Configuring the HMC network types

Configure your HMC so that it can communicate to the managed system, logical partitions, remote users, and service and support.

Parent topic: Configuring the HMC by using the HMC menus

Configuring HMC settings to use an open network to connect to the managed system

Configure the HMC so that it can connect to and manage a managed system using an open network.

To configure the HMC network settings so that it can connect to the managed system using an open network, do the following:

Table 1. Configuring HMC settings to use an open network to connect to the managed system
Task Where to find related information
1. Decide which interface you want to use for your managed system. eth0 is preferred. Preinstallation configuration worksheet for the HMC
2. Identify the Ethernet ports for your HMC. Identifying the Ethernet port defined as eth0
3. Configure the Ethernet adapter by performing the following tasks:  
a. Set the media speed. Setting the media speed
b. Select the open network type. Selecting a private or open network
c. Set static addresses. Setting the IPv4 address
d. Set the firewall. Changing HMC firewall settings
e. Configure the default gateway. Configuring a routing entry as the default gateway
f. Configure DNS. Configuring domain name services
4. Configure additional adapters, if you have them.  
5. Test the connection between the managed server and the HMC. Testing the connection between the HMC and the managed system

Configuring HMC settings to use a private network to connect to the managed system

Configure the HMC so that it can connect to and manage a managed system using a private network.

To configure the HMC network settings so that it can connect to the managed system using a private network, do the following:

Table 2. Configuring HMC settings to use a private network to connect to the managed system
Task Where to find related information
1. Decide which interface you want to use for your managed system. Preinstallation configuration worksheet for the HMC
2. Identify the Ethernet ports for your HMC. Identifying the Ethernet port defined as eth0
3. Configure the HMC as a DHCP server. Configuring the HMC as a DHCP server
4. Test the connection between the managed server and the HMC. Testing the connection between the HMC and the managed system

Configuring HMC settings to use an open network to connect to logical partitions

To configure the HMC network settings so that it can connect to logical partitions using an open network, do the following:

Table 3. Configuring HMC settings to use an open network to connect to logical partitions
Task Where to find related information
1. Decide which interface you want to use for your managed system. Preinstallation configuration worksheet for the HMC
2. Identify the Ethernet ports for your HMC. Identifying the Ethernet port defined as eth0
3. Configure the Ethernet adapter by performing the following tasks:  
a. Set the media speed. Setting the media speed
b. Select the open network type. Selecting a private or open network
c. Set static addresses. Setting the IPv4 address
d. Set the firewall. Changing HMC firewall settings
e. Configure the default gateway. Configuring a routing entry as the default gateway
f. Configure DNS. Configuring domain name services
4. Configure additional adapters, if you have them.  
5. Test the connection between the managed server and the HMC. Testing the connection between the HMC and the managed system

Configuring HMC settings to use an open network to connect to remote users

To configure the HMC network settings so that it can connect to remote users using an open network, do the following:

Table 4. Configuring HMC settings to use an open network to connect to remote users
Task Where to find related information
1. Decide which interface you want to use for your managed system. Preinstallation configuration worksheet for the HMC
2. Identify the Ethernet ports for your HMC. Identifying the Ethernet port defined as eth0
3. Configure the Ethernet adapter by performing the following tasks:  
a. Set the media speed. Setting the media speed
b. Select the open network type. Selecting a private or open network
c. Set static addresses. Setting the IPv4 address
d. Set the firewall. Changing HMC firewall settings
e. Configure the default gateway. Configuring a routing entry as the default gateway
f. Configure DNS. Configuring domain name services
g. Configure suffixes. Configuring domain suffixes
4. Configure additional adapters, if you have them.  

Configuring HMC call-home server settings

To configure the HMC call-home server settings so that problems can be reported, do the following:

Table 5. Configuring HMC call-home server settings
Task Where to find related information
1. Be sure you have all the required customer information Preinstallation configuration worksheet for the HMC
2. Configure this HMC to report errors or choose an existing call-home server to report errors Configuring the local console to report errors to service and support

Choosing existing call-home servers to connect to service and support for this HMC
3. Verify that your call-home configuration is working Verifying that your connection to service and support is working
4. Authorize users to view collected system data Authorizing users to view collected system data
5. Schedule transmission of system data Transmit service information


Last updated: Mon, April 13, 2020