This section describes an example configuration procedure of the network shown in the diagram below.
[HOST-A]
1) Setting up the system
1-1) Define IP addresses and hostnames in the /etc/hosts file.
192.168.10.1 hosta1 # HOST-A Virtual IP 192.168.20.1 hosta2 # HOST-A Virtual IP 192.168.30.10 hosta3 # HOST-A Physical IP (Tagged VLAN interface) 192.168.40.10 hosta4 # HOST-A Physical IP (Tagged VLAN interface) 192.168.50.10 hosta5 # HOST-A Physical IP (Tagged VLAN interface) 192.168.60.10 hosta6 # HOST-A Physical IP (Tagged VLAN interface) 192.168.10.2 hostb1 # HOST-B Virtual IP 192.168.30.20 hostb3 # HOST-B Physical IP 192.168.40.20 hostb4 # HOST-B Physical IP 192.168.20.2 hostc2 # HOST-C Virtual IP 192.168.50.20 hostc5 # HOST-C Physical IP 192.168.60.20 hostc6 # HOST-C Physical IP |
For RHEL8
1-2) Configure the /etc/sysconfig/network-scripts/ifcfg-ethX (X is 0,1) file as follows.
Contents of /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0 BOOTPROTO=none ONBOOT=yes TYPE=Ethernet |
Contents of /etc/sysconfig/network-scripts/ifcfg-eth1
DEVICE=eth1 BOOTPROTO=none ONBOOT=yes TYPE=Ethernet |
1-3) Configure the /etc/sysconfig/network-scripts/ifcfg-ethX.Y (X is 0,1. Y is 3,4,5,6) file as follows.
Contents of /etc/sysconfig/network-scripts/ifcfg-eth0.3
DEVICE=eth0.3 BOOTPROTO=none IPADDR=192.168.30.10 PREFIX=24 ONBOOT=yes VLAN=yes |
Contents of /etc/sysconfig/network-scripts/ifcfg-eth1.4
DEVICE=eth1.4 BOOTPROTO=none IPADDR=192.168.40.10 PREFIX=24 ONBOOT=yes VLAN=yes |
Contents of /etc/sysconfig/network-scripts/ifcfg-eth0.5
DEVICE=eth0.5 BOOTPROTO=none IPADDR=192.168.50.10 PREFIX=24 ONBOOT=yes VLAN=yes |
Contents of /etc/sysconfig/network-scripts/ifcfg-eth1.6
DEVICE=eth1.6 BOOTPROTO=none IPADDR=192.168.60.10 PREFIX=24 ONBOOT=yes VLAN=yes |
For RHEL9
1-2) Set the IP address defined above with the "nmcli connection modify" command.
Configuration of eth0
Set the following parameters with the "nmcli connection modify" command.
ipv4.method: "disabled" ipv4.addresses: "" connection.autoconnect: "yes" |
Configuration of eth1
Set the following parameters with the "nmcli connection modify" command.
ipv4.method: "disabled" ipv4.addresses: "" connection.autoconnect: "yes" |
After setting, verify that the following parameters are set for ethX with the nmcli connection show command.
connection.type: "802-3-ethernet" connection.id: "ethX" connection.interface-name: "ethX" |
1-3) Create a VLAN interface and set the following parameters for ethX.Y with the "nmcli connection add" command. (X is 0, 1. Y is 3, 4, 5, 6.)
Create eth0.3
# /usr/bin/nmcli connection add type vlan con-name eth0.3 ifname eth0.3 vlan.parent eth0 vlan.id 3 |
Create eth1.4
# /usr/bin/nmcli connection add type vlan con-name eth1.4 ifname eth1.4 vlan.parent eth1 vlan.id 4 |
Create eth0.5
# /usr/bin/nmcli connection add type vlan con-name eth0.5 ifname eth0.5 vlan.parent eth0 vlan.id 5 |
Create eth1.6
# /usr/bin/nmcli connection add type vlan con-name eth1.6 ifname eth1.6 vlan.parent eth1 vlan.id 6 |
Configuration of eth0.3
Set the following parameters with the "nmcli connection modify" command.
ipv4.method: "manual" ipv4.addresses: "192.168.30.10/24" connection.autoconnect: "yes" |
Configuration of eth1.4
Set the following parameters with the "nmcli connection modify" command.
ipv4.method: "manual" ipv4.addresses: "192.168.40.10/24" connection.autoconnect: "yes" |
Configuration of eth0.5
Set the following parameters with the "nmcli connection modify" command.
ipv4.method: "manual" ipv4.addresses: "192.168.50.10/24" connection.autoconnect: "yes" |
Configuration of eth1.6
Set the following parameters with the "nmcli connection modify" command.
ipv4.method: "manual" ipv4.addresses: "192.168.60.10/24" connection.autoconnect: "yes" |
2) Reflecting system setting
Run the following command and reload the connection profile. After reloading the profile, verify eth0 and eth1 are enabled using the ip command.
/usr/bin/nmcli connection reload /usr/bin/nmcli connection up eth0 /usr/bin/nmcli connection up eth1
3) Setting subnet masks
/opt/FJSVhanet/usr/sbin/hanetmask create -i 192.168.10.0 -m 255.255.255.0 /opt/FJSVhanet/usr/sbin/hanetmask create -i 192.168.20.0 -m 255.255.255.0
4) Creating virtual interfaces
/opt/FJSVhanet/usr/sbin/hanetconfig create -n sha0 -m t -i 192.168.10.1 -t eth0.3,eth1.4 /opt/FJSVhanet/usr/sbin/hanetconfig create -n sha1 -m t -i 192.168.20.1 -t eth0.5,eth1.6
5) Reboot
Run the following command to reboot the system.
/sbin/shutdown -r now
[HOST-B]
1) Setting up the system
1-1) Define IP addresses and hostnames in the /etc/hosts file. Defined content is same as HOST-A.
For RHEL8
1-2) Configure the /etc/sysconfig/network-scripts/ifcfg-ethX (X is 0,1) file as follows.
Contents of /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0 BOOTPROTO=none IPADDR=192.168.30.20 PREFIX=24 ONBOOT=yes TYPE=Ethernet |
Contents of /etc/sysconfig/network-scripts/ifcfg-eth1
DEVICE=eth1 BOOTPROTO=none IPADDR=192.168.40.20 PREFIX=24 ONBOOT=yes TYPE=Ethernet |
For RHEL9
1-2) Set the IP address defined above with the "nmcli connection modify" command.
Configuration of eth0
Set the following parameters with the "nmcli connection modify" command.
ipv4.method: "manual" ipv4.addresses: "192.168.30.20/24" connection.autoconnect: "yes" |
Configuration of eth1
Set the following parameters with the "nmcli connection modify" command.
ipv4.method: "manual" ipv4.addresses: "192.168.40.20/24" connection.autoconnect: "yes" |
After setting, verify that the following parameters are set for ethX with the nmcli connection show command.
connection.type: "802-3-ethernet" connection.id: "ethX" connection.interface-name: "ethX" |
2) Reflecting system setting
Run the following command and reload the connection profile. After reloading the profile, verify eth0 and eth1 are enabled using the ip command.
/usr/bin/nmcli connection reload /usr/bin/nmcli connection up eth0 /usr/bin/nmcli connection up eth1
3) Setting a subnet mask
/opt/FJSVhanet/usr/sbin/hanetmask create -i 192.168.10.0 -m 255.255.255.0
4) Creating a virtual interface
/opt/FJSVhanet/usr/sbin/hanetconfig create -n sha0 -m t -i 192.168.10.2 -t eth0,eth1
5) Reboot
Run the following command to reboot the system.
/sbin/shutdown -r now
[HOST-C]
1) Setting up the system
1-1) Define IP addresses and hostnames in the /etc/hosts file. Defined content is same as HOST-A.
For RHEL8
1-2) Configure the /etc/sysconfig/network-scripts/ifcfg-ethX (X is 0,1) file as follows.
Contents of /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0 BOOTPROTO=none HOTPLUG=no IPADDR=192.168.50.20 PREFIX=24 ONBOOT=yes TYPE=Ethernet |
Contents of /etc/sysconfig/network-scripts/ifcfg-eth1
DEVICE=eth1 BOOTPROTO=none HOTPLUG=no IPADDR=192.168.60.20 PREFIX=24 ONBOOT=yes TYPE=Ethernet |
For RHEL9
1-2) Set the IP address defined above with the "nmcli connection modify" command.
Configuration of eth0
Set the following parameters with the "nmcli connection modify" command.
ipv4.method: "manual" ipv4.addresses: "192.168.50.20/24" connection.autoconnect: "yes" |
Configuration of eth1
Set the following parameters with the "nmcli connection modify" command.
ipv4.method: "manual" ipv4.addresses: "192.168.60.20/24" connection.autoconnect: "yes" |
After setting, verify that the following parameters are set for ethX with the nmcli connection show command.
connection.type: "802-3-ethernet" connection.id: "ethX" connection.interface-name: "ethX" |
2) Reflecting system setting
Run the following command and reload the connection profile. After reloading the profile, verify eth0 and eth1 are enabled using the ip command.
/usr/bin/nmcli connection reload /usr/bin/nmcli connection up eth0 /usr/bin/nmcli connection up eth1
3) Setting a subnet mask
/opt/FJSVhanet/usr/sbin/hanetmask create -i 192.168.20.0 -m 255.255.255.0
4) Creating a virtual interface
/opt/FJSVhanet/usr/sbin/hanetconfig create -n sha0 -m t -i 192.168.20.2 -t eth0,eth1
5) Reboot
Run the following command to reboot the system.
/sbin/shutdown -r now
