Administrator's Guide

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Connecting to the Network

Setting the IP Address Using the arp/ping Command

If you are using UNIX or OS/2, you can use the arp command to set the IP address of the Internal Print Server, and the ping command to check that you have set it correctly. You can also use these commands in Windows 98/95 or Windows NT, if you have correctly installed TCP/IP networking on these systems.

Before you start, you will need the following information:

A valid IP address for the Internal Print Server. Ask your system administrator for an IP address which will not cause conflicts with any other device on the network. If you are the system administrator, choose an address within your subnet which will not conflict with any other device.

The MAC address of the Internal Print Server. This is the hardware serial number of the interface, which cannot be changed. You can check the MAC address on a status sheet.

If the host from which you will be setting up the Internal Print Server is on a different LAN segment, make sure that the gateway to the Internal Print Server (router or routing host) is correctly configured on your machine.

Setting and checking the new IP address

To set the new IP address which you have obtained from your system administrator, use the ARP command, with the -s flag (create ARP entry).

Note:

Before you set the new IP address using the ARP command, you need to select PING for Get IPAddress in Network Menu of the printer's control panel.

In the following, we will assume that the MAC address of your Internal Print Server is 00:00:48:93:00:00 (hexadecimal); and the IP address which you will be assigning is 192.168.100.201 (decimal). Substitute your values for these addresses when you enter the commands.

From the command line, type the IP address of the Internal Print Server and its MAC address:
Example: arp -s 192.168.100.201 00-00-48-93-00-00

You can now check the new IP address, by "pinging" it:
Example: ping 192.168.100.201

The Internal Print Server should now respond to the ping. If it does not, you may have entered the MAC address or the IP address in the ARP -s command incorrectly. Double-check and try again. If you are still unsuccessful, re-initialize the Internal Print Server and try again.

You can check whether the IP address has been set correctly on a network status sheet.

Note:

You cannot print a status sheet before you set a new IP address.

You can only set the IP address using the arp and ping commands. To change the Subnet mask or Default Gateway of the Internal Print Server, make settings on the printer's control panel or use the EpsonNet WinAssist/MacAssist/WebAssist to change these parameters.

If the Internal Print Server or the computer is unreachable, you should check the following: the address is correct in the ping command, the Ethernet connection to the printer and to the host has been made correctly, and all hubs, routers, etc. are switched on.

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