(automated as well as manual) in reaction to events that cause a change in the environment (such as an AP becoming unavailable).

The master controller is also responsible for providing the configuration for any AP to complete its boot process. If the master controller becomes unavailable, the network continues to run without any interruption. However, any change in the network topology or configuration will require the availability of the master controller.

To maintain a highly redundant network, the administrator can use a controller to act as a hot standby for the master controller. The underlying protocol used is the same as in local redundancy, that is, VRRP.

Collect the following data before configuring master controller redundancy.

VLAN ID on the two Dell controllers that are on the same layer 2 network and will be used to configure VRRP.

Virtual IP address that has been reserved to be used for the VRRP instance

You can use either the WebUI or CLI to configure VRRP on the master Dell controllers (see Table 140). For this topology, the following are recommended values:

For priority: Set the master to 110; set the backup to 100 (the default value) Enable preemption

Configure master up time or master state tracking with an add value of 20.

The following is a configuration example for the “initially-preferred master”.

(host)(config) #vrrp 22 vlan 22

ip address 10.200.22.254 priority 110

preempt

authentication password description Preferred-Master tracking master-up-time 30 add 20 no shutdown

The following configuration is the corresponding VRRP configuration for the peer controller.

(host)(config) #vrrp 22 vlan 22

ip address 10.200.22.254 priority 100

preempt

authentication password description Backup-Master tracking master-up-time 30 add 20 no shutdown

Use the following commands to associate the VRRP instance with master controller redundancy.

Table 141: VRRP Commands

Command

Explanation

master-redundancy

Enter the master-redundancy context.

 

 

master-vrrp <id>

Associates a VRRP instance with master redundancy. Enter the virtual

 

router ID of the VRRP instance.

 

 

peer-ip-address <ipaddr> ipsec

Loopback IP address of the peer controller for master redundancy.

<key>

The pre-shared key secures communication between the master Dell

 

controllers. Specify a key of up to 64 characters.

 

 

480 VRRP

Dell PowerConnect W-Series ArubaOS 6.2 User Guide

Page 480
Image 480
Dell 6.2 manual Command Explanation, Enter the master-redundancy context, Router ID of the Vrrp instance

6.2 specifications

Dell 6.2 is an advanced enterprise solution that caters to the needs of businesses seeking robust performance and efficiency. As a part of Dell's commitment to innovation, the 6.2 series combines cutting-edge technologies and features that enhance productivity and deliver reliable computing experiences.

One of the standout features of the Dell 6.2 is its impressive processing power. Equipped with the latest Intel processors, it offers exceptional speed and multitasking capabilities. This allows businesses to run demanding applications effortlessly, making it ideal for data-intensive tasks such as data analysis, software development, and virtualization. The series also supports substantial RAM configurations, enabling users to manage extensive workloads without experiencing slowdowns.

In terms of storage, the Dell 6.2 line includes advanced SSD options that significantly boost data access speeds compared to traditional hard drives. This rapid access to information is vital for businesses that require quick retrieval of large datasets. Furthermore, the devices support RAID configurations, which enhances data redundancy and security, protecting critical business information from loss.

Connectivity is another critical aspect of the Dell 6.2 series. It includes multiple USB ports, HDMI outputs, and high-speed Ethernet options, ensuring that users can easily connect to various peripherals and networks. The integration of Wi-Fi 6 technology enables faster wireless connections, resulting in improved internet speeds and bandwidth efficiency, which is crucial in today’s increasingly connected workplaces.

Dell has also prioritized security in the 6.2 series. It features enhanced biometric authentication and advanced encryption methods, safeguarding sensitive data from unauthorized access. Additionally, the system's BIOS protection and automatic updates provide an added layer of security, ensuring that the device remains safe from emerging threats.

The design of the Dell 6.2 is not only sleek and modern but also built for durability. Its robust chassis is engineered to withstand the rigors of daily use, making it suitable for various business environments. This durability ensures that the investment in Dell 6.2 will last for years while maintaining performance integrity.

In summary, the Dell 6.2 series embodies a blend of speed, storage efficiency, connectivity, and security, making it a top choice for enterprises looking to enhance their computing capabilities. With its modern features and durable design, Dell 6.2 is positioned as a reliable partner in driving business success.