address.

Life isn't about waiting for the storm to pass, It's about learning to dance in the rain!
QUOTE Thanks
CrossBones

 
Member Since: Apr 21, 2005
Posts: 766
CrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of light

CrossBones is offline
Thanks guys. I'll give it another shot!
QUOTE Thanks
CrossBones

 
Member Since: Apr 21, 2005
Posts: 766
CrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of light

CrossBones is offline
**** I cannot get this thing to change my IP.

I unhooked the cable from the modem. Unpluged the modem and unplugged the AirPort. Shut down all the computers on the network and left everything off for about 1/2 hour.

Reconnected the modem, plugged it in...waited for it to recycle, plugged in the airport and restarted computer...same IP. :mad:

WTF?
QUOTE Thanks
rman

 
rman's Avatar
 
Member Since: Dec 24, 2002
Location: Los Angeles, California
Posts: 12,591
rman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud of
Mac Specs: 2 x 3.0GHz Quad-Core, 6GB OS X 10.6.8 | 15in MacBook Pro 2.2GHz OS X 10.6.8 | 64GB iPad 2 WiFi

rman is offline
The problem is which ip address are you loking at? You will not get a new ip address from your Airport if you have only one item connected to it. Your cable modem may have changed, but you will need to look at your airport configuration

Life isn't about waiting for the storm to pass, It's about learning to dance in the rain!
QUOTE Thanks
CrossBones

 
Member Since: Apr 21, 2005
Posts: 766
CrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of light

CrossBones is offline
Quote:
Originally Posted by rman View Post
The problem is which ip address are you loking at? You will not get a new ip address from your Airport if you have only one item connected to it. Your cable modem may have changed, but you will need to look at your airport configuration
Not sure what you mean.

When I check to see my IP address it's the same as it has been for a long time even though I went through the disconnect procedure etc.

The Airport is giving an IP of 10.0.1.3 etc....nothing to do with the actual IP coming from the ISP...right?
QUOTE Thanks
rman

 
rman's Avatar
 
Member Since: Dec 24, 2002
Location: Los Angeles, California
Posts: 12,591
rman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud of
Mac Specs: 2 x 3.0GHz Quad-Core, 6GB OS X 10.6.8 | 15in MacBook Pro 2.2GHz OS X 10.6.8 | 64GB iPad 2 WiFi

rman is offline
There are two ip address in your environment. The one on the cable modem and the other is on the AirPort. The AirPort will give you the same address each time you reset it unless you change it. The cable modem will change from time to time.

Life isn't about waiting for the storm to pass, It's about learning to dance in the rain!
QUOTE Thanks
CrossBones

 
Member Since: Apr 21, 2005
Posts: 766
CrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of lightCrossBones is a glorious beacon of light

CrossBones is offline
Quote:
Originally Posted by rman View Post
There are two ip address in your environment. The one on the cable modem and the other is on the AirPort. The AirPort will give you the same address each time you reset it unless you change it. The cable modem will change from time to time.
OK, I have no idea how to change the IP address on the AirPort. Apparently that is the problem?
QUOTE Thanks
rman

 
rman's Avatar
 
Member Since: Dec 24, 2002
Location: Los Angeles, California
Posts: 12,591
rman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud ofrman has much to be proud of
Mac Specs: 2 x 3.0GHz Quad-Core, 6GB OS X 10.6.8 | 15in MacBook Pro 2.2GHz OS X 10.6.8 | 64GB iPad 2 WiFi

rman is offline
Look at the AirPort users manual, you should find the information you want. I believe you can make the changes using the AirPort Admin utility.

Life isn't about waiting for the storm to pass, It's about learning to dance in the rain!
QUOTE Thanks

Post Reply New Thread Subscribe


« Airport to Wii? | Protection »
Thread Tools

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts
BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off
Forum Jump

Similar Threads
Thread
Thread Starter
Forum
Replies
Last Post
retrieving and changing the ip address niksniil OS X - Development and Darwin 4 04-03-2006 12:10 AM
IP address keeps changing Small giraffe Internet, Networking, and Wireless 3 01-27-2006 01:47 PM
Import Mac Address book Milwauken Running Windows (or anything else) on your Mac 6 09-15-2005 05:41 PM
Changing Mac Address minus182 Internet, Networking, and Wireless 0 12-08-2004 02:06 AM
IP Address for VPC XP in Company LAN billitone OS X - Operating System 0 06-08-2004 08:35 PM

All times are GMT -4. The time now is 05:43 PM.

Powered by vBulletin
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
X

Welcome to Mac-Forums.com

Create your username to jump into the discussion!

New members like you have made this community the ultimate source for your Mac since 2003!


(4 digit year)

Already a member?