Cisco UCS Manager provides three connectivity modes for Cisco UCS
C-Series Rack-Mount
Server management. The following are the connectivity modes:
-
Dual-wire Management (Shared LOM): Shared LAN on Motherboard (LOM) ports on the rack server are used exclusively for carrying management traffic. A separate
cable connected to one of the ports on the PCIe card carries the data traffic. Using two separate cables for managing data
traffic and management traffic is also referred to as dual-wire management.
-
SingleConnect (Sideband): Using Network Controller Sideband Interface (NC-SI), the Cisco VIC card connects one cable that can carry both data traffic
and management traffic. This feature is referred to as SingleConnect.
-
Direct Connect Mode: Cisco UCS Manager An additional rack server management mode using direct connection (Sideband) to the Fabric Interconnect.
Note |
The LOM ports on Cisco UCS
C-Series Rack-Mount
Servers integrated with Cisco UCS Manager can not be used for data traffic. The LOM ports are disabled when the C-Series Rack-Mount
Servers are in Cisco UCS Manager mode.
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The general prerequisites for Dual-wire integration with Cisco UCS Manager are built into the C-Series Rack-Mount
Server
CIMC release 1.4(6) or later. If you want to use the SingleConnect or direct connect modes you must have the following:
-
Server CIMC release 1.4(6) or later
-
Cisco UCS VIC 1225 Virtual Interface Card
-
Cisco UCS VIC 1227 (MLOM)
-
Cisco UCS VIC 1225T Virtual Interface Card
-
Cisco UCS VIC 1227T (MLOM)
-
Cisco UCS VIC 1387 (MLOM)
-
Cisco UCS VIC 1385
Important |
For the third generation Cisco UCS VIC adapter or later (VIC 13xx), we recommend that you reset CIMC to factory default before
connecting the Cisco VIC adapter to the UCS Fabric Interconnect switch.
|
Note |
The Cisco UCS VIC 1225T and 1227T adapters are supported only with Cisco Nexus 2232TM-E 10GE Fabric Extender using RJ45 Network
cable.
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The following table lists theC-Series Rack-Mount
Servers and supported management options:
Note |
Dual-Wire Management is supported only with Cisco VIC adapters and not with third-party adapters.
|
Table 1. Supported Management Options
Servers
|
SingleConnect
|
Direct Connect Mode
|
Dual-wire Management
|
Cisco UCS C22 M3
Server
|
Yes
|
Yes
|
Yes
|
Cisco UCS C24 M3
Server
|
Yes
|
Yes
|
Yes
|
Cisco UCS C220 M3
Server
|
Yes
|
Yes
|
Yes
|
Cisco UCS C240 M3
Server
|
Yes
|
Yes
|
Yes
|
Cisco
UCS C420 M3 Server
|
Yes
|
Yes
|
Yes
|
Cisco UCS C220 M4 Server
|
Yes
|
Yes
|
Yes
|
Cisco UCS C240 M4 Server
|
Yes
|
Yes
|
Yes
|
Cisco UCS C460 M4 Server
|
Yes
|
Yes
|
Yes
|
Cisco UCS C220 M5 Server
|
Yes
|
Yes
|
Yes
|
Cisco UCS C240 M5 Server
|
Yes
|
Yes
|
Yes
|
Cisco UCS C480 M5 Server
|
Yes
|
Yes
|
Yes
|
Note |
If you have a Cisco UCS Manager release earlier than 2.2(2a), integration is not supported for Cisco UCS C22 and C24 servers that have Intel E5-2400 v2 CPUs at this time. This integration is supported only with Intel E5-2400 v1 CPUs.
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Based on your server model and CIMC version, you can use either one of these three integration options to connect the rack server with Cisco UCS Manager.
Cisco UCS Manager runs within the fabric interconnect (FI). With earlier Cisco UCS Manager releases, you need to use Fabric Extenders to connect the c-series server with the Fabric Interconnect to enable management
with Cisco UCS Manager. You can directly connect the server adapter with the Fabric Interconnect without using the Fabric Extender.
You can use any of the interfaces available with this management service to access, configure, administer, and monitor the
network and server resources for all chassis connected to the fabric interconnect. For information about the Cisco UCS 6200
series or Cisco UCS 6300 series fabric interconnects, see the documentation at the following link:
For information about the Cisco Nexus 2232, Cisco Nexus 2232TM-E or Cisco Nexus 2348UPQ fabric extenders (FEXes) in the configuration,
see the documentation at the following link:
Hardware Maintenance
Replacing servers and certain adapter cards requires that the server be decommissioned and recommissioned. See the decommissioning
a Rack-Mount server and recommissioning a Rack-Mount Server sections in the appropriate Cisco UCS Manager Configuration Guide.