When you use IPv6 addressing, use the IPv6 link-local address
to complete the initial connection to the CMM.
The link-local address is a unique
IPv6 address for the CMM that
is automatically generated according to its MAC address. It is of
the form FE80::3BA7:94FF:FE07:CBD0.
Determine
the link-local address of the CMM in
any of the following ways:
- Read the CMM link-local
address on the network access tag that is attached to the front of
the CMM (see CMM network
access tag for
information). Note that the network access tag might have been removed
from your CMM during
installation.
- If you are able to log in to the CMM command-line
interface (CLI) using IPv4 addressing, view the link-local address
by using the
ifconfig command (see Lenovo Flex System
Chassis Management Module ifconfig
command
- If you are able to log in to the CMM web
interface using IPv4 addressing, view the link-local address on the
IPv6 page on the Ethernet page on the Network Protocol Properties
page (select Network from the Mgt Module Management menu).
All fields and options are fully described in the CMM web
interface online help.
If the CMM does
not have a network access tag and you are unable to access the CMM by
using IPv4, complete the following steps to calculate link-local address:
Complete the following steps:
- Write down the MAC address of the CMM.
It is on a label on the CMM,
near the reset button. The label reads MMxxxxxxxxxxxx, where xxxxxxxxxxxx is
the MAC address. For example:
- Split the MAC address into two parts
and insert FF-FE in the middle.
For example:
39-A7-94-FF-FE-07-CB-D0
- Convert the two hexadecimal digits at the left end of the
string to binary.
For example:
39-A7-94-FF-FE-07-CB-D000111001-A7-94-FF-FE-07-CB-D0
- Invert the value of bit 7 of the binary string.
For example:
00111001-A7-94-FF-FE-07-CB-D000111011-A7-94-FF-FE-07-CB-D0
- Convert the binary digits at the left end of the string
back to hexadecimal.
For example:
00111011-A7-94-FF-FE-07-CB-D03B-A7-94-FF-FE-07-CB-D0
- Combine the hexadecimal digit pairs into 4-digit groups.
For example:
3B-A7-94-FF-FE-07-CB-D03BA7-94FF-FE07-CBD0
- Replace dash (-) separators with colon (:) separators.
For example:
3BA7-94FF-FE07-CBD03BA7:94FF:FE07:CBD0
- Add FE80:: to the left of the string.
For example:
FE80::3BA7:94FF:FE07:CBD0
For a MAC address of 39-A7-94-07-CB-D0, the
link-local address that is used for initial IPv6 access is FE80::3BA7:94FF:FE07:CBD0.