User Guide

103
Network settings (EM card)
1. Confirm that the EM card is powered on.
2. Confirm that you have logged in to the EM card as Administrator or a user whose access right
is ADMINISTRATOR or OPERATOR from the CLI of the EM serial console or EM console.
If you have not, log in as "Administrator" or a user whose access right is ADMINISTRATOR
or OPERATOR.
3. Determine the network configuration.
Important
- Confirm in advance that IP addresses to be configured are available in your network. When IP
address or subnet mask settings are lost after the configuration, reconfigure them on the EM
serial console.
- IP addresses should have a subnet address that is available in your network. IP addresses of
EM cards, CPU blades ,and switch modules must have a common subnet mask. Configure IP
addresses with the same subnet in advance.
- Confirm that the IP addresses do not conflict with the IP addresses of other machines on your
network.
- Configure a unique IP address for each module installed on the blade enclosure. Even when
you operate the blade enclosure with some modules powered off, all the modules installed on
the blade enclosure must have unique IP addresses. Pay attention when you configure the IP
addresses of modules without using the DHCP function. If you are using modules for the first
time, all of them may have the same IP address configured. In this case, you must reconfigure
each one to have a unique IP address.
- When an IP address is configured, consecutive numbers are automatically allocated for the IP
addresses of EM cards and CPU blades/switch modules for management LAN. Ensure that
none of the IP addresses conflict. Not only the first IP address but also automatically-allocated
IP addresses must be within an appropriate range.
- A floating IP is an IP address that dynamically switches according to the status of the EM card
(active/standby). Regardless of where the EM card is physically stored, if the EM card is
active, a floating IP (active EM) is allocated, and if the EM card is stand-by, a floating IP
(stand-by EM) is allocated. When the status of the EM card switches to active/stand-by due to a
failure on the EM card or the FORCE TAKEOVER command, the floating IP is automatically
switched. By using a floating IP, you can use active EM (or stand-by EM) while where the EM
card is physically stored remains transparent. For detailed information on active EM card etc.,
refer to "EM card" on page 122.
- A static IP address (EM card slot 1/2) is an IP address that is determined depending on where
the EM card is physically stored (the left is EM card slot 1, the right is EM card slot 2). A static
IP address is not affected by whether the status of EM card is active or stand-by.