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Setup CIMC Configuration Utility

The following procedure is performed after you connect to the system and open the Cisco IMC Configuration

Utility.

Step 1

Set NIC mode and NIC redundancy:

a) Set the NIC mode to choose which ports to use to access Cisco IMC for server management:

• Shared LOM EXT (default)—This is the shared LOM extended mode, the factory-default setting. With this

mode, the Shared LOM and Cisco Card interfaces are both enabled.

In this mode, DHCP replies are returned to both the shared LOM ports and the Cisco card ports. If the system

determines that the Cisco card connection is not getting its IP address from a Cisco UCS Manager system

because the server is in standalone mode, further DHCP requests from the Cisco card are disabled. Use the

Cisco Card NIC mode if you want to connect to Cisco IMC through a Cisco card in standalone mode.

• Shared LOM—The 1-Gb Ethernet ports are used to access Cisco IMC. You must select a NIC redundancy

and IP setting.

• Dedicated—The dedicated management port is used to access Cisco IMC. You must select a NIC redundancy

and IP setting.

• Cisco Card—The ports on an installed Cisco UCS virtual interface card (VIC) are used to access the Cisco

IMC. You must select a NIC redundancy and IP setting.

See also the required VIC Slot setting below.

• VIC Slot—If you use the Cisco Card NIC mode, you must select this setting to match where your VIC is

installed. The choices are Riser1, Riser2, or Flex-LOM (the mLOM slot).

• If you select Riser1, slot 1 is used.

• If you select Riser2, slot 2 is used.

• If you select Flex-LOM, you must use an mLOM-style VIC in the mLOM slot.

b) Use this utility to change the NIC redundancy to your preference. This server has three possible NIC redundancy

settings:

• None—The Ethernet ports operate independently and do not fail over if there is a problem. This setting can

be used only with the Dedicated NIC mode.

• Active-standby—If an active Ethernet port fails, traffic fails over to a standby port.

• Active-active—All Ethernet ports are utilized simultaneously. The Shared LOM EXT mode can have only

this NIC redundancy setting. Shared LOM and Cisco Card modes can have both Active-standby and

Active-active settings.

Step 2

Choose whether to enable DHCP for dynamic network settings, or to enter static network settings.

Note

Before you enable DHCP, you must preconfigure your DHCP server with the range of MAC addresses for

this server. The MAC address is printed on a label on the rear of the server. This server has a range of six

MAC addresses assigned to Cisco IMC. The MAC address printed on the label is the beginning of the range

of six contiguous MAC addresses.

Cisco Secure Network Server 3500 Series Appliance Hardware Installation Guide

Install the Cisco SNS 3515 and Cisco SNS 3595 Hardware Appliances