- Preface
- Overview
- Installing the Server Operating System or Hypervisor
- Managing the Server
- Managing Storage Using RAID
- Viewing Server Properties
- Viewing Server Sensors
- Managing Remote Presence
- Managing User Accounts
- Configuring Network-Related Settings
- Configuring Communication Services
- Managing Certificates
- Configuring Platform Event Filters
- Firmware Management
- Viewing Faults and Logs
- Server Utilities
- Diagnostic Tests
- Index
GUI Configuration Guide for Cisco UCS E-Series Servers and the Cisco UCS E-Series Network Compute Engine Integrated Management Controller, Release 3.1.1
- Updated:
- January 31, 2018
Chapter: Configuring Network-Related Settings
Configuring Network-Related Settings
This chapter includes the following sections:
- CIMC NIC Configuration
- Configuring Common Properties
- Configuring IPv4
- Connecting to a VLAN
- Network Security Configuration
- Enabling the Network Analysis Capability
- NTP Settings Configuration
CIMC NIC Configuration
CIMC NICs
Two NIC modes are available for connection to the CIMC.
NIC Mode
The NIC Mode drop-down list in the NIC Properties area determines which ports can reach the CIMC. The following mode options are available, depending on your platform:
-
Dedicated—A connection to the CIMC is available through the management Ethernet port or ports.
-
Shared LOM—A connection to the CIMC is available through the LAN On Motherboard (LOM) Ethernet host ports and through the router's PCIe and MGF interfaces. 
Note
In shared LOM mode, all host ports must belong to the same subnet.
Note | Dedicated mode is not applicable to the EHWIC E-Series NCE. |
NIC Redundancy
The NIC Redundancy drop-down list in the NIC Properties area determines how NIC redundancy is handled:
The available redundancy modes vary depending on the selected network mode and your platform.
Configuring CIMC NICs
Use this procedure to set the NIC mode and NIC redundancy.
You must log in as a user with admin privileges to configure the NIC.
Configuring Common Properties
Use common properties to describe your server.
You must log in as a user with admin privileges to configure common properties.
Configuring IPv4
You must log in as a user with admin privileges to configure IPv4.
| Step 1 | In the Navigation pane, click the Admin tab. | ||||||||||||||||||
| Step 2 | On the Admin tab, click Network. | ||||||||||||||||||
| Step 3 | In the Network pane, click the Network Settings tab. | ||||||||||||||||||
| Step 4 | In the IPv4 Properties area, update the following properties:
| ||||||||||||||||||
| Step 5 | Click Save Changes. |
Connecting to a VLAN
You must be logged in as admin to connect to a VLAN.
| Step 1 | In the Navigation pane, click the Admin tab. | ||||||||
| Step 2 | On the Admin tab, click Network. | ||||||||
| Step 3 | In the Network pane, click the Network Settings tab. | ||||||||
| Step 4 | In the VLAN Properties area, update the following properties:
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| Step 5 | Click Save Changes. |
Network Security Configuration
Network Security
The CIMC uses IP blocking as network security. IP blocking prevents the connection between a server or website and certain IP addresses or ranges of addresses. IP blocking effectively bans undesired connections from those computers to a website, mail server, or other Internet servers.
IP banning is commonly used to protect against denial of service (DoS) attacks. The CIMC bans IP addresses by setting up an IP blocking fail count.
Configuring Network Security
Configure network security if you want to set up an IP blocking fail count.
You must log in as a user with admin privileges to configure network security.
| Step 1 | In the Navigation pane, click the Admin tab. | ||||||||||
| Step 2 | On the Admin tab, click Network. | ||||||||||
| Step 3 | In the Network pane, click the Network Security tab. | ||||||||||
| Step 4 | In the IP Blocking Properties area, update the following properties:
| ||||||||||
| Step 5 | Click Save Changes. |
Enabling the Network Analysis Capability
You must log in with user or admin privileges to perform this task.
| Step 1 | In the Navigation pane, click the Admin tab. |
| Step 2 | On the Admin tab, click Network. |
| Step 3 | In the Network pane, click the Network Analysis tab. |
| Step 4 | In the Network Analysis Capability area, check the Enabled check box. The router is notified to turn on the Network Analysis Module (NAM) capability. |
| Step 5 | Click Save Changes. |
NTP Settings Configuration
NTP Settings
By default, when CIMC is reset, it synchronizes the time with the host. With the introduction of the Network Time Protocol (NTP) service, you can configure CIMC to synchronize the time with an NTP server. The NTP server does not run in CIMC by default. You must enable and configure the NTP service by specifying the IP or DNS address of at least one server or a maximum of four servers that function as NTP servers or time source servers. When you enable the NTP service, CIMC synchronizes the time with the configured NTP server. The NTP service can be modified only through CIMC.
Note | To enable the NTP service, it is preferable to specify the IP address of a server rather than the DNS address. |
Configuring NTP Settings
Configuring NTP disables the IPMI Set SEL time command.
You must log in with user or admin privileges to perform this task.
| Step 1 | In the Navigation pane, click the Admin tab. | ||||||||||||
| Step 2 | On the Admin tab, click Network. | ||||||||||||
| Step 3 | In the Network pane, click the NTP Settings tab. | ||||||||||||
| Step 4 | In the
NTP
Settings area, update the following properties:
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| Step 5 | Click Save Changes. |
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