Note: Redundancy Management Interface cannot be an Untagged Interface. This port in case of standalone controller will be assigned an auto generated IP Address where last 2 octets are picked from the last 2 octets of Redundancy Management Interface (the first 2 octets are always 169.254). If the NTP server is not configured, a manual time sync is performed from the Active WLC to the Standby WLC on the Redundant Port. Also, in the event of a box failure, the Active WLC will send notification to the Standby WLC via the Redundant Port. The Redundancy Port is also used in order to check peer reachability sending UDP keep-alive messages every 100 msec (default timer) from the Standby WLC to the Active WLC. WLCs in a HA setup will use this port to perform HA role negotiation. Bulk configuration during boot up and incremental configuration are synced from the Active WLC to the Standby WLC using the Redundant Port. This interface has a very important role in the new HA architecture. HA Monitoring Enhancements in release 8.7 Syslog notification when Admin login on Standby HA Standby Monitoring Feature Introduction Standby WLC On-the-Fly Maintenance Mode (MTC)ĭefault Gateway Reachability Check Enhancement Peer RMI ICMP Ping Replaced with UDP Messages WiSM2 in Different Chassis: Redundancy VLAN over L2 NetworkĬonfigurable Keep-alive and Peer-Search Parameters Supported HA Topologies for WiSM2 Controllers One WLC has an Evaluation license and the other WLC has a HA SKU UDI or Permanent license One WLC has a valid AP Count license and the other WLC has a HA SKU UDIīoth the WLCs have a valid AP Count license SSO Deployment with Legacy Primary/Secondary/Tertiary HA Important Guidelines before Initiating a WLC Upgrade in HA Setup Introduction of New Interfaces for HA InteractionĬonfigure HA from the Configuration Wizard HA Connectivity Using Redundant Port on the 3504/5520/8500.
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