Lenovo ThinkSystem NE2552E, Application Manual

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NE2552E Application Guide for ENOS 8.4
Establishing a Connection
The factory default settings permit initial switch administration through the
built ‐ in serial port.
Remote access using the network requires the accessing terminal to have a valid,
routable connection to the switch interface. The client IP address may be
configured manually, or an IPv4 address can be provided automatically through
the switch using a service such as DHCP (see “BOOTP/DHCP Client IP Address
Services” on page 39 ), or an IPv6 address can be obtained using IPv6 stateless
address configuration.
Using the Chassis Management Module
The NE2552E is an integral subsystem within the overall Lenovo Flex System. The
Flex System chassis includes a chassis management module (CMM) as the central
element for overall chassis management and control.
The NE2552E uses MGT1to communicate with the chassis management module(s).
Even when the NE2552E is in a factory default configuration, you can use the 1Gb
Ethernet port on each CMM to configure and manage the NE2552E.
For more information about using the chassis management module, see the Lenovo
ThinkSystem NE2552E Flex Switch Installation Guide .
Factory-Default vs. CMM-Assigned IP Addresses
Each NE2552E must be assigned its own Internet Protocol version 4 (IPv4) address,
which is used for communication with an SNMP network manager or other
transmission control protocol/Internet Protocol (TCP/IP) applications (for example,
BOOTP or TFTP). The factory ‐ default IPv4 address is 10.90.90. x , where x is based
on the number of the bay into which the NE2552E is installed. For additional
information, see the Installation Guide . The chassis management module assigns an
IPv4 address of 192.168.70.1 xx , where xx is also based on the number of the bay
into which each NE2552E is installed, as shown in the following table:
Note:
NE2552Es installed in Bay 1 and Bay 2 connect to server NICs 1 and 2,
respectively.
Table 2.
NE2552E IPv4 addresses, by switch ‐ module bay numbers
Bay Number Factory-Default IPv4 Address IPv4 Address Assigned by CMM
Bay 1 10.90.90.91 192.168.70.120
Bay 2 10.90.90.92 192.168.70.121
Bay 3 10.90.90.93 192.168.70.122
Bay 4 10.90.90.94 192.168.70.123