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Configuration

Configuring the High Availability Feature for X.25 over LLC2

Chapter 3 93

NOTE In the event of a failover, the XOL_floating_macaddr is moved from the

Primary LAN card to the standby LAN card. HP recommends that you

use the primary and standby LAN cards only for the XOL links

configured with HA feature.

Step 2. Con

figure the SG package. For information on achieving remote failover

fun

ctionality, see “XOL Package Definition” on page 89.

For remote failover with local failover support, define the XOL package

with the following changes:

• In the Start script of the package, stop the monitor if it is running.

For details, see Example 3-6 on page 90.

• In the XOL package definition, use x25HAmonitor command instead

of x25ifstate as the service command, as follows:

x25HAmonitor -c /etc/x25/x25config_llc2 -L

/etc/x25/llc2_conf_def -m

NOTE The x25HAmonitor command helps in failover of the XOL interface

between the primary and standby LAN cards (on the local system), if the

LAN card (either primary or standby) on which the XOL interface was

active fails. The x25HAmonitor exits if it is does not start the XOL

interface on the local system on either the primary or standby LAN card.

The SG does a package failover to the standby node configured in the SG

cluster.

Step

3. To start the SG package, run the following command

cmr

unpkg -v <package name>

Example 3-8 Remote Failover with Local Failover support

The following two entries must be added to the LLC2 configuration file:

standby_device lan2 # lan2 is standby LAN.

XOL_floating_macaddr 0x0060B0A4EBE5 # Unique MAC address in the subnet

The SG package file that contains the X.25 commands is

/etc./cmcluster/pkg*/control.sh file (one per XOL package).

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HP CommonIO Products Manual do Utilizador Página 93