Hitachi Compute Blade 2000 User Manual page 1352

automatically created by
Value
XX.XX.XX F8:48:97
(vendor ID)
Fixed value for Hitachi, Ltd.
YY.YY Value as a result that
higher-order 16 bits of the offset
value is taken out, 0x0000 is
added to it, and endian
conversion is performed.
ZZ 8 lower-order bits of the offset
value
*1: The MAC address format above is not applied to LPARs that have performed
migration,
*2: The user cannot set a value that duplicates the MAC address automatically
generated by LPAR manager. Do not set a multicast address and broad cast
address.
Binary
0000 0000 0000
Internal format 0000 0000 0000
0000 0000 0000
0000 0000 1000
MAC address
notation
0 0 8
It is not recommended to change the MAC address. .If

the MAC addresses are changed, make sure that it is not
the same MAC address port on the network. If there is
more than one identical MAC address on a network, the
fatal failure may occur on the network.
With LPAR manager expansion mode, the virtual NIC

number expansion causes Mac addresses, which are
automatically generated by LPAR manager, to be also
expanded. MAC addresses assigned to the expansion
portion can be assigned manually with LPAR manager
standard mode. Thus, this may cause MAC addresses
to overlap when you change LPAR manager standard
mode to LPAR manager expansion mode, which you
should note.
When the version is downgraded to a version not

supporting virtual NIC system number expansion, the
virtual NIC system number is initialized to 0 if 129 or a
larger number is set. When the virtual NIC system
number is set to 1 to 128, the number is taken over as it
is.
*1
LPAR manager
00.00.00 to FF.FF.FF
00.00 to FF.FF
Except the range for
automatically created by LPAR
manager
00 to FF
0000
Base point (0x0000)
0001
Upper 16 bits of calculation
result =0x0001
0001
After adding virtual NIC
System Number
0000 Rearrange bits in endian conversion
0 Hexadecimal value
1301
*2
Specified by the user
Upper 16 YY.YY value
bits
0 00.00
1 00.80
2 00.40
3 00.C0
4 00.20
~ ~
7679 B8.FF
7680 78.00
~ ~
8187 F8.DF
8188 F8.3F
8189 F8.BF
8190 F8.7F
8191 F8.FF