PRIMECLUSTER Global Link Services Configuration and Administration Guide: Redundant Line Control Function 4.2 (for Linux)
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Appendix B Examples of configuring system environments> B.4 Example of configuring NIC switching mode (IPv4)

B.4.6 Configuring virtual interfaces with tagged VLAN (Physical IP takeover, Asynchronous switching)

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 /etc/hosts file.

192.168.70.1    hosta1    # HOST-A Virtual IP
192.168.80.1    hosta2    # HOST-A Virtual IP
192.168.70.2    hostb1    # HOST-B Virtual IP
192.168.80.2    hostb2    # HOST-B Virtual IP
192.168.70.100  swhub1    # Switch/HUB1 IP
192.168.80.100  swhub2    # Switch/HUB2 IP

1-2) Configure /etc/sysconfig/network-scripts/ifcfg-ethX (X is 0,1) file as follows.

In example (/etc/sysconfig/network-scripts/ifcfg-ethX) of setting the following, operating system is an example of RHEL4. Please refer to "3.2.2 Network configuration" for the setting examples other than RHEL4.

- Contents of /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0
BOOTPROTO=static
HWADDR=XX:XX:XX:XX:XX:XX
HOTPLUG=no
ONBOOT=yes
TYPE=Ethernet

- Contents of /etc/sysconfig/network-scripts/ifcfg-eth1

DEVICE=eth1
BOOTPROTO=static
HWADDR=XX:XX:XX:XX:XX:XX
HOTPLUG=no
ONBOOT=yes
TYPE=Ethernet

1-3) Configure /etc/sysconfig/network-scripts/ifcfg-ethX.Y (X is 0,1. Y is 1,2) file as follows.

- Contents of /etc/sysconfig/network-scripts/ifcfg-eth0.1

DEVICE=eth0.1
BOOTPROTO=static
BROADCAST=192.168.70.255
IPADDR=192.168.70.1
NETMASK=255.255.255.0
NETWORK=192.168.70.0
ONBOOT=yes

- Contents of /etc/sysconfig/network-scripts/ifcfg-eth0.2

DEVICE=eth0.2
BOOTPROTO=static
ONBOOT=yes

- Contents of /etc/sysconfig/network-scripts/ifcfg-eth1.1

DEVICE=eth1.1
BOOTPROTO=static
ONBOOT=yes

- Contents of /etc/sysconfig/network-scripts/ifcfg-eth1.2

DEVICE=eth1.2
BOOTPROTO=static
BROADCAST=192.168.80.255
IPADDR=192.168.80.1
NETMASK=255.255.255.0
NETWORK=192.168.80.0
ONBOOT=yes

1-4) When the system is RHEL, on the /etc/sysconfig/network file, define a statement which enables the network configuration.

NETWORKING=yes
VLAN=yes

2) Reboot

Run the following command and reboot the system. After rebooting the system, verify eth0.1 and eth1.2 is enabled using ifconfig command.

/sbin/shutdown -r now

3) Setting a subnet mask

/opt/FJSVhanet/usr/sbin/hanetmask create -i 192.168.70.0 -m 255.255.255.0
/opt/FJSVhanet/usr/sbin/hanetmask create -i 192.168.80.0 -m 255.255.255.0

4) Creating of virtual interface

/opt/FJSVhanet/usr/sbin/hanetconfig create -n sha0 -m e -i 192.168.70.1 -t eth0.1,eth1.1
/opt/FJSVhanet/usr/sbin/hanetconfig create -n sha1 -m e -i 192.168.80.1 -t eth1.2,eth0.2

Ensure that the physical IP address specified using option '-i' is the same IP address configured in /etc/sysconfig/network-scripts/ifcfg-ethX.Y.

5) Setting up the HUB monitoring function

/opt/FJSVhanet/usr/sbin/hanetpoll create -n sha0 -p 192.168.70.100 -b off
/opt/FJSVhanet/usr/sbin/hanetpoll create -n sha1 -p 192.168.80.100 -b off

6) Setting up the Standby patrol monitoring function

Please define only one Standby patrol monitoring function.

/opt/FJSVhanet/usr/sbin/hanetconfig create -n sha2 -m p -t sha0

7) Reboot

Run the following command and reboot the system.

/sbin/shutdown -r now

[HOST-B]

1) Setting up the system

1-1) Define IP addresses and hostnames in /etc/hosts file. Defined content is same as HOST-A.

1-2) Configure /etc/sysconfig/network-scripts/ifcfg-ethX (X is 0,1) file as follows.

In example (/etc/sysconfig/network-scripts/ifcfg-ethX) of setting the following, operating system is an example of RHEL4. Please refer to "3.2.2 Network configuration" for the setting examples other than RHEL4.

- Contents of /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0
BOOTPROTO=static
HWADDR=XX:XX:XX:XX:XX:XX
HOTPLUG=no
ONBOOT=yes
TYPE=Ethernet

- Contents of /etc/sysconfig/network-scripts/ifcfg-eth1

DEVICE=eth1
BOOTPROTO=static
HWADDR=XX:XX:XX:XX:XX:XX
HOTPLUG=no
ONBOOT=yes
TYPE=Ethernet

1-3) Configure /etc/sysconfig/network-scripts/ifcfg-ethX.Y (X is 0,1. Y is 1,2) file as follows.

- Contents of /etc/sysconfig/network-scripts/ifcfg-eth0.1

DEVICE=eth0.1
BOOTPROTO=static
BROADCAST=192.168.70.255
IPADDR=192.168.70.2
NETMASK=255.255.255.0
NETWORK=192.168.70.0
ONBOOT=yes

- Contents of /etc/sysconfig/network-scripts/ifcfg-eth0.2

DEVICE=eth0.2
BOOTPROTO=static
ONBOOT=yes

- Contents of /etc/sysconfig/network-scripts/ifcfg-eth1.1

DEVICE=eth1.1
BOOTPROTO=static
ONBOOT=yes

- Contents of /etc/sysconfig/network-scripts/ifcfg-eth1.2

DEVICE=eth1.2
BOOTPROTO=static
BROADCAST=192.168.80.255
IPADDR=192.168.80.2
NETMASK=255.255.255.0
NETWORK=192.168.80.0
ONBOOT=yes

1-4) When the system is RHEL, on the /etc/sysconfig/network file, define a statement which enables the network configuration.

NETWORKING=yes
VLAN=yes

2) Reboot

Run the following command and reboot the system. After rebooting the system, verify eth0.1 and eth1.2 is enabled using ifconfig command.

/sbin/shutdown -r now

3) Setting a subnet mask

/opt/FJSVhanet/usr/sbin/hanetmask create -i 192.168.70.0 -m 255.255.255.0
/opt/FJSVhanet/usr/sbin/hanetmask create -i 192.168.80.0 -m 255.255.255.0

4) Creating of virtual interface

/opt/FJSVhanet/usr/sbin/hanetconfig create -n sha0 -m e -i 192.168.70.2 -t eth0.1,eth1.1
/opt/FJSVhanet/usr/sbin/hanetconfig create -n sha1 -m e -i 192.168.80.2 -t eth1.2,eth0.2

Ensure that the physical IP address specified using option '-i' is the same IP address configured in /etc/sysconfig/network-scripts/ifcfg-ethX.Y.

5) Setting up the HUB monitoring function

/opt/FJSVhanet/usr/sbin/hanetpoll create -n sha0 -p 192.168.70.100 -b off
/opt/FJSVhanet/usr/sbin/hanetpoll create -n sha1 -p 192.168.80.100 -b off

6) Setting up the Standby patrol monitoring function

Please define only one Standby patrol monitoring function.

/opt/FJSVhanet/usr/sbin/hanetconfig create -n sha2 -m p -t sha0

7) Reboot

Run the following command and reboot the system.

/sbin/shutdown -r now

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