How to set up static IP with your SmartNID

Customers with CenturyLink^® Fiber Internet using a C5500XK SmartNID, please call or chat with us to order static IP. An agent will create the order for you and send you the block of IP addresses and any other information that you need.

After you receive your IP addresses, you can sign in to the user settings (GUI) for your SmartNID fiber modem to complete setup as shown in the steps below.

Step 1: Sign in to your modem (SmartNID) user settings

Using an Ethernet cable, plug a computer into the LAN port on the bottom of your C5500XK SmartNID.
Open a browser window and type 192.168.0.1 into the URL or address field.
On the Modem GUI Login screen, enter the admin username and password printed on the sticker attached to the front of the SmartNID.

Static IP setup for SmartNID C5500, step 1

Step 2: LAN subnets settings

Select Advanced Setup from the main menu, then select LAN Subnets from the left side menu. Complete the settings as follows:

Section 1 - Enter the LAN subnet name of your choice
Section 2 - Select the interfaces you wish to enable (WAN/LAN, Ethernet, or both)
Section 3
- For "IPv4 Addressing State," select Enable
- Enter the Network Address, Subnetmask, and Gateway Address provided in your Static IP order form (sample shown in the image below)
- For "Router Admin Access," select Allow
- For "Primary Subnet Access," select Allow
- For "DHCP Server State," select Enabled and enter the start and end address from your Static IP order
- For "DHCP DNS Type," select Custom Servers
- For "Primary DNS," enter 205.171.2.65
- For "Secondary DNS," enter 205.171.3.65
Section 4 - Keep "IPv6 Addressing State" set to Disabled

Select Apply to save your settings.

Step 2 - Option to hand out IP block automatically

Complete settings in sections 1, 2, and 4 as shown above in Step 2. Complete the section 3 settings as show below:

For "DHCP Server State," select Enable and enter the range of IP addresses to be handed out
Keep "Primary Subnet Access" set to Deny
Keep "DHCP DNS Type" set to Default

Select Apply to save your settings.

Step 3: WAN and DHCP settings

Select WAN Settings from the left side menu and complete the settings as follows:

Section 1 - Keep "ISP Protocol" set to Auto Select
Section 2 - Enter the PPP username and password provided in your static IP order.
Section 3
- For "IP Addressing Type," select Block of Static IP Addresses from the drop-down list.
- Enter the Subnet Mask and Gateway Address you received in your order information
- For "LAN DHCP Addressing," select Public Static Subnet
Section 4
- Keep "DNS Type" set to Static DNS
- For "Primary DNS," enter 205.171.2.65
- For "Secondary DNS," enter 205.171.3.65
Section 5 - Keep "IPv6 6rd State" set to Disable