What is ha in WLC?
They buy a Cisco WLC 5508 with built-in license for 25 access points (AIR-CT5508-25-K9) and a WLC for high availability (AIR-CT5508-HA-K9). The HA-WLC is automatically sharing the configuration and the license for 90 days from the main WLC.
How do I update my Cisco WLC ha?
Upgrade Procedure
- Use CLI/GUI to initiate the upgrade on the Active WLC in the HA setup and wait for the upgrade to finish.
- The Active WLC executes all the upgrade scripts and transfers the entire image to the Standby WLC using the Redundant Port.
Which WLC redundancy has an equal number of controllers backup each other plus backup WLC is configured as tertiary WLC?
With N+N+1 redundancy, shown in Figure 4-11, an equal number of controllers back up each other (as with N+N), plus a backup WLC is configured as the tertiary WLC for the access points. N+N+1 redundancy functions the same as N+N redundancy plus a tertiary controller that backs up the secondary controllers.
What is Cisco SSO redundancy?
SSO providesRP redundancy by establishing one of the RPs as the active processor and the other RP as the standby processor. SSO also synchronizes critical state information between the RPs so that network state information is dynamically maintained between RPs. SSO is generally used with Cisco nonstop forwarding (NSF).
What is High Availability Cisco?
Cisco High Availability (HA) enables network-wide protection by providing fast recovery from faults that may occur in any part of the network. This guide covers the aspects of High Availability that are unique to the Cisco ASR 1000 Series Routers.
How do I know what version of Cisco wireless controller I have?
If using CLI, issue the show run-config command to display the version number. You will need to hit “enter” until you see the Product Version line. To show a comprehensive view of the current Cisco Wireless LAN controller configuration, use the show run-config command.
What is SSO mode in Cisco?
The SSO HSRP feature enables the Cisco IOS HSRP subsystem software to detect that a standby RP is installed and the system is configured in SSO redundancy mode. SSO HSRP is required to preserve the forwarding path for traffic destined to the HSRP virtual IP address through an RP switchover.