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How to Use DHCP to Reestablish Communication With the Printer

By Ruri Ranbe

Dynamic Host Configuration Protocol configures devices that connect to a local area network; companies can use DHCP to automatically assign IP addresses to every workstation, tablet, smartphone, printer or other hardware that is joined to a LAN. If you've converted a local printer into a network printer and have DHCP enabled on your router, you can find the IP address of the device in the DHCP client list, and then use that information to reinstall the printer to your PC. Others in your office can also perform the same process to install the networked device to their workstations as well.

Press "Windows-C" to open the Charms bar. Click "Search," and then click "Settings."

Enter "network" into the search field, and then select "View Network Connections" from the options.

Right-click "Wi-Fi," select "Status" from the context menu, and then click "Details."

Open a browser and navigate to the address listed in the IPv4 Default Gateway field.

Enter the administrative credentials for the router into the username and password fields.

Display the list of connected devices using the procedure for your router. Click "Status," "Local Network," then "DHCP Clients Table" for Linksys. Click "Status," then "Device Info" for D-Link. Select "Attached Devices" from under Maintenance for Netgear. Click "Main," then "LAN & DHCP Server" for TRENDnet. Select "DHCP Client List" from under LAN Setup for Belkin.

Locate the printer in the list of connected devices; the default host name of the device is often the name of the printer model or manufacturer. Write down the IP address associated with the printer.

Open the Charms bar. Click "Settings," then "Control Panel." Select "View Devices and Printers" from under "Hardware and Sound."

Select "Add a Printer" from the toolbar, and then click "The Printer I Want Isn't Listed."

Choose "Add a Printer Using a TCP/IP Address or Hostname" from the options, and then click "Next."

Select "TCP/IP Device" from the "Device Type" drop-down menu. Enter the IP address of the printer into the Hostname or IP Address field.

Click "Next." Select your printer model from the list, if prompted, and then click "Next" again.

Create a name for the printer or use the default identifier. Click "Next," and then click "Finish."

Check the documentation included with the router, or review the product sticker on the bottom of the device, to find the default administrative details, if necessary.

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Ruri Ranbe has been working as a writer since 2008. She received an A.A. in English literature from Valencia College and is completing a B.S. in computer science at the University of Central Florida. Ranbe also has more than six years of professional information-technology experience, specializing in computer architecture, operating systems, networking, server administration, virtualization and Web design.

Configuring Dynamic VLAN assignment on the EX Switch/SRX with standard Windows XP2 client and Steel Belted RADIUS (SBR)

This article provides a method of configuring Dynamic VLAN assignment on the EX Switch/SRX with standard Windows XP2 client and Steel Belted RADIUS (SBR). The EX Switch/SRX acts as authenticator in 802.1X environment. The end user, also known as supplicant, uses Windows XP SP2, and the Authentication Server is SBR.

EX Switch/SRX configuration

Steel belted radius (sbr) configuration.

• Add the Radius clients to the SBR server
• Add Native users to the user list for Authentication
• Return to following attributes in the Return List for dynamic VLAN assignment.
• Tunnel-Medium-Type = 802
• Tunnel-Private-Group-ID = sales(Please note that the value of this attribute is name of the VLAN i.e. sales as configured above, Or, a vlan-id number)
• Tunnel-Type = VLAN
• Set the authentication method and order
• Name = Native User
• EAP Methods = MD5 Challenge

Windows XP SP 2 client configuration

• Go to network connections
• Go to properties of LAN card
• Go to Authentication TAB
• Check "Enable 802.1X authentication for this network"
• Set EAP type as MD5-Challenge

VERIFICATION

2020-02-19: minor non-technical edits.

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Example: Configuring IPv4 Dynamic VLAN Demux Interfaces over an Aggregated Ethernet Underlying Interface with DHCP Local Server

This example shows how to configure the dynamic creation of IPv4 VLAN demux interfaces with aggregated Ethernet as the underlying interface. DHCP Local Server configuration enables the association of subscribers to the VLAN demux interface by listing the aggregated Ethernet interface in the DHCP local server configuration.

VLAN demux subscriber interfaces over aggregated Ethernet physical interfaces are supported only for MX Series routers that have only MPCs installed. If the router has other cards in addition to MPCs, the CLI accepts the configuration but errors are reported when the subscriber interfaces are brought up.

To configure dynamic subscribers on dynamic VLAN demux interfaces:

Enable VLAN tagging and VLAN auto-configuration on the underlying aggregated Ethernet interface that you plan to use for dynamically created VLAN demux interfaces.

Define the gigabit Ethernet interfaces that are part of the aggregated Ethernet interface.

Define the loopback interface.

Configure a dynamic profile for subscriber access.

Configure a dynamic profile for VLAN demux interface creation.

Configure the access method used to dynamically create the subscriber interfaces. The following stanza specifies the aggregated Ethernet interface ( ae1.0 ) for use with the dynamically created subscriber interfaces.

Instead of using the aggregated Ethernet interface, you can alternatively specify demux0 as the device to use with the subscriber interfaces as follows:

Because the demux interfaces and unit values are created dynamically, the unit number is not specified for the demux0 interface.

Related Documentation

• Configuring Dynamic Subscriber Interfaces Using VLAN Demux Interfaces in Dynamic Profiles
• Attaching Dynamic Profiles to DHCP Subscriber Interfaces or DHCP Client Interfaces