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Landmine
join:2009-01-05
Placerville, CA

Landmine

Member

Configure a Static IP Block on a Netgear 7550

I have a business DSL account with a Static IP Block. I'm looking to configure the modem to allow a computer behind the modem to have one of these Static IPs. I can only access the internet when the modem is using DHCP on the WAN and a Dynamic IP.

I have no phone communication where the modem is located, so this is my best route for getting this resolved.

Thank you!

skj
Welcome to the far side of reality
Mod
join:2002-04-04
Gone South

skj

Mod

Thread started in Direct forum

wayjac
MVM
join:2001-12-22
Indy

wayjac to Landmine

MVM

to Landmine
You'll need to fill in the public ip info on the modems connection configuration page, home network configuration section
wayjac

wayjac to Landmine

MVM

to Landmine
Just fill in the public ip info on the modems connection configuration page
Here's a picture of the connection configuration page



Landmine
join:2009-01-05
Placerville, CA

1 edit

Landmine

Member

Click for full size
My Config has more check boxes
One of the IPs in my IP Block is pingable and has port 8080 open. I believe there is an issue on the backend of the system.

wayjac
MVM
join:2001-12-22
Indy

wayjac

MVM

said by Landmine:

One of the IPs in my IP Block is pingable and has port 8080 open. I believe there is an issue on the backend of the system.

That may be true....Are you getting setup help in your att direct thread?

Landmine
join:2009-01-05
Placerville, CA

Landmine

Member

David asked if you were able to help me. You have, however I believe the problem is on the telco side of things, not the modem.

wayjac
MVM
join:2001-12-22
Indy

wayjac

MVM

said by Landmine:

I can only access the internet when the modem is using DHCP on the WAN and a Dynamic IP.


The modem cannot be configured to use dhcp on the wan.
In your region a dynamic ip is allocated to the modem and the dynamic IP address maps to the block of public ip's

Since david is helping you you don't need me?
wayjac

wayjac to Landmine

MVM

to Landmine
What software version is your 7550 using?

Landmine
join:2009-01-05
Placerville, CA

Landmine

Member

Whoever can help me first! Thank you for your time.

Gateway DSL Firmware Version 4.4.9.12.1.1

I'm in California with my DSL if that changes anything.

wayjac
MVM
join:2001-12-22
Indy

wayjac

MVM

Are you able to use any of the public ip's?
Is the modem working the way you want it to?

Landmine
join:2009-01-05
Placerville, CA

Landmine

Member

I cannot use any of the ip's given to me in my ip block. The modem appears to be working correctly as long as I dont try to force it to use a static ip.

wayjac
MVM
join:2001-12-22
Indy

wayjac to Landmine

MVM

to Landmine
I wanted to know the software version not the firmware version
10 Gateway Software Version VER:06.04.12

Landmine
join:2009-01-05
Placerville, CA

Landmine

Member

Gateway Software Version VER:06.04.20

wayjac
MVM
join:2001-12-22
Indy

wayjac to Landmine

MVM

to Landmine
What are you doing to force the modem to use static ip's?

Landmine
join:2009-01-05
Placerville, CA

Landmine

Member

Using the gateway IP as the Public LAN IP. Subnet 255.255.255.248. DCHP Start and End were the IP Block Range.
Landmine

Landmine

Member

I still dont understand how one of my IP's from my IP Block can have an open port 8080 without a device hooked up to it.

wayjac
MVM
join:2001-12-22
Indy

wayjac

MVM

said by Landmine:

I still dont understand how one of my IP's from my IP Block can have an open port 8080 without a device hooked up to it.

Are you sure it's one of the 5 usable ip's

Landmine
join:2009-01-05
Placerville, CA

Landmine

Member

It is one of the IPs in the range of IPs they provided me. I've confirmed with AT&T tech support twice over the phone.

wayjac
MVM
join:2001-12-22
Indy

wayjac

MVM

The block will have 8 ip's only 5 are usable

jimkyle
Btrieve Guy
Premium Member
join:2002-10-20
Oklahoma City, OK

jimkyle to Landmine

Premium Member

to Landmine
said by Landmine:

I cannot use any of the ip's given to me in my ip block. The modem appears to be working correctly as long as I dont try to force it to use a static ip.

I have a similar setup here, but a different modem/router -- a Motorola 3347. It has detailed instructions for the setup, but I find that simply using the "gateway" address they provided, and ignoring the five static IPs for which I'm paying, has worked satisfactorily for the past year and a half. My main need is for a static IP that never changes, and the "sticky" gateway address takes care of that.

If your need for the separate IPs is great enough, you might look into buying a 3347 from AT&T and configuring it instead. The manual is pretty clear on how to do this.

Landmine
join:2009-01-05
Placerville, CA

Landmine to wayjac

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to wayjac
The block I was provided was 65-69 with 70 as the gateway IP.
Landmine

Landmine

Member

AT&T came and installed the DSL, did not leave a modem, I had to go to an AT&T store to purchase their business modem the 7550. This is the main reason why on most of my buildings we are switching to Comcast.

wayjac
MVM
join:2001-12-22
Indy

wayjac to Landmine

MVM

to Landmine
If you configure the modem's dhcp server to temporary allocate public ip's and use the tcp/ip info for a static setup

Landmine
join:2009-01-05
Placerville, CA

Landmine

Member

That is what I have done. It assigned the IP's correctly, but traffic does not route.

wayjac
MVM
join:2001-12-22
Indy

wayjac

MVM

Have you done a IP address lookup on the block?

Landmine
join:2009-01-05
Placerville, CA

Landmine

Member

A tracert? What do you mean lookup?

wayjac
MVM
join:2001-12-22
Indy

wayjac

MVM

This website
»whois.arin.net/ui
Will give info on the ip's you have
wayjac

wayjac to Landmine

MVM

to Landmine
It seems that I'm not being very helpful to you....sorry
The statics in my region are setup differently than where you are

Landmine
join:2009-01-05
Placerville, CA

Landmine

Member

You're being extremely helpful.

NetRange 75.26.160.0 - 75.26.175.255
CIDR 75.26.160.0/20
Name SBCIS-75261600
Handle NET-75-26-160-0-1
Parent SBCIS-SBIS-6BLK (NET-75-0-0-0-1)
Net Type Reassigned