HP Integrity rx2800 HP Integrity iLO 3 Operations Guide - Page 20

Determining the iLO 3 MP LAN configuration method, Configuring the iLO 3 MP LAN using DHCP and DNS

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Table 2 physical connection matrix (continued) Connection Method Required Connection Components The iLO 3 has a separate LAN port from the system LAN port. It requires a separate LAN drop, IP address, and networking information from that of the operating system LAN port. Use Table 2 to determine your physical connection method. Determining the iLO 3 MP LAN configuration method To access iLO 3 through the MP LAN, iLO 3 must acquire an IP address. The way iLO 3 acquires an IP address is dependent upon whether DHCP is enabled or disabled on the server, and if DHCP and DNS services are available to the server (see Table 3). Once you have determined the iLO 3 access method, you must determine how you will configure the MP LAN in order to acquire an IP address using the following methods: • DHCP/DNS through the management LAN (dynamically assigns an IP address): use the DNS name on the iLO Network Information Tag located on the front panel. • Setting up a static IP address using a laptop with DHCP services and the management LAN. • Local RS-232 serial port and a serial console (assigns a static IP address). Table 3 provides all the possible IP address acquisition scenarios. Use this table to help you select the appropriate LAN configuration method to obtain an IP address. Table 3 LAN configuration methods DHCP Yes Yes No Yes No Yes DNS RS-232 Serial Port (iLO 3 MP LC command) LAN Configuration Method Yes No DHCP Yes Yes DHCP or RS-232 serial port Yes Yes RS-232 serial port No Yes RS-232 serial port No Yes RS-232 serial port No No Cannot set up the LAN; reconsider your criteria Configuring the iLO 3 MP LAN using DHCP and DNS DHCP automatically configures all DHCP-enabled servers with IP addresses, subnet masks, and gateway addresses. All HP Integrity entry class servers with iLO 3 are shipped from the factory with DHCP enabled. HP recommends using the DHCP and DNS method to simplify access to iLO 3. When you use DHCP and DNS, you can connect to iLO 3 by entering the DNS name in your browser rather than an IP address only if the following applies: • DHCP must be enabled (DHCP is enabled by default). • You are using a DHCP server that provides the domain name. • The primary DNS server accepts dynamic DNS (DDNS) updates. • The primary DNS server IP address was configured through the DHCP server. IMPORTANT: You must know the DNS domain name, which is served out by the DHCP server, unless its domain is local or the same domain. To configure iLO 3 using DHCP and DNS: 20 Getting connected to iLO 3

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Table 2 physical connection matrix
(continued)
Required Connection Components
Connection Method
The iLO 3 has a separate LAN port from the system LAN port. It requires a separate LAN drop,
IP address, and networking information from that of the operating system LAN port. Use
Table 2
to determine your physical connection method.
Determining the iLO 3 MP LAN configuration method
To access iLO 3 through the MP LAN, iLO 3 must acquire an IP address. The way iLO 3 acquires
an IP address is dependent upon whether DHCP is enabled or disabled on the server, and if DHCP
and DNS services are available to the server (see
Table 3
).
Once you have determined the iLO 3 access method, you must determine how you will configure
the MP LAN in order to acquire an IP address using the following methods:
•
DHCP/DNS through the management LAN (dynamically assigns an IP address): use the DNS
name on the iLO Network Information Tag located on the front panel.
•
Setting up a static IP address using a laptop with DHCP services and the management LAN.
•
Local RS-232 serial port and a serial console (assigns a static IP address).
Table 3
provides all the possible IP address acquisition scenarios. Use this table to help you select
the appropriate LAN configuration method to obtain an IP address.
Table 3 LAN configuration methods
LAN Configuration Method
RS-232 Serial Port (iLO 3 MP
LC command)
DNS
DHCP
DHCP
No
Yes
Yes
DHCP or RS-232 serial port
Yes
Yes
Yes
RS-232 serial port
Yes
Yes
No
RS-232 serial port
Yes
No
Yes
RS-232 serial port
Yes
No
No
Cannot set up the LAN; reconsider your criteria
No
No
Yes
Configuring the iLO 3 MP LAN using DHCP and DNS
DHCP automatically configures all DHCP-enabled servers with IP addresses, subnet masks, and
gateway addresses. All HP Integrity entry class servers with iLO 3 are shipped from the factory
with DHCP enabled.
HP recommends using the DHCP and DNS method to simplify access to iLO 3.
When you use DHCP and DNS, you can connect to iLO 3 by entering the DNS name in your
browser rather than an IP address
only
if the following applies:
•
DHCP must be enabled (DHCP is enabled by default).
•
You are using a DHCP server that provides the domain name.
•
The primary DNS server accepts dynamic DNS (DDNS) updates.
•
The primary DNS server IP address was configured through the DHCP server.
IMPORTANT:
You must know the DNS domain name, which is served out by the DHCP server,
unless its domain is local or the same domain.
To configure iLO 3 using DHCP and DNS:
20
Getting connected to iLO 3