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Installing the System
Console Setup
Chapter 3
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ARP Ping operational issues include the following:
• You can use ARP Ping regardless of the status of DHCP, unless an IP address has ever been acquired
using DHCP.
• When ARP Ping is successful, DHCP status is disabled.
• Some DHCP server options can cause the apparent issuance of ARP Ping to the iLO MP which will negate
the DHCP/DDNS method.
• The PC and the server must be on the same physical subnet.
• When a new server is first booted, DHCP is automatically available (factory-set default); but ARP Ping
does not start until three minutes after the iLO MP is booted. This applies to every subsequent boot of the
iLO MP until an IP address is obtained by DHCP or has been assigned using the LC command, or ARP
Ping succeeds.
There are two ways to use the ARP Ping utility:
• Connect a PC to the network that is on the same physical subnet as the server and run the ARP Ping
commands from the PC.
• Locate an existing server on the network, log into it, and run the ARP Ping commands from the server.
Table 3-16 lists the ARP Ping commands.
The following procedure explains how to use the ARP Ping utility using a PC that is connected to the network
that is on the same physical subnet as the server.
To configure a static IP address using the ARP Ping utility, follow these steps:
Step 1. Obtain the iLO MP MAC address. To set the IP address using ARP, you must know the MAC
address of the iLO MP LAN. You can find the MAC address of the iLO MP LAN on a label on the
server.
IMPORTANT Make sure you obtain the MAC address to the iLO MP LAN and not the MAC
address to the server core LAN.
Step 2. Verify that an active LAN cable on the local subnet is connected to the iLO MP LAN port on the
server.
Step 3. Access a PC on the same physical subnet as the server.
Step 4. Open a DOS window on the PC.
Step 5. At the DOS prompt, enter arp -s to assign the IP address to the DNS name.
arp -s <IP address you assign to the iLO MAC address> <iLO MAC address>
Table 3-16 ARP Ping Commands
Command Description
arp -s This command assigns an IP address to the iLO MP MAC address. This ARP table
entry maps the MAC address of the iLO MP LAN interface to the static IP address
designated for that interface.
ping This command tests network connections. It verifies that the iLO MP LAN port is
configured with the appropriate IP address.