Configuration

Configuring the High Availability Feature for X.25 over LLC2

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. Configure the SG package. For information on achieving remote failover

 

 

functionality, 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

 

 

cmrunpkg -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).

Chapter 3

93

Page 93
Image 93
HP CommonIO Products manual Example Remote Failover with Local Failover support

CommonIO Products specifications

HP CommonIO products, designed to enhance connectivity and interoperability across various platforms, are a significant innovation in the realm of information technology. They serve as a foundational layer in HP's offerings, bridging the gap between hardware components, software applications, and the overarching IT infrastructure.

One of the most prominent features of HP CommonIO products is their robust compatibility with a wide range of devices. This versatility allows businesses to integrate different hardware systems effortlessly, facilitating seamless communication and data exchange. The products are built with an open architecture, ensuring that they can accommodate both legacy systems and the latest technological advancements.

Another key characteristic of HP CommonIO products is their high-performance data handling capabilities. Equipped with advanced data processing technologies, these products can manage large volumes of data efficiently, ensuring minimal latency and maximum throughput. This is particularly beneficial for critical applications that require real-time processing and rapid responses.

Security is a top priority in today’s digital landscape, and HP CommonIO products come with built-in security features. They support advanced encryption protocols and secure access controls, providing a secure framework for data transmission and safeguarding sensitive information. This level of security is essential for organizations that need to comply with stringent regulatory standards.

Additionally, HP CommonIO products are characterized by their user-friendly interfaces and management tools. Administrators can easily configure and monitor the systems, gaining insights into performance metrics and potential issues. This intuitive management simplifies operations and reduces the administrative overhead associated with IT maintenance.

The products also leverage cutting-edge technologies such as virtualization and cloud adaptations, allowing organizations to scale their resources according to demand. This flexibility is crucial for businesses aiming to optimize costs while meeting varying workloads effectively.

In summary, HP CommonIO products are designed to deliver enhanced connectivity, robust performance, and security, making them essential tools for modern IT environments. Their compatibility with diverse systems, high throughput capabilities, secure frameworks, and user-friendly management tools collectively contribute to their effectiveness in supporting organizations’ operational goals. As businesses continue to evolve, HP CommonIO products remain at the forefront, enabling efficient and secure IT infrastructures.