Dell PowerConnect W Clearpass 100 Software High Availability Deployment Guide
Dell PowerConnect W Clearpass 100 Software Manual
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- Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 1
Amigopod High Availability Deployment Guide - Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 2
Source Code Certain Aruba products include Open Source software code developed by third parties, including software code subject to the GNU General Public parts/labor. For more information, refer to the ARUBACARE SERVICE AND SUPPORT TERMS AND CONDITIONS. Altering this device (such as painting - Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 3
Cluster maintenance ...15 Recovering from a failure ...15 Recovering from a temporary outage 16 Recovering from a hardware failure 16 Performing scheduled maintenance 17 Destroying a cluster...18 Cluster troubleshooting ...18 Amigopod |Technical Note High Availability Deployment - Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 4
Appliance is assumed. For indepth information about the features and functions of the Amigopod appliance, refer to the Amigopod Deployment Guide. Document Overview The first section of the document explains the architecture of an Amigopod high availability system. The next section contains - Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 5
is required, the secondary node can continue to deliver an uninterrupted service to clients of the cluster. Keep-alive is the process by new guest accounts, changes to existing guest accounts, RADIUS roles, NAS servers, and RADIUS accounting information, are Availability Deployment Guide |5 - Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 6
architecture are: • The RADIUS and web server protocols (HTTP and HTTPS) are supported by the cluster. • The cluster has three IP addresses: each node has its different physical locations is not recommended and is not a supported configuration for the cluster. Operating a High Availability cluster - Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 7
every 2 seconds. If several consecutive keep-alive tests have failed, the cluster determines that a date and can continue to deliver the same network services to clients. While the primary node is online updates, such as creating new guest accounts or performing RADIUS authentication. This is Guide |7 - Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 8
web server items in Content Manager • RADIUS server configuration • Report definitions • SMS service configuration • SMTP server configuration • SMTP settings for email receipts • SNMP server the primary node is down or stopped. 8| High Availability Deployment Guide Amigopod |Technical Note - Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 9
service cluster services because the restore network service for clients instructions on recovering a cluster in this state. The secondary node has taken over the cluster services instructions service interruption. Network services instructions on recovering a cluster in this state - Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 10
problem. The cluster IP address is inaccessible and network services are unavailable. Automatic fail-over will take place after the downtime threshold has been exceeded. The cluster services are starting. Check the detailed status information. 10| High Availability Deployment Guide - Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 11
offline. Refresh your web browser to check the connection to the node. If the problem persists, check the cluster status on the other node. NOTE Technical considerations Deploying an SSL certificate each node individually. Amigopod |Technical Note High Availability Deployment Guide |11 - Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 12
the list. Use the Check for Plugin Updates link to download and install updated plugins. Cluster setup Before you begin, review updated using the Plugin Manager. Ensure that the High Availability Services plugin has been installed along with any available plugin updates Guide Amigopod |Technical Note - Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 13
Cluster Configuration form to enter the shared secret for the cluster and the IP address of the primary node. Amigopod |Technical Note High Availability Deployment Guide |13 - Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 14
initialization process, the entire contents of the RADIUS database (including guest accounts, user roles, and accounting history) and all configuration settings of the primary node will be replicated correct node as the primary node, 14| High Availability Deployment Guide Amigopod |Technical Note - Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 15
with the cluster IP address. • Operators should use the cluster's IP address when provisioning guest accounts. • Configure NAS devices to redirect visitors to the cluster's IP address for web login pages. state as before the outage. Amigopod |Technical Note High Availability Deployment Guide |15 - Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 16
some system failure modes and the corresponding cluster maintenance that is required. Failure Mode Software failure - system crash, reboot or hardware reset Power failure Network failure - following procedure to rebuild the cluster: 16| High Availability Deployment Guide Amigopod |Technical Note - Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 17
offline, the primary node will be unaffected and the cluster will continue to provide network services without interruption. When the secondary node comes back online, the cluster will be automatically rebuilt Local Status heading. Amigopod |Technical Note High Availability Deployment Guide |17 - Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 18
no longer be available when the cluster has been destroyed. Cluster troubleshooting When building a cluster, use the recommended values for the downtime a fail-over from the primary to the secondary node, the network services provided by the cluster will be unavailable. The time that the cluster - Dell PowerConnect W Clearpass 100 Software | High Availability Deployment Guide - Page 19
The Restart Cluster Services and Stop Cluster Services command links on the Cluster Maintenance page may be used to test fail-over conditions if debugging a problem related to the cluster. The log files may be exported to a zip file. If you require support about a cluster-related problem, include a
Amigopod
High Availability
Deployment Guide